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A selection of recently published

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Miniature Triaxial Accelerometers for Modal Analysis, 3263A Series
 
Miniature Triaxial Accelerometers for Modal Analysis, 3263A SeriesDytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the 3263A series of miniature IEPE triaxial accelerometers, with an overall weight of just 5.6 grams. Available in three sensitivities of 10, 50 and 100 mV/g, design of the Dytran 3263A series features ceramic shear sensing elements, coupled with low noise electronics and packaged in a lightweight titanium housing. The 3263A series accelerometers offer a broad frequency response with a 4-pin radial connector and an internal 4-40 thread for stud mounting. Units are hermetically sealed for reliable operation in high humidity and dirty environments. The Dytran 3263A series is ideal for use in a variety of automotive applications including modal and structural analysis, Noise, Vibration and Harshness (NVH), Squeak & Rattle, and vibration control. ...





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Miniature High Temperature Piezoelectric Accelerometer, Model 3316C
 
Miniature High Temperature Piezoelectric Accelerometer, Model 3316CDytran Instruments, Inc. a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the model 3316C, a high temperature accelerometer featuring a charge mode element mounted in a hermetically sealed, miniature Inconel® housing. Capable of operating at temperatures up to +900°F (+482°C), the Dytran model 3316C utilizes the latest in planar shear technology. In order to operate at such high temperatures, the model 3316C was designed with a unique, Dytran patented feature. Units employ a “silver window” on the top cover of the accelerometer housing, which provides oxygen access to the crystal at high temperatures while maintaining the unit’s hermetic sealing. The Dytran model 3316C weighs just 5 grams and has a height of just 0.36 inches (9.1 millimeters), making it ideal for use in even the smallest of locations. Offered with a sensitivity between 1 and 2 pC/g and with 10,000 Hz upper frequency response, the model 3316C has a 5-40 tapped hole and 10-32 radial connector (exact sensitivity is provided on the calibration certificate supplied with each sensor). ...





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PCB Piezotronics Introduces New Miniature ICP® Triaxial Accelerometer
 
Miniature ICP® Triaxial AccelerometerPCB Piezotronics, Inc., a world leader in vibration, acoustic, pressure, force, and torque sensors, announces the release of a new miniature ICP® triaxial accelerometer. Model 356A03 delivers high 10 mV/g sensitivity in a miniature 0.25" (6.3 mm) cube. The model includes a hermetic seal design with a lower noise floor and higher shock limit than competitive offerings, all at a lower price. In addition, it features a redesigned cable strain relief connection with a larger and stronger crimp tube, providing improved shear & tensile strength. The 356A03 is compatible with any ICP® signal conditioner or readout device that includes ICP® power. This model is CE certified and is a stock product. Typical applications include small component qualification, structural vibration, environmental stress screening, noise vibration and harshness, and vibration measurements with space ...





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A selection of recently published

technical articles & products:



Ultra Miniature High Temperature Accelerometer, Model 3224C
 
Ultra Miniature High Temperature Accelerometer, Model 3224CDytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the model 3224C, an ultra miniature, low profile charge mode accelerometer with sensitivity of 0.6 pC/g, designed to adhesively mount in spaces inaccessible to other types of accelerometers. The sensor features an overall height of just 0.105 inches (2.7 millimeters) and an overall weight of just 0.2 grams. Designed to reliably operate in high temperatures up to +350°F (+177°C), the Dytran model 3224C incorporates a ceramic shear sensing element packaged in a lightweight laser welded titanium housing, with a three foot integral cable terminating to a 10-32 jack. The cable is designed to mate with ...





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New Managing Director at Advanced Sensors Calibration
 
Managing Director at Advanced Sensors CalibrationAdvanced Sensors Calibration (ASC), one of the leading manufacturers of high-quality acceleration sensors, is extending its board of directors: On November 1, Renate Bay was appointed a Managing Director of ASC GmbH. In this position she is responsible for ASC's controlling, marketing and company organisation. Renate Bay (45) has been working for ASC since 2007 as Marketing and Customer Service Manager. In addition to marketing, the focus of her work used to be on company organisation. This comprised the improvement of production processes and the efficiency of the in-house production as well as expanding quality management. In her new position she is taking on the management of the marketing, the controlling and the company's organisation and will be supporting Peter Bay, primarily responsible for the areas of technology and sales, who had been the sole managing director of the company. ...





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New accelerometer from ASC specifically designed for off-shore applications
 
accelerometerAdvanced Sensors Calibration (ASC), one of the leading manufacturers of high quality accelerometers, has developed a capacitive sensor which is resistant to sea water and operates down to a depth of ten metres. This means that the ASC OS 115LN is highly suitable for offshore applications, e.g. to monitor wind turbines. It can also be used in other harsh application environments like automotive and aerospace engineering. The ASC OS 115LN is based on MEMS technology (micro-electromechanical systems), and with its robust welded stainless steel housing it complies with protection class IP68. In conjunction with its particularly resilient cable, it is suitable for permanent use in sea water. This accelerometer is also characterised by a shock resistance of 5,000 g and by its ability to work over a temperature range from -40°C to 100°C. The ASC OS 115LN has a very good signal-to-noise ratio, so it provides exact measurements even under difficult conditions. It is available as a uniaxial, biaxial or triaxial model and it tolerates an unregulated supply voltage in the range from 8 to 30 volts. It is already in use in some applications, for example to measure the stability of ship models in weather simulation tests in wave ...





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Miniature Triaxial IEPE Accelerometers for Modal Analysis, 3313A & 3313AH
 
Miniature Triaxial IEPE Accelerometers for Modal Analysis, 3313A & 3313AHDytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force and pressure transducers and associated electronics, has introduced the 3313A and 3313AH series, a family of miniature triaxial IEPE accelerometers weighing just 4 grams. The 3313A series has a robust, laser welded titanium design which includes quartz sensing elements coupled to ultra low noise JFET electronics and a broad frequency response (1.2 to 10,000 Hz). Units are offered in sensitivities of 1 mV/g, 5 mV/g and 10 mV/g, and utilize an industry standard 1/4-28 4-pin radial connector and adhesive mount. The 3313A and 3313AH are hermetically sealed for reliable operation in high humidity and dirty environments. The 3313AH series are uniquely capable of ...





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Dytran Introduces High Precision Triaxial Accelerometers for Low-to-Medium Frequency Vibration Measurements, 7503A Series
 
Dytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force and pressure transducers and associated electronics, has introduced the 7503A series, a family of high precision triaxial MEMS DC accelerometers designed for use in both commercial and military applications. The 7503A series accelerometers combine a micro-machined MEMS capacitive sensing element housed in a hermetically sealed titanium case to deliver reliable performance in harsh conditions. Tailored for zero-to-medium frequency applications, the Dytran 7503A series combine an integrated VC accelerometer chip with high drive, low impedance buffer for low-level acceleration measurements. Offered with a choice of seven different sensitivities and available in measurement ranges between 2g and 200g, these highly accurate accelerometers offer a low-end frequency response down to DC (0 Hz), with an upper frequency range between 400 and 2,500 Hz with differential output. ...


MS9000 and VS9000 accelerometers families from ±1 g to ±200 g for tilt, vibration and inertial applications
 
PEWATRON: The MS9000 family has been extended to include a sensor with a bandwidth of ±1 g. The ranges of ±1 g and ±2 g are especially suitable for inclination measurement up to ±60° and ±90° respectively. The accelerometers are unique as the result of: * very deep temperature-related hysteresis, * high zero-point stability (bias < 0.05 %), * utmost reliability, up to 6000 g shock resistance, * high temperature range -55 °C…+125 °C, * MIL-STD-833-G certification, * small ceramic LCC20 housing. The MS9000 family is particularly well suited to civil and military applications in the field of inertial navigation in the aerospace industry as well as in railway technology and platform stabilization. Accelerometers manufactured by COLIBRYS are ideal for AHRS (attitude and heading reference system) applications. The MS9000 family has a bandwidth of up to 200 Hz. Where a higher bandwidth is required, for example for measuring vibration, ...

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accelerometers, acceleration sensors,

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smartFOS A, Fiber optic accelerometer
 
OPTOcon AG: The fiber optic accelerometer smartFOS A is ideal for monitoring of industrial machines: e.g. windings, winding heads, insulated turbo generator bearings, high voltage circuit breakers, large electric motors. smartFOS A is a fiber optic accelerometer, ideal for all applications where conventional metal accelerometers are not suitable. Ideal applications include the measurement in turbo-generators, hydro generators and large electric motors. The sensor can be used in environments at temperatures of up to + 180 °C. Due to its small size and lightweight design, it is very easy to integrate into existing systems and thus a robust solution for industrial applications. The smartFOS A is equipped with a large touch screen with backlight, analog output and RS-232 interface enable real-time data acquisition. The accelerometer can be directly controlled from the screen keyboard or using the software "smartFOS TV". Here, the LED functions on the body as a status display of custom alarm settings for the frequency and amplitude. The fiber optic accelerometer can be used in electromagnetic strongly influenced environments, in microwave fields and wherever metal accelerometers are not suitable. The sensor head consists of non-conductive material and is completely non-metallic ...


Colibrys precision tilt sensor locked into high reliability platform stabilization applications
 
Colibrys (Switzerland) Ltd. has announced the release of the MS9001.D, a MEMS based tilt sensor targeted at industrial and aerospace markets for use typically in platform stabilization applications. The product has already been qualified for example in conjunction with satellite communication and scanning radar antennas, remote surveillance cameras, industrial table-tops or fire-control servo-systems. Silicon based MEMS accelerometers offer substantial advantages as precision tilt sensors in terms of size, power consumption and cost. In some specific applications precision, stability and reliability must be assured whilst operating in harsh environments. The Colibrys MEMS sensors have been demonstrated to eliminate these concerns whilst offering exceptionally high precision and linearity almost independently of the operating environment. According to Stephan Gonseth, product development manager at Colibrys, “This new product is Colibrys’ first MEMS based motion sensor designed specifically for use as a ±1g tilt, control and measurement applications. ...


Flight Test Accelerometer Utilizing Standard Aircraft On-Board Voltage, 3326A Series
 
Dytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the 3326A series of low noise accelerometers, ideally suited for use in flight testing applications. A distinguishing feature of the 3326A series is that the accelerometers are compatible with standard aircraft onboard power supplies (+20 to +32 VDC). Units are part of Dytran’s line of VDC powered instrumentation, and as such, may be compatible with existing installations from other manufacturer’s which use similar principles. Available in two different models with sensitivities of 10 mV/g and 100 mV/g, the 3326A series feature ceramic sensing elements operating in shear mode, packaged in a rugged titanium housing. Design of the 3326A series incorporate a Ľ-28 4-pin radial connector and miniature thru-hole mounting, which allows for the sensor to be turned 360 degrees prior to securing, aiding the user during sensor installation. The Dytran 3326A series weigh 10 grams, are hermetically sealed for reliable operation ...


