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A selection of recently published

technical articles, white papers, products

& application examples:



NASA Stennis Space Center Awards Sensor Development Contract to Lion Precision
 
Lion Precision, a leading manufacturer of high-performance displacement sensors, was awarded a Cooperative Agreement with NASA’s Stennis Space Center to develop a smart sensor and the associated communication protocols to monitor valve position and wear. The eddy-current displacement sensors will monitor valves responsible for the flow of liquid oxygen and liquid hydrogen in rocket engine test cells. Sensor measurements and sensor health information will be transmitted using MTConnect communication protocol. Development of the system will require the expansion of MTConnect to include new XML tags for sensor measurement and health parameters. Don Martin, president of Lion Precision, is the chairperson of the Sensors Working Group for MTConnect. Rocket engine tests are very expensive to perform. Failures during the test require scrapping and later repeating the test at great expense. To help prevent failures, the sensors will monitor the condition of critical valves. The sensors will provide a precise measurement of the final seated position of the valve when closed. That position verifies that the valve is closed and also indicates valve wear. This data will inform operators when a valve requires maintenance rather than waiting until it fails or performing costly, unnecessary maintenance at a predefined time interval. The sensors will also monitor their own functionality and report any apparent malfunctions of the sensing system. ...





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Understanding Capacitive Position Sensors
 
MicroSense, LLC: Introduction to Capacitive Displacement Sensors: Capacitance sensing is a high precision, high bandwidth, non contact displacement measurement method which has been in common use for over 50 years. This white paper describes various characteristics of capacitive sensing, principles of operation, performance characteristics and the fixturing of capacitive sensors. Capacitive sensors, when used for high resolution displacement and position measurement, are also commonly known as cap gages (or gauges), since some of the early commercial applications for capacitive sensors involved dimensional gaging of precision components. Characteristics of Capacitive Sensors: Capacitive sensors are used to make non contact displacement measurements with high precision, very rapidly over modest ranges. Non Contact: Capacitive sensing is a non contact measurement method. Because the system never makes contact with the part there are no witness marks, parts distortion or probe wear. In addition, because the system is non contact, high volume measurements are facilitated because there is no sensor cycle time. High Resolution: Only a laser interferometer offers similar resolution to a capacitive sensor. Capacitive sensors are used in ...





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New DIN-Rail Amplifier for use with LVDTs
 
DIN-Rail Amplifier for use with LVDTsStellar Technology: The new Series AP5102 is a standard DIN-rail Amplifier for use with LVDT’s (linear variable differential transformer) requiring AC excitation and synchronous demodulation. The AP5102 produces analog outputs of 0-10 Vdc, ±10 Vdc, or 4-20 mA, and incorporates a DC-DC converter which ensures that the output of the unit is isolated from the supply. Signal inputs of 20mV to 4V are accepted. The DIN mount housing is constructed of high-impact thermoplastic and permits easy access to screw terminal connections for power, analog output, shunt, and sensor signals. Zero and span adjustments are made directly from the front panel with 25-turn trim pots. All other controls are internal including coarse gain and zero, zero input switch, jumper links for master/slave setting, and excitation frequency setting. All internal settings are easily accessible by disengaging the front panel and board assembly from the housing. The AP5102 is compatible with the complete range of Stellar Technology AC/AC LVDT transducers, and most other manufacturers LVDT’s. ...





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A selection of recently published

technical articles & products:



New DIN-Rail Amplifier for use with LVDTs
 
DIN-Rail Amplifier for use with LVDTsStellar Technology: The new Series AP5104 is a convenient DIN-rail Amplifier for use with 4-, 5-, or 6-wire LVDT’s (linear variable differential transformer). The AP5104 provides regulated AC excitation with remote sensing capability for cable runs exceeding 20 feet. The AP5104 produces filtered analog outputs of ±0-5Vdc, ±0-10 Vdc, 4-20 mA, 4-12-20 mA which are field-selectable via the front panel. These outputs are filtered using a low-pass active filter that removes unwanted high-frequency measurement-signal components and thus eliminates aliasing errors. Signal inputs from 16 to 1600 mV/V are accepted. The DIN mount housing is constructed of high-impact thermoplastic and permits easy access to screw terminal connections for power, analog output, shunt, and sensor signals. All controls are external including 25-turn trim pots for Zero and span, as well as coarse gain and zero, zero input switch, jumper links for master/slave setting, and excitation frequency setting. The manual or automatic phase shift adjustment ...