Low-Cost Industrial Accelerometers for Machine Monitoring
 
Measurement Specialties, Inc. has just released its Model 8032-01 accelerometer to production. Specifically designed for machine monitoring applications, this rugged, low-cost device features a stainless steel housing and an integral cable with molded strain relief. The case-isolated, internally shielded 8032-01 is easily stud mounted and offers reverse wiring protection to prevent installation errors. Its ingress protection rating of IP67 encourages use in harsh environments as does its stable response over an operating temperature range of -55°C to +100°C. Performance has not been sacrificed in the search for lower cost. This device is available in a ±50 or ±500g configuration, features shock limits of 5000 ±g, non-linearity of ±1%, low warm up time <2 seconds and frequency response to 12kHz. This IEPE device uses a ceramic sensing element in compression mode and is shipped with an NIST traceable amplitude calibration at 100 Hz. The unit is designed for standard 2-10mA current excitation with ...


Miniature In-Line Charge Amplifier for High Temperature Applications, Model 4752B
 
Dytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the model 4752B, a miniature in-line charge amplifier designed for use with high temperature charge mode accelerometers. This IEPE unit is powered using constant current sources and is compatible with IEPE designated instrumentation. Charge amplifiers convert electrostatic, high impedance charge signals generated by charge generators, such as charge mode accelerometers, to lower impedance voltage mode signals that can drive longer cables with signal degradation. Model 4752B is specifically designed to operate with high temperature charge mode sensors because of its ability to tolerate very low levels of insulation resistance. This is a typical characteristic of high temperature piezoelectric accelerometers, and would force a conventional charge amplifier to shutdown. The Dytran model 4752B can accept sensors with insulation resistance as low as 100kOhms without any deterioration in performance. ...

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accelerometers, acceleration sensors,

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Miniature IEPE Accelerometers for High Frequency Vibration Applications, 3274A Series
 
Dytran Instruments, Inc., a leading manufacturer of piezoelectric and DC MEMS accelerometers, force sensors and pressure transducers and associated electronics, has introduced the 3274A series of miniature, low profile, IEPE piezoelectric accelerometers designed to mount in spaces typically inaccessible to other types of accelerometers. Available in three different models with sensitivities of 5 mV/g, 10 mV/g and 25 mV/g, the 3274A series feature a shear sensing element packaged in a lightweight, teardrop titanium housing. Units are ideal for the measurement of shock and vibration of very small, lightweight objects such as printed circuit boards and board-mounted components. Designed for adhesive mount, the Dytran 3274A series have an upper frequency response of 10,000 Hz, an overall height of just 0.24 inches and weigh 2 grams. Due to their low mass and high crystal stiffness, units have a resonant frequency of >40 kHz, allowing them to be used to measure high frequency vibration with very little error. The Dytran 3274A family of accelerometers utilizes IEEE 1451.4 Transducer Electronic Data Sheets (TEDS). This function allows the user to query individual sensors within a large array of sensors during a field test, as to model number, serial number, sensitivity and other attributes using a TEDS compatible signal conditioner/data acquisition system ...


Colibrys will be presenting its range of Capacitive MEMS Accelerometers dedicated to Drilling Applications
 
Colibrys will be presenting its range of Capacitive MEMS Accelerometers dedicated to Drilling Applications. We will be glad to welcome you to our booth #10058 at the OTC 2011 in the Reliant Arena. During these few days, we will have the opportunity to present our product the MS9001 specific to platform stabilization, downhole drilling and measurement while drilling (MWD) applications. For any further information concerning our company, please visit: http://www.colibrys.com/e/page/190/ ...


Sensor specialist ASC grows in all areas
 
Advanced Sensors Calibration (ASC), a leading manufacturer of high quality accelerometers, continues its positive development. After 2010, the most successful year in the company's history, the first quarter of 2011 as well surpassed all previous results. As a consequence, the company also strengthens its sales team. Last year, ASC saw revenue growth of 32 percent compared with 2009. This trend has continued this year: the volume of orders received in the first quarter rose by 35 per cent compared with the same period last year, and revenue was up by 25 per cent. One reason for this is the high quality of the products and services offered by ASC. This was confirmed in March by the successful completion of the certification of the quality management system ...


IMI Sensors High Temperature Accelerometer Kit for Vibration Measurement in Gas Turbines
 
IMI Sensors, a division of PCB Piezotronics, Inc., announces the worldwide launch of the company's 600B13/B14 high temperature accelerometer kits for vibration measurement in gas turbines. These high temperature accelerometer kits include a side-exit charge mode sensor, 10-foot integral hermetically sealed hard-line cable, and integral ICP® charge amplifier for multiple power generation monitoring applications, including placement on turbines, exhaust systems, and piping in extreme heat environments of +900°F/+482°C. The new shear mode sensing element of the 600B13/B14 provides significantly improved performance for dealing with transient temperature changes and spiking, a common condition in gas turbines. In addition, by incorporating an integral sensor, cable, and charge amplifier in a single high-temperature accelerometer kit, gas turbine operators have a complete measuring chain that eliminates contamination and common mode noise concerns. The integral ICP® charge amplifier allows for use with standard data acquisition equipment. IMI's 600B13/B14 kits are designed as drop-in replacements for existing accelerometers with ARINC® three-point mounting bases, and have a higher temperature range than many competing sensor types. ...


Colibrys will be presenting its full range of Capacitive MEMS Accelerometers dedicated to Energy, Mil/Aerospace and Industrial applications
 
Colibrys will be presenting its full range of Capacitive MEMS Accelerometers dedicated to Energy, Mil/Aerospace and Industrial applications. During a few days, at the Sensor + Test, we will have the opportunity to present our improved product the SF2006 a seismic ‘Class B’ MEMS accelerometer that meets USGS (US Geological Survey) requirements. For any further information concerning the SF2006 Accelerometer ...

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Silicon Designs Introduces MEMS Capacitive Sensing Modules for Automotive R&D, Crash Test and Vehicle Dynamics Testing
 
Silicon Designs, Inc. (SDI), a global industry manufacturer of highly rugged industrial-grade MEMS capacitive accelerometer chips and modules, has introduced the model A2260, a high-precision accelerometer, designed to meet a variety of automotive R&D, crash test and vehicle dynamics testing requirements such as NVH, drivetrain and powertrain testing, vehicle suspension and handling, crash event detection and airbag performance assessments. The Silicon Designs model A2260 is expressly tailored for zero-to-medium frequency applications and offers integral amplification and high-drive, low impedance buffering for precision measurements. The accelerometer produces two analog voltage outputs and features a four-wire connection, supporting both single ended and differential modes. Signal outputs are fully differential about a 2.5V common mode voltage. Sensitivity is independent from the supply voltage of +8 to +32V. At zero acceleration, the output differential voltage is nominally 0 VDC; at full scale acceleration, the output differential voltage is ±4 VDC. The sensors feature on-board voltage regulation and an internal voltage reference which eliminates precision power supply requirements. The sensor is relatively insensitive to temperature changes and thermal gradients. Self-calibration is quick and easy. Within standard range (2 to 400 g), most accelerometers ...


Colibrys SA strengthens its presence in China
 
Colibrys signed an agency agreement with NAV Technology Co., Ltd. based in Beijing, China for its MEMS accelerometers within China. Colibrys has profited from significant growth within China across many different markets these past years in particular for instrumentation and industrial applications. To support the increasing number of customers we have decided to strengthen our investment in China and increase the number of application support and sales people across the region. “NAV TECH gives us the additional support needed across the wide geographical and applications areas. Having worked with us indirectly for many years they will hit the ground running with already a strong knowledge of our products and capabilities”, stated Bahram Arbab, Sales Director for Europe and Asia within Colibrys. “ After many years cooperation with Colibrys, we are confident to increase the business opportunities for Colibrys MEMS accelerometers in China where demand for high accuracy, high reliability, safety critical motion sensors is growing rapidly “ says Ying Ke ...


Dytran Instruments piezoelectric biaxial accelerometer for aircraft vibration monitoring
 
Dytran Instruments, Inc. a leading manufacturer of piezoelectric and DC accelerometers, force and pressure transducers and associated electronics, has introduced the model 3302A, a biaxial IEPE accelerometer designed to provide dynamic vibration monitoring within Active Vibration Control (AVC) applications typically found on commercial and military aircraft. Utilizing an innovative biaxial design, the Dytran model 3302A incorporates the mounting bracket and sensing elements in a single package. This feature facilitates improved sensor performance while eliminating the costs associated with employing separate accelerometers and mounting brackets. The design also offers reduced mass as compared to conventional sensors and mounting brackets. As an IEPE sensor, the model 3302A features built-in electronics, eliminating the need for an external charge amplifier and converter. ...


Motion Sensors for Consumer & Mobile Applications, Accelerometers, gyroscopes, compass and sensor combos proliferate
 
Yole Développement: From $847M in 2009, the motion sensor market will reach $2.56B in 2015” says Laurent Robin, Market & Technology Analyst at Yole Développement. This report analyzes the motion sensor value chain and infrastructure & players for consumer business. Under this report, Yole Développement provides a deep understanding of application focus on key existing markets and most promising emerging ones: new features, technical roadmap, insight about future technology trends & challenges. This study includes market data on motion sensors for consumer & mobile products: key market metrics & dynamics. The inertial sensor market for consumer electronics is growing very quickly due to the fast adoption of accelerometers, gyroscopes and magnetometers in mobile phones, tablets, game stations and laptops….Indeed 20.3% annual growth is expected: from $847M in 2009, the motion sensor market will reach $2.56B in 2015! The MEMS accelerometer market will show very nice business opportunities in the coming years. Moreover this market will be strategic because many applications are expected to rely on 3-axis accelerometer + 3-axis gyroscope in a single package within 2015. There is thus a strong synergy between accelerometer and gyroscope technologies and players ...


Sensor Brochure for Power Generation & Reciprocating Equipment Monitoring
 
IMI Sensors, a division of PCB Piezotronics, Inc. has updated its "Sensors for Power Generation & Reciprocating Equipment Monitoring" brochure. The updated brochure highlights accelerometers and pressure sensors specifically designed for gas turbine and wind turbine monitoring, protection of reciprocating machinery and gas pipeline applications. Among the new products in the IMI Sensors brochure is model 357C90 high-temperature charge output accelerometer for gas turbine monitoring. IMI's model 357C90 provides precision vibration measurement for gas turbines operating in extreme heat environments up to +1200°F (+649°C) and includes an integral 10-foot hardline cable. The updated brochure also includes IMI's model 422M182 charge amplifier and model 495B30 differential charge amplifier used with IMI's high-temperature pressure sensors to provide 24/7 combustion dynamics monitoring of gas turbines. IMI Sensors specializes in the design and manufacture of innovative sensors and associated signal conditioning ...

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accelerometers, acceleration sensors,

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Dytran Instruments Bracket-Style Piezoelectric Accelerometer
 
Dytran Instruments, Inc. a leading manufacturer of piezoelectric and DC accelerometers, force and pressure transducers and associated electronics, has introduced the model 3091A, an IEPE accelerometer, designed for use in Health and Usage Monitoring Systems (HUMS) as well as Active Vibration Control (AVC) of commercial and military aircraft. The Dytran model 3091A is offered with a range of 500g, 100 mV/g sensitivity and an upper frequency response of 1,000 Hz (±5%). As an IEPE sensor, the model 3091A features built-in electronics, eliminating the need for an external charge amplifier and converter. Design of the model 3091A features a quartz sensing element operating in shear mode and packaged in a rugged stainless steel housing with a radial 3-pin “Mighty Mouse” connector. A distinguishing feature of the model 3091A is that the sensor element is incorporated directly into the mounting bracket, facilitating improved sensor performance while eliminating costs associated with separate mounting brackets. This distinctive design also offers reduced mass, as compared to conventional sensors ...


Digital Accelerometers
 
Spectrum Sensors & Controls, Inc. now offers digital accelerometers, formerly from Summit Instruments, in three configurations: triaxial, biaxial and uniaxial. Based on MEMS technology, these digital accelerometers are easily configurable and can be set up for each unique application, making them ideal for applications where parameters are constantly changing or unknown. All signals are digitized internally via A/D converters, resulting in a true digital signal that can be directly input into your computer. An internal temperature sensor allows for more sophisticated temperature corrections with sampling speeds up to 42,500 samples/sec/channel. Additionally, Spectrum’s digital accelerometers can be connected to a larger measurement system or used alone, with powerful software available for configuration. ...


High-Sensitivity, Miniature Triaxial K-Beam® MEMS Capacitive Accelerometer Family for Vehicle Dynamics, Structural Analysis and NVH
 
Kistler, worldwide supplier of precision sensors, systems and instrumentation for the dynamic measurement of pressure, force, torque and acceleration, has announced the launch of the Type 8395A…, a miniature, cube-shaped, high-sensitivity, low-noise triaxial MEMS capacitive accelerometer series, incorporating Kistler's own K-Beam technology. The Type 8395A… is designed to simultaneously measure acceleration and low-frequency vibration in three mutually perpendicular axes (x, y and z) within a variety of automotive, aerospace, OEM, R&D and general laboratory test applications. The Kistler Type 8395A… series is available in six different models, with measurement ranges from ±2 … ±200 g and a frequency response of 0 … 1000 Hz (5 %). The compact design provides a 0,85 inch (21,6 mm) cube footprint and incorporates a MEMS variable capacitance sensing element, consisting of a small inertial mass and flexure element sandwiched between two parallel plates. As the mass deflects under acceleration, the capacitance between the element and plates changes, which is converted to a proportional voltage by the internal analog signal conditioner. The output signal format ...


Miniature Accelerometer for Modal Analysis Testing, 3305A Series
 
Dytran Instruments, Inc. is presents a new accelerometer series designed for use in modal analysis applications. The Dytran 3305A series consists of three accelerometers, offered in sensitivities of 10 mV/g, 100 mV/g, and 500 mV/g. The 3305A series are IEPE-type piezoelectric accelerometers, and they include a ceramic shear sensing element coupled to ultra low-noise JFET electronics. Featuring an adhesive mount and industry standard 10-32 radial connector, the 3305A are hermetically sealed for reliable operation in high-humidity and dirty environments. The 3305A series are designed in a 0.40 inch cubic housing, and weigh just 3.7 grams. Contributing to the lightweight of the sensor is its robust, laser welded titanium housing, which ensures durability even when undergoing vibration testing in demanding environments such as Noise Vibration and Harshness (NVH) and hand-arm and whole body vibration monitoring. The 3305A series is similar to Dytran’s 3097A series of accelerometers. ...


ASC supplies safety sensors for the new ICE generation from Siemens
 
ASC GmbH (Advanced Sensors Calibration), one of the leading manufacturers of high-quality acceleration sensors, has developed tailor-made sensors for Siemens Mobility for the new Velaro-D high speed trains. They are used at the bogies within the scope of a new monitoring system. Under this contract, ASC is also responsible for the logistics, testing and assembling as well as certification of the sensors, which are then delivered to Siemens. Siemens Mobility uses an innovative system in the new ICE trains, which are expected to be taken into operation at the end of 2011, which monitors the wear and tear of bearings, axles, brakes and wheels as well as stability of the bogie. With this it contributes to the driving safety as well as passenger comfort and helps to reduce maintenance costs through faster localization of defects and adjustment of maintenance intervals to the real wear and tear. For controlling the oscillations of the bogie, the sensors designed by ASC are directly attached to the bogies. These are acceleration sensors of a low frequency, which already work from zero hertz and are based on MEMS technology (microelectromechanical systems). ...

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High-Sensitivity, Single Axis K-Beam® MEMS Capacitive Accelerometer for Structural Analysis and NVH
 
Kistler, worldwide supplier of precision sensors, systems and instrumentation for the dynamic measurement of pressure, force, torque and acceleration, has introduced the Type 8315A…, a high-sensitivity, low-noise single axis MEMS capacitive accelerometer series. Incorporating the company's own K-Beam technology, the Type 8315A… is designed to measure acceleration and low-frequency vibration in the primary sensing axis within a variety of automotive, aerospace, OEM, R&D and general laboratory test applications. The Kistler Type 8315A… series is available in six different models, with measurement ranges from ±2 … ±200 g and a frequency response of 0 … 1 000 Hz (5 %). The compact design provides a 1-inch (25,4 mm) footprint and incorporates a MEMS variable capacitance sensing element, consisting of a small inertial mass and flexure element sand-wiched between two parallel plates. As the mass deflects under acceleration, the capacitance between the element and plates changes, which is converted to a proportional voltage by the internal analog signal conditioner. ...


New Generation of Triaxial PiezoBeam® Accelerometer
 
The Kistler Group has announced the global market launch of Kistler Type 8688A(x), a cost effective triaxial PiezoBeam accelerometer with very wide mounting flexibility, designed for accurate measurement frequency events from 0,5 up to 5 000 Hz. Available in three different ranges for 5, 10 and 50 g, the Kistler Type 8688A(x) incorporates a bimorph piezoceramic sensing element, with internal Piezotron® charge converter matching most current front end systems with constant current line drive capability. Patented methods are used to thermally compensate the sensing element. Kistler Type 8688A(x) also offers TEDS IEEE1451.4 capability as an option to simplify the daily measurement work. Excellent low noise and low interference offer a very high resolution up to 140 µg. This three axis accelerometer with cube shape titanium housing is hermetically sealed and allows various mounting technologies, like attaching to the test surface with any available side with wax, adhesive, and tape. In addition, clip and stud technology are available as the sensor has a 10-32UNF threaded hole. ...


Ultra Miniature Triaxial Accelerometer
 
Dytran Instruments, Inc. is pleased to announce the release of the 3343A series, which are triaxial IEPE-type accelerometers that weigh just 2.4 grams. The 3343A series was designed for use in modal analysis and Environmental Stress Screening (ESS) applications, as well as other vibration applications where small size and lightweight is essential. The 3343A series is constructed using an exclusive, Dytran designed 4-pin radial connector. Compared to the industry standard connector (1/4-28 thread size), the connector on the 3343A series is approximately 20% smaller in size. This substantial size difference allows for a more flexible, lighter-weight cable, a smaller diameter for the connector, and also contributes to the smaller size of the sensor itself. ...


Accelerometer for Aircraft Vibration Monitoring, Model 3309A
 
Dytran Instruments, Inc. has released a new piezoelectric accelerometer designed for vibration monitoring on both commercial and military aircraft. Model 3309A is a ring-style charge mode accelerometer, and is capable of operating at temperatures up to +482°F (+250°C). The ability of the 3309A to operate under high temperatures, coupled with a high natural frequency, makes this unit ideal for engine vibration monitoring and various types of high-performance engine analysis. Model 3309A is offered with a sensitivity of 5 pC/g and utilizes quartz, shear technology. It is hermetically sealed for reliable operation within high-humidity and dirty environments, as well as case-isolated to avoid annoying ground loop interference. Case ground isolation is achieved by internally isolating the accelerometer element from the outer housing. This accelerometer features a radial 3-pin “Mighty Mouse” connector, as well as a miniature through-hole design ...


Miniature Through-Hole Accelerometer for High Temperature Aircraft Vibration Monitoring, Model 3311A
 
Dytran Instruments, Inc. has released a new miniature accelerometer designed for vibration monitoring of military and commercial aircraft, as well as automotive and Environmental Stress Screening (ESS) applications. Operational to +320°F (+160°C), model 3311A is a high-temperature IEPE accelerometer that utilizes a unique sensing element to ensure greater temperature stability over a wider temperature range. It is offered with a sensitivity of 50 mV/g, and features a lightweight titanium housing, 5-44 radial connector, base isolation and hermetic sealing for reliable operation in high-humidity and dirty environments. Model 3311A has a miniature ring-style configuration, which allows for the sensor to be turned 360 degrees prior to securing, aiding the user during sensor installation. ...

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vibration sensor, vibration switches


Analog Accelerometers
 
Spectrum Sensors & Controls, Inc.’s analog accelerometers, formerly from Summit Instruments, help you get the data you need, whether integrating multiple accelerometers into a larger measurement system or making a few measurements with a single accelerometer. Available in three configurations (triaxial, biaxial and uniaxial), these rugged analog accelerometers measure accelerations to ±100g, along with internal temperature. These devices utilize silicon capacitive mass MEMS technology and feature a small package of approximately one cubic inch. In addition, our 50-point calibration provides NIST traceable results. If sensor alignment is critical to your application, Triaxial Analog Accelerometers are available that guarantee alignment to within ±0.75° of ideal (±0.15° typical) on each axis. All Spectrum analog accelerometers are configured at the factory to your requirements, ensuring that you get exactly what you need for your application. Custom requests, such as analog accelerometers with ...


Silicon Designs at Automotive Testing Expo North America 2010
 
Silicon Designs, Inc., a global industry supplier of highly rugged industrial-grade MEMS capacitive accelerometer chips and modules with integral amplification, today announced its plans to exhibit at the Automotive Testing Expo North America, October 26-28, 2010, at the Rock Financial Showplace in Novi, Michigan, USA. On display at booth 10016 will be the company’s range of high-reliability accelerometers for zero-to-medium frequency automotive OEM and test and measurement requirements, including crash event detection, racecar instrumentation and general purpose laboratory testing. Silicon Designs accelerometers are available in measurement ranges from 2 to 20K g and can operate in temperatures up to +175°C. On-board voltage regulation and an internal voltage reference minimize temperature and voltage changes while eliminating additional external power regulation. Carefully regulated manufacturing processes ensure that each sensor ...