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Precision Capacitive Position Sensor – Model 6810 from MicroSense
 
Precision Capacitive Position Sensor – Model 6810 from MicroSenseMicroSense introduces the model 6810 high resolution capacitive position sensor. The 6810, in combination with 6000 series measurement probes, is a non-contact displacement measurement instrument intended to provide exceptionally high resolution, low noise measurements. The 6810 offers state-of-the-art performance for high dynamic measurements such as motor and spindle run out – nanometer level resolution is possible at measurement bandwidths up to 100kHz! No other capacitance sensor approaches this level of performance. * Designed for measuring “high dynamic” targets that change position, rotate or vibrate at very high speeds, including poorly grounded targets. * User selectable measurement bandwidths up to 100 kHz for ultra-fast output response. * Non-contact design for virtually unlimited service life. * Current MicroSense model 5810 customers can immediately improve measurement performance. The 6810 is a “drop in” replacement for customers who wish to upgrade from ...





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Tyco Electronics Presents Drive Mode and Speed Sensor Module for Dual Clutch Transmission
 
Drive Mode and Speed Sensor Module for Dual Clutch TransmissionTyco Electronics: New legal requirements for fuel and CO2 reductions require appropriate optimizations and new concepts in the powertrain. Various automobile manufacturers developed and implemented double clutch transmissions to reach economic targets. Due to system requirements, it is necessary to detect the position of the drive mode lever and the different gear speeds joined with the two individual clutches as controlling variables. In collaboration with a leading automobile manufacturer Tyco Electronics has developed a sensor integrated module for detecting the drive mode and the different wheel speeds. In this specific application the sensor module is integrated and located inside the transmission. Due to the system safety requirements it is necessary to have complete redundant drive mode signals. This sensor module is based on PLCD technology (Permanentmagnetic – Linear - Contactless-Displacement) and two hall-based speed sensors.  ...





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ACANTO Absolute Length Gauge
 
ACANTO Absolute Length GaugeAt this year’s Control trade show, HEIDENHAIN will be presenting new length gauges of the ACANTO Series. They are characterized by absolute position value formation and are ideal for use in production-related metrology, at multipoint inspection apparatuses and in automated inspection equipment. The product is based on the optical scanning of absolute graduations, which permits high accuracy at high resolution and linearity over the entire measuring length. The technology behind the scanning in the ACANTO is similar to the optical scanning in absolute rotary encoders, which have proven themselves for years. The EnDat 2.2 interface, which is well known in the absolute HEIDENHAIN encoders, offers a convenient status request function and diagnostic capabilities, makes it possible to quickly put a system into operation, and permits high clock frequency. During commissioning, the device data can be read out over the EnDat 2.2 interface for self-configuration; during operation, valuation numbers permit diagnostics on the quality of the incremental and absolute tracks. In addition, OEM-specific information can be saved in the length gauge’s memory. ACANTO length gauges are available for measuring lengths ...





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Tyco Electronics Presents Hall Travel- and Rotary Sensor Platforms for Automotive Applications
 
Tyco Electronics: In the automotive industry, development time is a key factor for successful market positioning. Tyco Electronics’ answer for this is a platform strategy for non-contact switches and angular- and travel sensors. Standardized designs and production processes offer short-term availability of fully functional sensors for functional testing. One highlight is the hall technology based travel- and angular sensor platform for measurement ranges up to 40mm or angle ranges of 360° (see picture). Travel and angle measurement can be realized within one sensor package. The applied hall technology is a 2D measurement principle which results in a significant measurement performance increase compared to existing Hall sensors. These sensors show a high performance related to a linearity error of only 2-3% and a temperature drift of lower than 2%. ...


Precision Short Stroke LVDT
 
Stellar Technology offers the Series LSU61X short stroke precision LVDT, ideally suited for applications where dynamic measurement is needed but space is limited. This DC/DC displacement sensor operates from unregulated power supplies of +24 Vdc to +40 Vdc or dual ±12 Vdc to ±20 Vdc. Model LSU61X utilizes an internal amplifier to generate a ±5 Vdc output signal and the internal electronics include a filter circuit. The armature covers a stroke from ±0.10 to ±0.40 inches and is loose-fit (unguided) in the bore of the LVDT. Precise alignment along the bore produces a frictionless movement and long sensor life. ±0.5% linearity is standard. Linearities of ±0.25% or ±0.1% are available as options. Both the body and probe are constructed from stainless steel. These units are shipped with traceable calibration ...


Tyco Electronics Presents PLCD Position Sensors for Exhaust Gas Recirculation of Truck Engines
 
Tyco Electronics: New emission laws demand new technologies for optimization of the combustion process. Along with the addition of chemical substances (SCR) there is also the significant technology of exhaust gas recirculation. A pneumatic cylinder, controlling a flap, regulates the volume of exhaust gas which is recirculated. For precise control in this application, a displacement sensor has to fulfil these requirements: * Safe fixture on the cylinder, * Wear free measurement with millions of cycles of the actuator, * Very precise measurement, * Suitable for temperatures up to 150°C, * High resistance against vibration. For precise measurements of displacement and positions, Tyco Electronics employs the PLCD sensor (Permanentmagnetic Linear Contactless Displacement). As a sensor manufacturer and development partner in the automotive industry, Tyco Electronics offers their long experience of development and project engineering for new sensor application systems. Diverse portfolios of electromagnetic components and sensors are available, with modern process technologies, and are the basis of successful products within the automotive industry. . ...


Submersible Long Stroke AC/AC LVDTs
 
Stellar Technology offers submersible long stroke LVDTs with the LYU60X and the LYS60X. These AC/AC displacement transducers are designed specifically for applications in which the sensor is submerged in fresh water or most other noncorrosive liquids and gases for prolonged periods. These displacement transducers are ruggedly constructed of all stainless steel and are able to withstand harsh underwater environments as found in mining, upstream oilfield, geophysical, and industrial processes. Model LYU60X features an unguided armature with a stroke range from ±0.5” to ±8”; while the LYS60X has an internal spring return and a ±0.5” to ±3” stroke range. Both units deliver ±0.5% linearity and are built to withstand pressures from 145 psi to 3000 psi. Linearities of ±0.1 and ±0.25% are available options on many units. ...

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displacement sensors
linear position sensors


Laser Triangulation up to a distance of 2m
 
Measurement technology company Micro-Epsilon has launched a new laser sensor with a 1m measuring range. The optoNCDT 1710-1000 sensor has a measuring range that starts from a distance of one meter from the sensor, so displacement can be measured at a distance of 2m from the sensor. The sensor comes with an integrated controller in a compact 200mm x 83mm x 48mm housing. The diameter of the light spot is constant across the complete beam path. With a measuring rate of 2.5kHz, the sensor is technically superior to existing alternative sensors on the market, providing 100µm resolution without averaging. 4 … 20 mA, 0 … 10V, RS422 or USB outputs are available. The optoNCDT 1710-1000 is used for measurement objects that have a high degree of freedom or movement. Other potential applications are in harsh ambient conditions, where the sensor has to measure onto the object from a safe distance or if the target is in a vacuum. The sensor also ...