Analog Rate Gyros – Angular Rate Sensors
 
Spectrum Sensors & Controls, Inc.’s analog rate gyros, formerly offered by Summit Instruments, are available in triaxial and uniaxial configurations. These gyros supply reliable, accurate measurements built to customer specifications, offering the exact configuration for your measurements. Rate measurement ranges start from ±50°/sec to ±1200°/sec, depending on the model. All models feature a wide 100 Hz bandwidth, and are packaged in precision-machined rugged aluminum housings designed to operate in the -40°C to +85°C temperature range. The DC-coupled output is fully scaled, referenced, and temperature compensated, making Spectrum’s rate gyros suitable for extreme environments. Custom rate gyros are available if your application requires other operating parameters. ...


Inertial Measurement Systems
 
Spectrum Sensors & Controls, Inc.’s inertial measurement systems, formerly from Summit Instruments, include complete six degrees of freedom as well as telemetry kits: instrumentation, sensors, power, and transmitter in a small, rugged package. Spectrum offers three models of inertial measurement systems: 65210E (Extended), 65210A (Standard) 65210ES (Standard, smaller size). Each measurement system provides complete solutions for stores separation and compatibility testing, including various aircraft tests such as Aircraft Stores Separation Test and Captive Carry Testing. All systems are completely self-contained and require no power from the aircraft undergoing testing. The systems are easy-to-use and can be installed and configured in less than 20 minutes. With configurable sensor parameters and telemetry settings, these flexible instruments allow for quick and easy changes. Spectrum’s inertial measurement systems can also be tailored to meet specific requirements. ...


Miniature Accelerometer for High Temperature Automotive and Aerospace Vibration Measurements, 3221C Series
 
Dytran Instruments is pleased to announce the release of a new family of charge mode accelerometers designed specifically for high temperature vibration measurements of small structures. The 3221C series are ideal for automotive and aerospace applications, including flight testing and engine vibration monitoring, as well as Environmental Stress Screening (ESS) and general purpose high temperature applications. The 3221C series are hermetically sealed using laser welds and a ceramic-to-metal sealed connector, as well as base-isolated to avoid annoying ground loop interference. Offered with a high charge output (available in 5pC/g and 10pC/g sensitivities), the 3221C series contain a piezoceramic annular shear mode accelerometer element mounted in a stainless steel housing. This type of sensing element is used in order to achieve the high resonant frequency that the 3221C exhibits (>40 kHz). These miniature accelerometers utilize ...

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Triaxial Accelerometer with TEDS for Modal Analysis & ESS Applications 3363AT Series
 
Dytran Instruments, Inc. is pleased to introduce a new series of miniature triaxial accelerometers design for modal analysis testing and Environmental Stress Screening (ESS) applications. The 3363AT series are IEPE-type piezoelectric sensors, that feature IEEE 1451.4 TEDS capability. These IEPE-type piezoelectric sensors have a robust, laser welded titanium design which includes ceramic sensing elements coupled to ultra low noise JFET electronics. With a low end frequency response -5% down to 0.3 Hz, the 3363AT series accelerometer offers excellent phase response at low frequencies. They also feature an excellent signal to noise ratio. The 3363AT series are available in sensitivities of 10mV/g, 50mV/g and 100mV/g. They have a 10-32 stud mount, 4-pin radial connector and are hermetically sealed for normal operation in high-humidity and dirty environments. The housing of the 3363AT is titanium which contributes to their lightweight of just 4.3 grams ...


Colibrys MEMS accelerometers qualified by Siemens Mobility for high speed trains
 
Siemens Mobility and Colibrys announced that Colibrys’ MEMS accelerometers have been successfully qualified for the latest generation of German ICE high speed trains. The Velaro D train is the fourth generation of interoperable high-speed trains made by Siemens using distributed traction and the first integrating innovative bogie monitoring systems. Future train systems are looking to reduce maintenance costs, facilitate repair planning whilst at the same time improving passenger and driver safety and comfort. Siemens has developed a bogie monitoring system that detects wear within bearings, shafts, brakes or wheels and identifies any potential bogie instability that could provoke an accident. This is the first bogie monitoring system designed and manufactured ever by Siemens Mobility. This highly innovative bogie monitoring system uses 24 sensors per wagon and some 200 sensors per train. The first three trains will be produced in 2010 for final system qualification in 2011. The system represents the latest state of the art safety monitoring using a combination of DC low frequency MEMS based vibration sensors coupled with high frequency Piezo sensors. These two types of sensors are mounted on the bogie and axle to measure wheel, axel, bearing condition and wear. The adoption of Colibrys products, confirms that MEMS accelerometers can work in the harshest of environments and that Colibrys continues to be regarded as the world’s leading supplier of accelerometers in ...


Silicon Designs Awarded U.S. General Services Administration Contract
 
Silicon Designs, Inc. (SDI), a global industry supplier of highly rugged industrial-grade MEMS capacitive accelerometer chips and modules for OEM and test and measurement applications, has announced the availability of more than 300 product models at discounted rates to U.S. government customers under a recently awarded U.S. General Services Administration (GSA) schedule contract. GSA Schedules, also referred to as Multiple Award Schedules and Federal Supply Schedules, establish long-term U.S. government wide contracts with commercial firms, providing employees with fast, flexible, cost-effective access to more than 11 million commercial products and services at volume discount pricing. Based outside of Seattle, Washington, USA, SDI specializes in the design, development and manufacture of high-reliability accelerometers with integrated amplification for zero-to-medium frequency applications. On-board voltage regulation and an internal voltage reference minimize temperature and voltage changes while eliminating additional external power regulation. Carefully regulated manufacturing processes ensure that each sensor is made to be virtually identical ...


IMI Sensors Announces ATEX Approval of Series 686B Smart Vibration Switch for Use in Hazardous Areas
 
IMI Sensors, a division of PCB Piezotronics, Inc., today announced ATEX approval of the company’s Series 686B USB Programmable Smart Vibration Switch, designed for 24/7 continuous protection of cooling towers, fin fans, pumps, HVAC systems, and other critical machinery operated in hazardous areas. Meeting ATEX and CSA approval requirements for use in hazardous environments, the Series 686B is hermetically sealed and mounts with a single stud like a sensor. This Smart Vibration Switch includes an embedded piezoelectric accelerometer for accurate measurement, monitors vibration velocity for more consistent results, and provides the reliability not found in mechanical switches. Series 686B also offers a remote reset capability and USB programmable threshold and time delays to avoid false trips. The Series 686B is highly versatile, fully user programmable via USB, low cost, and a drop-in replacement for most popular mechanical vibration switches, since it only requires two wires and can replace legacy switches without the need for additional cable runs. In addition to being a more reliable device than mechanical vibration switches, the Series 686B is also a significantly lower cost alternative for many electronic vibration switch applications requiring single relay operation. ...


Miniature Teardrop High Temperature Accelerometer, Model 3310A
 
Dytran Instruments, Inc. has introduced a new high-temperature sensor, model 3310A, which is a low-profile, charge mode accelerometer that was designed for use in Environmental Stress Screening (ESS) and mechanical shock testing applications where size and temperature range are critical. Model 3310A weighs just 1.8 grams and has an upper temperature range of +500°F (+260°C), making it unique in both size and operating temperature. The 3310A utilizes a Lithium Niobate (LiNbO3) sensing element, which ensures greater temperature stability over a wider temperature range. Designed in a lightweight titanium packaging, model 3310A also features a miniature teardrop design, base isolation and hermetic sealing for reliable operation in high-humidity environments. ...

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accelerometers, acceleration sensors,

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Variable Capacitance Accelerometers with Piezoresistive Electrical Interface, 7600B Series
 
Dytran Instruments is pleased to introduce a new technology of high performance, variable capacitance (VC) accelerometers. The 7600B series is a family of DC response accelerometers which were designed to directly replace piezoresistive units in new or existing applications. The 7600B series accelerometers utilize a capacitive sensing element and an advanced ASIC to simulate the operation of a piezoresistive bridge. It combines an integrated VC accelerometer chip with high drive, low impedance buffering for measuring acceleration in aerospace, automotive, commercial and industrial environments. These accelerometers are tailored for zero to medium frequency instrumentation applications. The module contains a hermetically sealed micro-machined capacitive sensing element, a custom integrated circuit amplifier, and differential output stages. ...


MEMS Sensors and Structural Health Monitoring System successfully deployed in Chilean earthquake zone
 
Digitexx Inc and Colibrys SA announced the successful results of an innovative mobile Structural Health Monitoring system deployed since March in a newly constructed building in Vina del Mar, Chile. The system has 16 Colibrys MEMS based accelerometers embedded throughout the building to monitor the integrity of the building structure during ongoing construction these past months. The Digitexx PDAQ (Portable Data Acquisition System) is an all-inclusive, fully-portable, battery or AC power operated 16 channel system with integrated hardware and software to measure, record, broadcast and analyze building dynamic response. The system is used for Structural Health Monitoring. Real-time streaming acceleration data is provided both locally as well as remotely via a proprietary Client Software transmitted via the Internet. When an event happens, such as an earthquake or an aftershock, and any pre-set thresholds are surpassed, an email alert goes out. To date the system has recorded 100’s of aftershocks. Digitexx was invited by EERI (Earthquake Engineering Research Institute) to participate on the Instrumentation Team of the Earthquake Reconnaissance in ...


Silicon Designs  Low Cost Universal Triaxial Capacitive Accelerometer Modules
 
Silicon Designs, Inc. (SDI) (www.SiliconDesigns.com), an international industry supplier of highly rugged industrial-grade capacitive MEMS-based accelerometer chips and modules, has announced the global market launch of the SDI 2460 series, a new family of easy-to-use universal triaxial capacitive accelerometer modules. Available in eight different g-ranges, these lower-cost sensors are designed to provide high-precision shock, vibration and acceleration measurement in three orthogonal directions across a broad range of automotive, aerospace, industrial, power generation, and test and measurement applications. The SDI 2460 series combines three orthogonally mounted accelerometers in an epoxy sealed anodized aluminum case and is the triaxial version of the 2260, the company’s best-selling single axis model. SDI’s 100% in-house manufacturing and intense testing processes, along with the incorporation of additive micro machining and integrated circuit technology, produce a highly reliable and rugged capacitive sensor tailored for zero-to-medium frequency instrumentation applications  ...