Tyco Electronics Presents Sensors for Detection of Neutral Position on Manual Transmissions - Start-Stop-Application (Mild Hybrid)
 
Tyco Electronics: New legal requirements for fuel and CO2 reductions also require appropriate optimizations in the powertrain. Various automobile manufacturers have developed and implemented Start-Stop systems currently on the market Due to system requirements, it is necessary to detect the transmission neutral position as one of the controlling variable. In collaboration with a leading automobile manufacturer and two gearbox suppliers, Tyco Electronics has developed a contactless sensor for detecting the neutral position at various manual transmissions. This sensor is based on PLCD technology (Permanentmagnetic-Linear-Contactless-Displacement sensors). A permanent magnet, located at the shifting shaft, serves as the target object, whose position will be reflected in the neutral zone. The PLCD sensor is mounted on the outside of the gearbox and detects the neutral position of the transmission. Due to the functional principle of a non-contact system, mechanical wear is avoided and the system requirements of measurement ...


Subsea LVDT Series is Submersible to 7,500 ft.
 
Stellar Technology: The Series LWU is a family of submersible LVDT displacement transducers available in either DC or AC versions. These units are specifically designed for use in sea water and other submersible environments, including many corrosive liquids. The LWU Series features unguided armatures with stroke lengths from 0.5” to 4” and linearity of +/- 1%. Operating temperature is from -40 to 140 deg.F. The LWU60X is an AC/AC unit with v/v output. The LWU61X and LWU65X are DC/DC units with outputs of +/-5 Vdc or 0-10 Vdc and 4-20mA, respectively. The LWU units are made of 316 stainless steel, and are fully welded. The heavy duty construction makes these units able to endure the most rigorous applications including 10 years submersion in seawater at a depth of 7500 ft. (2300 m). The free unguided armature design allows non-magnetic fluids to enter the transducer body without affecting the operation of the transducer. In addition, this thru-hole design ...


High Accuracy Gauging LVDT
 
Stellar Technology, Inc.: The Model LPS60X AC/AC LVDT is designed for precision displacement and position measurement for quality assurance applications in industrial environments. These high accuracy displacement sensors are constructed of stainless steel and utilize a ball probe to smoothly interface with the target. The spring guided armature is supported with precision linear ball bearings to ensure excellent repeatability, high life cycle, and stable overall performance. The compact LPS60X LVDT’s Series measures displacement from ± 0.02 inches to ±0.2 inches, with 0.25% linearity, and infinite resolution. Operating temperature is from -40° to 212°F. The unit features a 6’ integral Polyurethane insulated cable which is resistant to oils and chemicals. All Series LPS60X displacement transducers are shipped with traceable calibration certificates. Mounting brackets, alternative electrical connectors and a variety of probe tips are optionally available. ...


Sensors for wind turbine systems
 
In its latest brochure, measurement technology specialist Micro-Epsilon is presenting new possibilities for displacement measurement, profile and temperature measurement of wind turbine systems. The brochure provides details on the specific benefits associated with the use of sensors in specific applications and describes the sensor required for this. For example, highlighted are the condition monitoring possibilities that arise from the use of IR temperature sensors. Amongst other things, the thermoMETER CT sensors are used for the temperature measurement of the generator windings or for the rotor gearbox. Noticeable, abnormal temperature developments indicate a technical problem, which can then be rectified before any major repairs are required. Minimising shutdown times is therefore possible. In addition to temperature measurement, examples of displacement measurement and profile measurement for quality assurance purposes during the manufacture of ...

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displacement sensors
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High-Performance Eddy Current Sensor Offers Improved Displacement Measurements
 
Lion Precision: The ECL101 Eddy-Current displacement sensor is an improved, CE compliant version of Lion Precision’s original ECL100 sensor. The ECL101 noncontact sensor offers improvements in immunity to electromagnetic interference (EMI) and thermal stability as well as lower power consumption. The linear output sensor is available with a selection of probes offering measurement ranges from 0.5mm to 15mm, and features a unique front panel range indicator to alert the operator to out-of-range conditions. The sensor has applications in any industry requiring precision noncontact displacement measurement, especially in a hostile environment involving fluids or debris in the measurement area ...