New Generation of PiezoBeam® IEPE Accelerometer
 
The Kistler Group has announced the global market launch of Kistler Type 8640A(x), a cost effective uniaxial PiezoBeam accelerometer with very wide mounting flexibility, designed for accurate measurement frequency events from 0,5 up to 5 000 Hz. Available in three different ranges for 5, 10 and 50 g, the Kistler Type 8640A(x) incorporates a bimorph piezoceramic sensing element, with internal Piezotron® charge converter matching most current front end systems with constant current line drive capability. Patented methods are used to thermally compensate the sensing element. Kistler Type 8640A(x) also offers TEDS IEEE1451.4 capability as an option to simplify the daily measurement work. Excellent low noise and low interference offer a very high resolution up to 140 µg. This single axis accelerometer with cube shape titanium housing is hermetically sealed and allows various mounting technologies, like attaching to the test surface with any available side with wax, adhesive, tape. In addition clip and stud technology are available as the sensor has a 5-40UNC threaded hole. With its exceptional bandwidth, phase accuracy and shock survivability, the Kistler Type 8640A(x) is ideal for use in SIMO or MIMO modal analysis, in operational modal analysis or seismic monitoring applications ...


Miniature Triaxial IEPE Accelerometers, 3313A & 3313AH Series
 
Dytran Instruments has designed another series of miniature triaxial accelerometers, the 3313A and 3313AH series. These units are triaxial in configuration yet weigh just 4.1 grams. The 3313A features integral electronics (IEPE) and has a frequency range of 1.2 to 10,000 Hz, making them an ideal solution for a variety of test and measurement applications. They are fully welded in a titanium housing and hermetically sealed, with a Ľ-28 4-pin connector and 10-32 stud mount. These sensors are available in three ranges, between 500g and 5,000g. The 3313A operates at temperatures up to +250°F (+121°C). The 3313AH series is a higher temperature accelerometer, and can operate at temperatures up to +325°F (+162°C). The 3313AH performs reliably in a variety of applications where higher than ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


PiezoStar® Small Cube IEPE Accelerometer
 
The Kistler Group has announced the global market launch of Kistler Type 8766A(x), a triaxial PiezoStar accelerometer in a very small cube with 3,7 g mass, designed for accurate measurement of frequency events from 0,5 … 10 000 Hz. The extremely low thermal sensitivity shift of –0,005 %/K allows use under changing temperature regime with high precision. The extremely stiff PiezoStar crystal sensing element provides a flat frequency response with no slope over the entire usable frequency range in contrast to soft piezo-electrics, which improves acceleration level measurement tremendously. It is one of the only accelerometers with 3 different mounting thread holes in each axis for flexible mounting capability and frequency response calibration without any adapter in a tight back-to-back calibration. Available now in 250 and 500 g range, the Kistler Type 8766A… incorporates a shear loaded piezoelectric PiezoStar crystal sensing element, with internal Piezotron® charge converter matching most current front end ...


Ultra Low Noise Miniature Triaxial Accelerometers, 3363A Series
 
Dytran Instruments has just released a family of miniature triaxial accelerometers designed for modal analysis testing. The 3363A series are IEPE-type piezoelectric sensors and feature a robust, laser welded titanium design which includes ceramic sensing elements coupled to ultra low noise JFET electronics. With a low end frequency response of -5% down to 0.3 Hz, the 3363A series accelerometer offers excellent phase response at low frequencies. They also feature an excellent signal to noise ratio. The 3363A series accelerometers are available in sensitivities of 10mV/g, 50mV/g and 100mV/g. They have a 10-32 stud mount, 4-pin radial connector and are hermetically sealed for normal operation in moist and dirty environments. The housing of the 3363A is titanium, which contributes to their lightweight. Designed for modal analysis, the 3363A is also ideal for the following applications: general triaxial vibration measurements, shaker control, Squeak & Rattle, and Noise Vibration and Harshness (NVH). This family of accelerometers ...


Multichannel Charge Amplifier Enhances Precision and Flexibility in Laboratory Applications
 
Kistler: Extremely accurate measurement of physical quantities in laboratory applications requires precise signal amplification. The new, modular high-end multichannel charge amplifier Type 5080A… from Kistler is designed to cater to a whole variety of tasks with these requirements. For example, it amplifies the signals from piezoelectric sensors for multicomponent force measurement. This makes this innovative amplifier ideal for applications such as recording the minute forces encountered in micromachining. As the successor to charge amplifier Types 5017 and 5019, new Type 5080A… is intended for mounting in 19" racks. Its modular design allows expansion to eight amplifier modules at any time. It can accommodate both charge modules for piezoelectric sensors and dual-mode modules with charge/Piezotron® input. This enables acquisition of not only force signals but also signals from sensors measuring pressure, torque or acceleration sensors. This possibility of combining charge and dual-model modules in the rack permits recording of, for instance, force and acceleration sensor signals with the same unit. ...


Miniature In-Line Charge Amplifiers, 4705M Series
 
Dytran Instruments has recently expanded their line of miniature in-line charge amplifiers. The 4705M series represents a family of four charge amplifiers, with fixed sensitivities between 0.5 and 50 mV/pC. They feature 10-32 input jacks and BNC output jacks. The 4705M series are in-line and housed in a miniature, stainless steel package. They were designed with similar characteristics to the 4705A series, except there is no filtering in these charge amplifiers. Also, the 4705M have a 0.5 second discharge time constant which improves the low end frequency response. The 4705A features a BNC input connector, compared to the 10-32 input connector of the 4705M. In-line charge amplifiers are designed to be used in a Hybrid System, which combines charge mode accelerometers, miniature in-line fixed sensitivity charge amplifiers, and an IEPE power unit. They are ideal for field use because of their small size and rugged construction. Charge mode sensors require charge amplifiers, such as the 4705M and 4705A, to convert their output signals to useful voltage levels. The charge amplifier is placed between the charge mode sensor ...


Colibrys (Switzerland) Ltd signed a distribution agreement with PEWATRON AG for their motion sensors
 
Colibrys signs PEWATRON as distributor for its standard motion sensors in Switzerland and custom products world-wide. Colibrys’ partnership with PEWATRON will strengthen its presence and level of sales support throughout Switzerland and world-wide for customer specific products. This collaboration will increase visibility and business potential of both companies in the Mil/Aerospace, Industrial and Instrumentation markets. "The contract with PEWATRON has come about as a direct consequence of an increasing demand from a broad range of applications for our family of inertial accelerometers, precision tilt, vibration and seismic sensors. Customers working in harsh environment, precision and safety critical applications demand an ever higher level of support to optimize integration into their systems. PEWATRON provides the knowledgeable application specific support required for these ranges of products along with a strong regional presence and long standing reputation for excellent after-sales support” said Jean-Michel Stauffer, VP Sales & Marketing from Colibrys. “Our partnership with Colibrys provides PEWATRON the opportunity to offer our customers access to some of the best MEMS motion sensors ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


High Frequency Accelerometer for Rotor Track and Balance, Model 3237A2
 
Dytran Instruments has recently expanded their line of airborne accelerometers, designed for use in Health and Usage Monitoring Systems (HUMS) as well as Rotor Track and Balance (RTB) applications typically found on commercial and military aircraft. The Dytran model 3237A2 is a new model of IEPE-type accelerometers and is offered with a sensitivity of 25 mV/g. For rotor track & balance, the model 3237A2 features an axial military 3-pin D38999 connector and Ľ-28 stud mount. With an upper frequency response of 20,000 Hz (+15%), model 3237A2 is ideal for use in helicopter structural health monitoring applications, as well as for use within aircraft locations which are typically subjected to higher ...


Kistler Instrument Corporation Type 8688A IEPE Triaxial TEDS Accelerometer with Industry-Exclusive, Patented Low Mass Design
 
Kistler Instrument Corporation, a worldwide supplier of precision sensors, systems and instrumentation for the dynamic measurement of pressure, force, torque and acceleration, has announced the debut of Type 8688A, a globally patented (U.S. patent number 12,088,325) series of low-cost high-sensitivity IEPE triaxial accelerometers, with optional TEDS, designed to simultaneously measure vibration in three orthogonal axes. Available in ranges of ±5g, ±10g and ±50g, with choice of 100, 500 or 1000 mV/g sensitivities, the Type 8688A IEPE triaxial range incorporates Kistler PiezoBeam® technology, with an integral ceramic cantilevered beam, enclosed within a lightweight (less than 6.7 grams for 1000 mV/g), robust, welded titanium housing. Sensing elements are designed to provide outstanding amplitude and phase response over a wide frequency range and are temperature compensated using Kistler’s own patented methods. Type 8688A sensors feature an integral low-noise charge amplifier that converts the charge signal to a proportional high level voltage signal, at an output impedance of less than 500 ohms. Units are ground isolated when mounted with a mounting clip or adhesive mounting adapter. Type 8688A triaxial accelerometers offer  ...


Colibrys expands its accelerometer product line for advanced drilling applications
 
Colibrys (Switzerland) Ltd. has announced today the release of the MS9001.D, a ±1g MEMS tilt sensor, to complement its existing family of MEMS accelerometers for down borehole and directional drilling applications. MEMS accelerometers are already extensively used in many drilling applications such as MWD (Measurement While Drilling), LWD (Logging While Drilling) or HDD (Horizontal Directional Drilling) where reliability under harsh environment, high stability and low power are required. According to Jean-Michel Stauffer, VP Sales & Marketing at Colibrys, “The MS9001.D is one of the missing elements in our armoury of accelerometers for drilling applications. This new ±1g product offers the best performances in term of long term stability and precision of the measurement for down borehole precise tilt measurements. With this product we are able to offer the full range of down-bore hole products for drilling applications, helping our customers to buy all its requirements from a single source. and confirming Colibrys position as a leading supplier of MEMS accelerometers for drilling applications”. ...


Ultra High Sensitivity IEPE Accelerometer with TEDS, Model 3100D24T
 
Dytran Instruments has just released a new IEPE accelerometer with TEDS. Model 3100D24T is a rugged, ultra high sensitivity accelerometer, and contains a ceramic shear mode sensing element. With a sensitivity of 1000 mV/g, this unit is ideal for low g applications. Model 3100D24T is constructed using 300 series stainless steel, and has a 10-32 radial connector and 10-32 mounting hole. It features a case isolated design to avoid annoying ground loops and hermetic sealing for normal operation in moist and dirty environments. Because of its ultra high sensitivity, the 3100D24T is ideal when high output is needed, such as during the testing of large structures such as bridges, floors and foundations. Its compact 5/8 inch hex housing allows for general purpose use in almost any location. The 3100D24T accelerometer is offered with IEEE 1451.4 TEDS ...


PCB Piezotronics, Inc. ICP® Accelerometer, Designed for High Random Vibration Shaker Testing
 
PCB Piezotronics, Inc., a world leader in vibration, acoustic, pressure, force, and torque sensors, is pleased to announce Model 352B70, the newest sensor in the family of accelerometers designed for extreme testing found only in shaker labs. PCB has worked closely with shaker labs around the world developing accelerometers specifically designed to withstand this demanding application. PCB Model 352B70 has a ± 5000g measurement range to accommodate the varying amplitudes experienced during high random vibration test profiles; a built-in 2 pole low pass filter to help reduce the possibility of saturation due to the presence of high frequency energy that may be present above your frequency band of interest; and is hermetically sealed in a titanium housing to ensure survivability in harsh environments. The robust sensor is also electrically isolated to prevent unwanted electrical interference or ground loops, and has a low mass design weighing in at only 4.3 grams. Supplied with mounting studs and an adhesive base allows for a variety of mounting capabilities. PCB Piezotronics, Inc. is a global leader in the design and manufacture of force, torque, load, strain, pressure, acoustic and vibration sensors ...

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Low Cost Industrial Grade LCC and JLCC Accelerometers
 
Silicon Designs' LCC and JLCC accelerometers are rugged, easy-to-use sensors for measuring shock and vibration. The low cost, industrial grade 1010, 1210, and 1221 accelerometers have low impedance outputs and are ideally suited for zero to medium frequency instrumentation applications. Each miniature, hermetically sealed package combines a micro-machined capacitive sense element, a custom integrated circuit, and a sense amplifier. The 1010 includes a sigma-delta A/D converter while the 1210 and 1221 have a sense amplifier and differential output stage. All three models are relatively insensitive to temperature changes and gradients. Each device is marked with a serial number on its bottom surface for traceability. An optional calibration test sheet is also available which lists the measured bias, scale factor, linearity, operating current and frequency response. The 2g version of the 1221 is ideally suited for seismic applications. As opposed to other technologies at the 2 g level, the 1221 is very durable. SDI’s technology is scalable and flexible which allows for a large selection of g ranges while also functioning over a wide bandwidth. Models 1210 and 1221 produce two analog output voltages which vary with acceleration. ...


Model 2260 - Analog Accelerometer Module
 
Silicon Designs, Inc.: The 2260 combines durability, quality, and a user-friendly design in a low-cost single axis accelerometer module for measuring shock and vibration in a wide variety of applications. The 2260 features an integrated model 1221L accelerometer with high drive, low impedance buffering for measuring acceleration in commercial/industrial environments. It is tailored for zero to medium frequency instrumentation applications. The 2260 features a 1221L accelerometer in a rugged case for measuring accelerations in commercial/industrial environments. This module is tailored for zero to medium frequency instrumentation applications. Its anodized aluminum case is epoxy sealed and is easily mounted via two #4 (or M3) screws. On-board voltage regulation and an internal voltage reference eliminate the need for precision power supplies. It is relatively insensitive to temperature changes and thermal gradients. The cable's shield is electrically connected to the case while the ground (GND) wire is isolated from the case. An optional initial calibration sheet (2260-CAL) and annual calibration are also available. * Accurate, Easy-to-Use Alternative to Piezoresistive Accelerometers ...


Portable Vibration Meter, Model 4190
 
Dytran Instruments has released a new portable vibration meter, which is an excellent tool for field testing accelerometers. The model 4190 can be used in conjunction with a hand-held shaker for sensor validation. The model 4190 converts the vibration signal from a 10 mV/g or 100 mV/g IEPE accelerometer to the PEAK value of the vibration signals generated by these sensors. It has a built in power supply that provides 2 mA of current at +18 VDC compliance to operate either a 10 mV/g or 100 mV/g IEPE accelerometer. Two rotary switches allow the user to select between a 10 mV/g and 100 mV/g accelerometer input and full scale ranges of 2g, 20g and 50g. The 4190 features a large digital front panel meter, a bias test switch to verify proper accelerometer operation, and an output jack for monitoring the output signal of the accelerometer with ...


High Temperature Differential Accelerometers, 3235C Series
 
Dytran Instruments has recently developed a new series of differential output charge mode accelerometers. The 3235C series are high temperature, high sensitivity charge output accelerometers designed to measure vibration of surfaces at temperatures up to +500°F (+287°C). These units are unique in that they feature high charge sensitivity while also offering a balanced differential output. The 3235C series are available in three versions, which differ only in sensitivity: 50 pC/g (3235C1), 100 pC/g (3235C2) and 200 pC/g (3235C3). Featuring a transverse mounted glass-to-metal sealed 2-pin connector and an industry standard 3-bolt mount, as well as being packaged in a hermetically sealed Inconel housing, the 3235C series are ideal for turbine engine vibration measurements and industrial monitoring in high temperature environments. The 4190 features a large digital front panel meter, a bias test switch to verify proper accelerometer operation, and an output jack for monitoring the output signal of the accelerometer with ...


Silicon Designs Unveils High Performance Low Noise Version of Universal Tri-Axial Accelerometer
 
Silicon Designs, Inc. presents its new model 2470 triaxial accelerometer module. The 2470 combines the universal flexibility of the widely popular 2460 and the higher performance abilities of the 2440 into one low cost module. This makes the 2470 user friendly and suitable for a diverse range of applications, but also ideal for projects that demand precision over a large spectrum of conditions. The 2470 module is tailored for zero to medium frequency instrumentation applications with a rugged anodized aluminum case and three orthogonally mounted model 1221L accelerometers. The 2470 responds to DC and AC acceleration, operates from -55 to +110°C, with ranges available from ± 2 to ± 200 g full scale acceleration. It supports +8 to +32V DC power, yet maintains low power consumption. Low impedance outputs (±4V Differential or 0.5V to 4.5V Single Ended) will drive up to 15 meters of cable. On-board voltage regulation and an internal voltage reference eliminate the need for precision power supplies. ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


Silicon Designs Announces New Low-Cost Universal Triaxial Accelerometer
 
Silicon Designs, Inc. announces a new triaxial accelerometer that meets the market’s needs for a rugged, easy-to use tool for measuring shock and vibration. This universal module goes against the industry norm of specialization and instead will work in a wide variety of applications, saving valuable time and money for customers. Silicon Designs, Inc. (SDI) just released its new 2460 triaxial capacitive accelerometer, a major improvement on existing technology. This new model has an Anodized Aluminum Case with an integrated amplifier, full-scale ranges from 2 to 400g’s, -40 to +85°C operating temperature ranges, and weighs in at only 30 grams. It has a differential output that can drive up to 15 meters of cable, it can accept +8 to +32V DC power, and it responds to DC and AC acceleration. The 2460 really stands out from competing products economically by costing over 10% less while delivering better performance under an enormous range of applications. Most companies design accelerometers for ...


Ultra Low Noise Triaxial Accelerometer for Modal Analysis, 3333A Series
 
Dytran Instruments, Inc. has just released a new series of miniature triaxial accelerometers, weighing just 2.3 grams. The 3333A series was designed for modal analysis testing and general purpose vibration testing, and has a robust, laser welded titanium design which includes ceramic sensing elements coupled to ultra low noise JFET electronics. The 3333A series is unique in that it features an ultra miniature 4-pin connector. Compared to the industry standard 4-pin connector (1/4-28 thread size), the connector on the 3333A series is approximately 20% smaller in size. This substantial size difference allows for a more flexible, lighter weight cable, a smaller diameter for the connector, and also contributes to the smaller size of the sensor itself. With a low end frequency response of -10% down to 0.31 Hz, the 3333A series accelerometers offer excellent phase response at low frequencies. It also features an excellent signal to noise ratio. The 3333A series are available in sensitivities of 10 mV/g, 50 mV/g and 100 mV/g. Featuring a hermetic seal and adhesive mount, this triaxial IEPE accelerometer ...


Colibrys MEMS accelerometer for Attitude Heading and Reference Systems (AHRS)
 
Colibrys (Switzerland) Ltd. has announced today the release of its new MS9005, a ±5g range MEMS accelerometer, to complement its existing family of +/-2g and +/-10g products targeted primarily at AHRS applications. Developers of AHRS using Colibrys accelerometers will benefit from this new product as an alternative to existing selection of products, which are the traditional Colibrys-MS9002 and MS9010 sensors dedicated to standard AHRS and the latest world’s best open-loop RS9010 accelerometer dedicated to mid range requirements. According to Jean-Michel Stauffer, VP Sales & Marketing at Colibrys, “the MS9005 offers optimal accelerometer performance for applications that operate in medium level vibration and shock environment but where absolute bias and scale factor stability and reduced VRE (Vibration Rectification Error) are valued. Typical examples of AHRS integrating Colibrys accelerometers are airplanes, helicopters and UAV as well as backup systems on large aircrafts and small jets. This new product strengthens Colibrys’ position as the world leading supplier of MEMS accelerometers for AHRS applications”. This product benefits from the specialised knowledge and applications experience of Colibrys accelerometers in term of reliability for harsh ...


Airborne Signal Conditioner, Model 4139
 
Dytran Instruments has recently release a new signal conditioner designed specifically for airborne flight testing. Model 4139 is a six-channel signal conditioner designed to power up to six IEPE constant current type accelerometers while adding filtering, output biasing, and output limiting to present signal overdriving. The 4139 is intended for flight test use and operates from +28 VDC aircraft power. This miniature package measures 6.25 x 4.00 x 1.03 inches and weighs around ľ pounds. The input power, output signals, and power to the accelerometers are interfaced by one D-subminiature multi-pin connector. The accelerometers are connected to the 4139 through six 10-32 jacks. A nominal +2.50 VDC offset is provided at the output. This allows for direct connection of the output signals to telemetry transmitter modulators which are designed to ...


High Temperature Accelerometer for Automotive Engine & Exhaust Analysis
 
Dytran Instruments, Inc. is pleased to introduce the model 3092C which is a high temperature, piezoelectric charge output accelerometer. Designed for use in vibration studies in high temperature environments, this unit is capable of operating in temperature ranges of -60° to +900° F (-51° to +482° C). Model 3092C has a nominal sensitivity of 5 pC/g and an upper frequency range of 5,000 Hz. The 3092C features a 10-32 radial connector, a 10-32 mounting hole, stainless steel construction and a hermetic seal. The 3092C mates with an all new hardline cable assembly, model 6894AXX. Potential applications include turbine engine vibration monitoring, vibration studies of automotive engine and exhaust systems, and general purpose vibration measurements under ultra high temperature ...

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PCB Piezotronics Introduces New 1200 °F (649 °C) Hi-temp Accelerometer Ideally Suited for Flight Testing and Turbine Engine Test Cells
 
PCB Piezotronics, Inc. introduces Model 357C90 Hi-temperature, hermetically sealed accelerometer for engine turbine testing during flight test or in ground based test cells. Other applications include environmental chamber testing, or exhaust system vibration measurements on rocket or automotive engines up to 1200 °F (649 °C). The charge output unit features hi-temperature Inconel construction, sensitivity of 5 pC/g, measuring range to 1000 g’s peak, frequency response of 2.5 kHz, and resonant frequency over 14 kHz. The unit is supplied with an integral 10 foot (3 m) hi-temperature connecting cable, and is easily mounted via a thru-hole Ľ-28 thread bolt. Additional products are available from PCB to complete the measurement system, such as Airborne amplifier Model 422M201 or in-line charge amplifier Series 422E30, and a supporting family of Series 482 ICP® power supplies. Model 357C90 is backed by our guaranteed Total ...


Triaxial Accelerometer for Industrial Monitoring Applications
 
Dytran Instruments, Inc. has just released a new unit to our line of industrial accelerometers. Model 3213M6 is a rugged, triaxial accelerometer which utilizes the latest in piezoceramic shear technology coupled with 2-wire internal IEPE electronics. Although not limited to this application, the model 3213M6 was designed specifically for industrial vibration monitoring. Model 3213M6 mounts with a centrally located thru 10-32 captive mounting screw. It weighs 59 grams and is packaged in a rugged, anodized aluminum housing. Featuring a single 4-pin Brad Harrison connector and 360 degree cable orientation, the 3213M6 also operates at a high sensitivity (100 mV/g). Model 3213M6 is hermetically sealed and electrically isolated, making it an ideal unit for industrial monitoring ...


Lightweight Cubic Accelerometers for Modal Analysis with TEDS, 3097AT Series
 
Dytran Instruments has just released the new 3097AT series of accelerometers, which feature IEPE operation, TEDS and a small cubic design. Designed for use in modal analysis applications, the 3097AT series have a 5-40 stud mount and an industry standard 4-pin connector. These sensors are offered in three different sensitivities: 3097A1T is 10 mV/g, 3097A2T is 100 mV/g and 3097A3T is 500 mV/g. Packaged in a 0.4 inch cubic titanium housing, the 3097AT series weigh just 4.3 grams. Their robust, laser welded titanium design includes a ceramic shear sensing element coupled to an ultra low noise JFET electronics package. The 3097AT series is now offered in addition to the 3097A family of miniature accelerometers for modal analysis. ...


High Shock Accelerometers, 3200BM & 3200BT Series
 
Dytran Instruments is pleased to announce the release of two new series of high shock accelerometers. The 3200BM and 3200BT series of quartz shock accelerometers are designed to measure mechanical shock events of up to 100,000g’s amplitude. These rugged miniature instruments feature compression design quartz seismic elements for very high natural frequency and ruggedness. On-board miniature IC amplifiers convert the very high impedance voltage signals from the quartz crystals to a much lower impedance level which allows these instruments to drive long cables with negligible signal loss. The 3200BM and 3200BT series are offered in six different variations each, between 2,500g to 70,000g range. They feature a 10-32 axial connector, are electrically isolated from the sensor base and weigh just 6 grams. ...


Colibrys MEMS Tilt Sensor featuring micro g bias stability for platform stabilization, down borehole drilling and measurement whilst drilling (MWD) applications.
 
Colibrys announce the release of one of the world’s highest stability ±3g full range accelerometer commercially available, the RS9003.A. RS9003 is an ideal sensor designed for tilt measurement, measurement whilst drilling, borehole survey and other drilling applications where precision sensing over time in harsh and safety critical environments is demanded (see Colibrys application note: Down borehole & directional drilling). It is also a perfect product for stabilization of large platforms such as radars, antennas, turrets and surveillance cameras. The sensor features composite bias stability of better than 600μg and composite scale factor stability of better than 500ppm. “This level of performance has been so far the domain of precision mechanics and vibrating quartz accelerometers, which are foreseen to be increasingly displaced by Silicon MEMS technology, offering a disruptive change in tilt sensing performance with major benefits in terms of robustness, size and weight, cost and power consumption” highlights Soheil Habibi, Business Development Manager for Colibrys inertial sensors. He added further; “We aim to displace electromechanical sensors such as the Honeywell QFlex in many ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


Impulse Hammers with TEDS
 
Dytran Instruments, Inc. now offers impulse hammers with TEDS capability. The 5800BT Series is a new family of impulse hammers (similar to the 5800B Series) which feature acceleration compensation and IEEE 1451.4 TEDS. With a head weight of 100 grams, they are available in five ranges, between 50 LbF and 1,000 LbF. The 5800BT Series utilize an exclusive acceleration compensated quartz force sensor to ensure that hammer self-resonances do not produce spurious “bumps” in the hammer output spectrum. The high rigidity of the force sensor combined with acceleration compensation produces a clean, smooth output signal which is an exact representation of the forcing function, both in amplitude and phase. Dytran’s piezoelectric impulse hammers of a head assembly containing a force sensor and ...


Miniature Triaxial Accelerometer for Submersible Applications
 
Dytran Instruments is pleased to announce the release of a new miniature triaxial accelerometer designed for submersible applications. Model 3243A is a 10 mV/g accelerometer featuring a two-meter moisture sealed integral cable, which allows for the sensor to be used in damp and moist conditions. With a weight of 2.5 grams and a vertical height of 0.28 inches, this sensor is ideal for situations where vertical space is limited. Model 3243A has an adhesive mount and contains three miniature quartz shear mode accelerometer elements mounted to a single support and welded into a titanium housing. To learn more about model 3243A ...


Colibrys launches world’s best open-loop MEMS accelerometer displacing traditional high cost, fragile solutions.
 
Colibrys confirm launching today the IRIS accelerometer family, world’s best open-loop MEMS accelerometer, to displace traditional vibrating quartz and electromechanical solutions. MEMS establishes a new competition to historical high-end motion sensors, as typically offered by Honeywell, by pushing the boundaries of its performances, offering higher robustness at reduced cost in safety critical and harsh environment applications. The first product released based on IRIS technology is RS9010.A. This ±10g sensor specifically designed for AHRS (Attitude Heading and Reference Systems) and mid accuracy navigation application offers an order of magnitude improvement over existing leading MEMS technology and now seriously compete with traditional vibrating quartz and electromechanical solutions. This product uses an open loop electronic interface, specifically designed for long term stability. The enhanced sensor design provides an overall composite repeatability of bias better than 1.5mg (17) for ±10g and a scale factor repeatability of 500ppm (17). The vibration rectification coefficient is 150μg/g˛. “RS9010 will enable the AHRS designers to obtain excellent performance at reduced cost while benefitting from the inherently rugged MEMS sensor, which open new application opportunities and simplifies sensor handling during the manufacturing process” commented Soheil Habibi, Business Development Manager for Colibrys inertial sensors. He added further “IRIS is a big step forward in realizing our vision to commercializing μg stability accelerometers with ...


PCB Piezotronics, Inc. Introduces a New Series of MEMS Shock Accelerometers
 
PCB Piezotronics, Inc., introduces a new series of MEMS shock accelerometers. PCB® Series 3991/3501 MEMS shock accelerometers represent state-of-the-art industry technology for miniature, high-amplitude, DC response acceleration sensors, capable of measuring long duration transient motion, as well as responding to and surviving extremely fast rise times typical of high-g shock events. Offered in packaged and OEM configurations, these sensors are able to fulfill a variety of installation requirements. The design concepts were born from more than 20 years of PCB® expertise in very high G shock (> 20,000 G) measurement applications and sensor development. The air-damped acceleration sensing element, which is micro-machined from silicon, is manufactured with the latest advances in etching techniques and equipment. Measuring just 2.5 x 1.7 x 0.9 mm, the sensor incorporates a seismic mass, protective over range stops, and a full-active, piezoresistive Wheatstone bridge, making it the industry's smallest, most accurate and durable shock accelerometer....


Ultra Miniature Triaxial Accelerometer, Weighing 0.8 Grams
 
Dytran Instruments, Inc. is pleased to announce the release of the world’s smallest triaxial IEPE accelerometer! The 3133A series are miniature, low profile, triaxial accelerometers designed to mount in spaces inaccessible to other types of triaxial accelerometers. This model is the world’s smallest true IEPE accelerometer featuring sensitivities of 2 mV/g, 5 mV/g and 10 mV/g. Featuring a titanium case and weighing only 0.8 grams, this instrument is ideal for shock and vibration testing of very small lightweight specimens such as printed circuit boards, board-mounted components and other miniature products. The 3133A series can operate at temperatures up to +300°F. Designed for adhesive mount, it can be mounted in very narrow spaces only slightly greater than 0.24 inch (6.1 mm) wide. The height is 0.23 inch (5.8 mm). The 3133A series features ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


PCB Piezotronics, Inc. Introduces a New Series of Low Temperature Coefficient Triaxial ICP® Accelerometers
 
PCB Automotive Sensors – a division of PCB Piezotronics, Inc., introduces a series of low temperature coefficient, triaxial ICP® accelerometers. PCB® Series 339A Triaxial ICP® accelerometers are designed with a low temperature coefficient, wide operating temperature range, and good broadband measurement resolution. With an operating temperature range from -65 to +325 °F (-54 to +163 °C) and a temperature coefficient of less than 0.0125% / °F (0.02% / °C) these sensors are ideal for powertrain testing, NVH, road load data acquisition, and durability testing in climatic chambers. Additionally, these sensors have a measurement range to 10 kHz and a built in low pass filter to alleviate the effects of high frequency overloads caused by metal-to-metal inputs commonly encountered in powertrain vibration testing. Sensors are available in both stud and adhesive mounting configurations. PCB Automotive Sensors is a dedicated technical sales and support group, located in Novi, Michigan, USA, devoted to the testing needs of the global transportation market. This team is focused on development and application of sensors and related instrumentation for specific vehicle development test ...


Miniature Triaxial Accelerometer
 
Dytran Instruments, Inc. has just released a new model to the 3023A family of miniature triaxial accelerometers. Model 3023M27 is triaxial in configuration yet weighs only 3 grams. It is hermetically sealed and has a footprint of 0.36 inches x 0.36 inches. The 3023M27 has a sensitivity of 10 mV/g and features a 4-pin radial connector and adhesive mount. It is unique in that the labels of the axes X, Y and Z are laser marked in a large font size on three orthogonal faces aiding the user in orienting the sensor. It is ideal for use in modal analysis, noise vibration and harshness (NVH), Environmental Stress Screening (ESS) and general purpose triaxial vibration where space is at a premium. To learn more about model 3023M27 ...


Ultra Low Noise Miniature Triaxial Accelerometers with TEDS
 
Dytran Instruments, Inc. has just released a new miniature triaxial accelerometer designed for modal analysis testing. The 3273AT series features a robust, laser welded titanium design which includes ceramic sensing elements coupled to ultra low noise JFET electronics. It includes IEEE 1451.4 TEDS. With a low end frequency response of -10% down to 0.31 Hz, the 3273AT series accelerometer offers excellent phase response at low frequencies. It also features an excellent signal to noise ratio. The 3273AT series accelerometers are available in sensitivities of 10 mV/g, 50 mV/g and 100 mV/g. Featuring a hermetic seal, adhesive mount and a single 4-pin connector, this triaxial IEPE accelerometer weighs only 2.7 grams. Its titanium housing contributes to its lightweight, which provides for minimal mass loading of the accelerometer on the test article. This family of accelerometers is unique in that the labels of the axes X, Y and Z are laser marked in a large font size on three orthogonal faces, which aids the user in orienting the sensor. Designed for modal analysis applications, the 3273AT series accelerometers are also ideal for the following ...


Ultra Miniature Teardrop Accelerometers Weighing 0.6 Grams
 
Dytran Instruments, Inc. has recently introduced two new units to the 3225F family of ultra miniature IEPE accelerometers. Models 3225M5 and 3225M7 have a sensitivity of 1 mV/g, and are ultra miniature, ultra low profile sensors designed to mount in spaces inaccessible to other types of accelerometers. Featuring a titanium case and weighing only 0.6 grams, these instruments are ideal for the measurement of shock and vibration of very small lightweight specimens such as printed circuit boards and board-mounted components. Designed for adhesive mount, these units may be mounted in very narrow spaces only slightly greater than 0.25 inch wide. Their height is only 0.15 inch. Both models 3225M5 and 3225M7 have a special 3-56 coaxial connector which mates with a replaceable coaxial cable (supplied). The cable for the 3225M5 is model 6003A03, and it is 3 feet long and has a 10-32 coaxial jack at the end. Cable 6003B10 is supplied with the 3225M7 accelerometer, and it is 10 feet long and has a 10-32 coaxial plug ...


PCB Piezotronics Introduces New Submersible Accelerometers
 
PCB Piezotronics, Inc. introduces a sealed, watertight, integral cable assembly that ensures signal fidelity is not compromised due to liquid ingress. Available on many PCB® sensors, this alternative sealing technique is extremely valuable when used in gearboxes, transmissions, flow tubes and valves, sealed chemical reactors with mixers, and when measuring structural reactions to turbulence. In many industries, a component or location that requires testing or monitoring may be splashed or submerged in water, oil, or other liquid rendering the test invalid and possibly even destroying the senor. While consideration must be given to the sensor housing material, accelerometers are devices that generate electrical signals. In order to prevent contamination and degradation of the measurement signal via the cable, it is imperative to protect the signal transmission path to make certain the liquid will not chemically compromise the seal; using a PCB sensor with the new watertight integral cable assembly virtually eliminates worry, downtime, and added expenses, allowing for continued, accurate measurements. PCB Piezotronics, Inc. is a global leader in the design and manufacture of force, torque, load, strain, pressure, acoustic and vibration sensors ...

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accelerometers, acceleration sensors,

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Ultra High Temperature Vibration Measurement System
 
Dytran Instruments, Inc. is pleased to announce the release of a unique high temperature vibration monitoring system, model 5334. This unit consists of a high temperature charge mode accelerometer and an in-line miniature differential charge amplifier which operates from a constant current 2-wire (IEPE) power unit. The configuration is known as a hybrid system because it combines a differential charge mode accelerometer with IEPE technology. The accelerometer and charge amplifier are permanently joined together as a single unit with the interconnecting hard line cable permanently connected. The accelerometer is connected to the input of the charge amplifier via an 18 inch long hard line cable (SIO2 insulated) which is unaffected by the high temperature at the measurement point. ...


Miniature Triaxial Accelerometer with TEDS
 
Dytran Instruments, Inc. has just introduced a new accelerometer to the 3093B family of accelerometers. Model 3093M18 is a new miniature 10 mV/g accelerometer with IEEE 1451.4 TEDS. Model 3093M18 is lightweight (10 grams) and features a 10-32 mounting stud, an industry standard 4-pin connector, and titanium construction. This unit can be mounted into very tight spaces since its vertical dimension is only 0.61 inches. The 3093B series of accelerometers are hermetically sealed sensors, and feature a shear construction and are electrically isolated from the sensor case. Because of their small size, these units are ideal for applications where space is at a ...


Lightweight Cubic Accelerometers for Modal Analysis Testing
 
Dytran Instruments, Inc. is pleased to introduce a new series of accelerometers design for modal analysis applications. The 3097A series features IEPE operation, small size (0.4 inch cube), broad frequency response and ultra low noise. The robust, laser welded titanium design includes a ceramic shear sensing element coupled to an ultra low noise JFET electronics package. The unit also features adhesive mount and an industry standard 10-32 connector. These units are available with TEDS. For detailed drawings and a specification sheet, please visit the Dytran website at www.dytran.com or email info@dytran.com. Key Features: - Small size: 0.40 x 0.40 x 0.41 inches (size x square x height) - Available in 10 mV/g, 100 mV/g and 500 mV/g sensitivities - 10-32 side connector - 5-40 mounting provision - Titanium construction - Hermetically sealed - Ultra low noise JFET electronics - IEPE ...


Cost Effective High Temperature Accelerometers for General Purpose Vibration
 
Dytran Instruments, Inc. is pleased to release a new family of accelerometers. The 3255C and 3256C are charge mode accelerometers that are an excellent cost effective solution for general purpose vibration applications under high temperatures. Models 3255C and 3256C are light weight charge mode accelerometers with 15 pC/g sensitivity. These units feature a robust, laser welded titanium construction which includes a ceramic sensing element. They are hermetically sealed, weigh only 10 grams, and have a 10-32 mounting hole. Model 3255C has a 10-32 radial connector and model 3256C has a 10-32 axial connector. To learn more about model 3255C and 3256C ...


Submersible Accelerometer for General Purpose Vibration Measurements
 
Dytran Instruments, Inc. is pleased to introduce a new general purpose accelerometer for underwater vibration measurements. Model 3217A has a sensitivity of 100 mV/g and was specially designed for submersible applications with a factory molded urethane boot and urethane cable. This rugged IEPE accelerometer features shear design ceramic seismic elements for high natural frequency and ruggedness. An on-board miniature IC amplifier converts the very high impedance voltage signals from the crystal to a much lower impedance level which allows this instrument to drive long cables with negligible signal loss. Model 3217A features a hermetic seal, adhesive mount and weighs only 5 grams. It is electrically isolated from the mounting surface to avoid annoying group loops which can cause spurious signals to interfere with the measurements. ...

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accelerometers, acceleration sensors,

vibration sensor, vibration switches


High Performance Triaxial Accelerometer Series for Measurement of Worker Personal Exposure to Hand-Arm Vibration
 
The Larson Davis division of PCB Piezotronics (PCB®) has announced the launch of a new series of high performance triaxial accelerometers, Series SEN04xF, designed expressly for taking measurements of worker personal exposure to Hand-arm Vibration (HAV). Designed with special integral low-pass filtering circuits that minimize false readings from shock and mechanical resonances, Models SEN040F (1 mV/g sensitivity) and SEN041F (10 mV/g sensitivity) are smaller, lighter and more precise than typical sensors. SEN04xF series sensors can be mounted onto a variety of mechanical mounting adapters for HAV studies; feature miniature four pin connectors; and are available with new heavy-duty cables that interface directly with the Larson Davis HVM100 Human Vibration ...


IMI Sensors Releases New Short Form Brochure “Vibration Monitoring Instrumentation”
 
The IMI Sensors division of PCB Piezotronics (PCB®) has released a comprehensive brochure, highlighting its latest offerings in accelerometers, vibration transmitters, switches, meters, cables, connectors and accessories for machinery condition monitoring and predictive maintenance. Sensors for permanent installation and detailed analysis and diagnostics are featured, as well as loop-powered 4-20 mA transmitters, for interface to existing PLC, alarm, Plant Information (PI) and SCADA systems. Also included are models which offer low-cost; high frequency (to 30k Hz, even with a magnet); or high-temperature (to +900 °F); as well as new industry exclusive products, such as Model 621B40 high frequency sensor for turbomachinery; Model 699A02 1g handheld shaker, for verification of sensor performance right at the machine; and patented Bearing Fault Detector and Reciprocating Machinery Protector, as well as Series 686B USB programmable smart vibration switch, which offers a drop-in replacement for ...


Monitoring Overall Vibration Levels on Critical Machinery in Hazardous Areas
 
The IMI Sensors division of PCB Piezotronics (PCB®) has released Series EX64xB7x, a line of loop-powered 4-20 mA output sensors with a 1-inch NPT, 90° capped elbow conduit, to meet ATEX and CSA approval requirements for use in hazardous areas. Sensors operate from standard 24V loop power, making them directly compatible with existing PLCs, SCADA, DCS, and Plant Information (PI) systems, for continuous vibration monitoring of overall vibration levels on critical machinery in hazardous area application environments. Sensors are available with either acceleration or velocity outputs and in various amplitude ranges. Outputs of peak or RMS vibration can be selected, as well as optional temperature or raw vibration outputs. The raw vibration output provides a buffered signal that can be used with vibration data collectors to perform detailed diagnostic ...


IMI Sensors Launches Series 686B USB Programmable Smart Vibration Switch for Cooling Towers, Fin Fans, Pumps, HVAC System Protection
 
The IMI Sensors division of PCB Piezotronics (PCB®) has released Series 686B USB Programmable Smart Vibration Switch, designed for 24/7 continuous monitoring and protection of cooling towers, fin fans, pumps, HVAC systems, and other critical machinery. Series 686B offers a smart alternative to unreliable mechanical switch technology. This electronic switch has much better accuracy and reliability than traditional mechanical switches, and is easily installed in place of existing mechanical switches, since it only requires two wires – and can replace legacy switches without the need for additional cable runs. Series 686B also offers a remote reset capability and USB programmable delays to avoid false trips. This universally powered unit is hermetically sealed for use in the harshest of environments, mounts with a single stud like a sensor, and is available for use in ...


Wider K-Beam® Accelerometer Measuring Range
 
Kistler Instrumente AG: K-Beam Type 8305B... capacitive accelerometers measure single axis acceleration in a truly static or low-amplitude, very low frequency environment. Featuring high sensitivity and virtual immunity to temperature transients, these accelerometers are available in two measuring ranges and with the option of unipolar or differential output. The revised series Type 8305B… now covers a measuring range of up to 100 gn. Type 8305B… is used in the automobile industry in over-the-road testing and on Hy-dropuls shakers for stability and service life tests, in the aerospace industry and for investigating structures. The important features of the new series are: low overall height of 9 mm for diameter of 27,9 mm, Measuring ranges of 2, 10, 25, 50 and 100 gn, frequency response from 0 … 500 Hz (for measuring ranges of 50 and 100 gn), extended supply voltage ...

 

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