Application of Draw Wire Transducers in a burial monument
 
WayCon Positionsmesstechnik GmbH: Accuracy measurement for monitoring of structural deformations and convergences in an ancient burial monument through a draw wire displacement transducer of the SX series with 50mm measurement range. An ancient burial monument ca. 300 BC, was unearthed 100 years ago in the near of Thessaloniki, Macedonia, Greece. Over the years the monumnet is becoming unstable due to ground erosion. A solution to stabilize the monument was needed. The responsible Division of the Ministry of Culture appointed the company “Neotek” a greek distributor of WayCon Positionsmesstechnik GmbH in Germany to find a solution. To accomplish this project, an accurat measurement system was necessary to collect the relevant data. Various draw wire transducers from the series SX are connected to a self-standing data logger and a battery box. Power is conserved by a timing switch. The Waycon displacement transducers monitor structural deformations and convergences. Readings are taken every 6 hours. Waycon is a manufacturer of accurate measurement systems and professional sensors for industry and research for all applications in areas of position and distance measurement techniques, level measurements and ...


Eddy currents – magnetically controlled
 
Due to be launched at the Hanover Trade Show and Sensor + Test, is a new product range from Micro-Epsilon called mainSENSORs (“Magneto-inductive”). The standard MDS-40 M30 industrial version has a 40mm measuring range and an M30 cylindrical stainless steel housing. The OEM alternative, the MDS-40MK, has a miniature square plastic housing and also provides a 40mm measuring range. Other advantages of these sensors are their very compact design relative to the measuring range, as well as extremely attractive price-performance ratios. Over many years, Micro-Epsilon has been renowned as a specialist supplier of eddy current displacement sensors. This technology enabled the technological core of the new sensors range to be developed. The new sensors offer a combination of high speed and high resolution measurements. The sensors also benefit from extremely high basic sensitivity and temperature stability. A small permanent magnet on the measurement object is used as the target ...


AC-Powered Long Stroke LVDT
 
The new Series LLS60X from Stellar Technology is a high performance long stroke LVDT displacement transducer with a spring return armature. The armature is restrained and guided by an ultra-low friction bearing assembly and the internal spring automatically positions the armature to its full extension. This design is used where it is not possible to connect the transducer armature to the moving part being measured. The compact size of the LLS60X series makes it ideal for limited-space applications requiring a stroke range from ± 0.5” to ± 3.0”. These displacement transducers are ruggedly constructed of stainless steel and able to withstand harsh environments where high ambient temperature or vibration is present. LLS60X displacement transducers can be specified with either ±0.5% or ±0.25% linearity. Each unit is shipped with traceable calibration certificates. We invite you to visit the Stellar Technology website (www.stellartech.com) and review our comprehensive offering of load cells, force sensors, pressure transducers and transmitters, temperature transducers, and instrumentation ...


Capacitec High Temperature Non-Contact Displacement Sensors Offer Performance to +1000 °C in Manufacturing and Testing Applications
 
Capacitec, Inc., a global leader in the design and manufacture of non-contact capacitive displacement, gap and parallelism sensing technologies for scientific and industrial customers, has announced the successful application of high-temperature non-contact displacement sensors within disc brake wear analysis, glass manufacturing and aircraft engine testing applications. Since the 1970’s, Capacitec high temperature non-contact sensing technology has been in use in North America, Europe and Japan to solve the most demanding applications, measuring displacement of up to 0.4” (10 mm), within extreme temperature environments where resolution of one micron or better is a requirement, such as: * In-vehicle disc brake wear analysis. Capacitec Model HPC-150C-H sensor assembly offers small size (OD 9.5 mm), large range (2.5 mm) and 0.25 micron resolution. Operating at +400 °C, they are used to test runout, thickness variation, coning, wobble and thermal expansion of disc brake rotors. ...

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Draw-wire sensors for the testing of rotor blades
 
Draw-wire sensors from Micro-Epsilon are being used in the testing of new wind turbine rotor blades at the Fraunhofer Institute IWES, Bremerhaven. The test rig is designed for rotor blades with a maximum length of 70m. The rotor blade distortion due to wind loads is simulated in this rig. The tip of the rotor blade can be distorted by up to 10m due to mechanical loads. The rotor blade is mounted horizontally in the test rig for this. Steel cables are routed to the rotor using guide pulleys and attached to the rotor blade at various positions, either directly or via mechanical clamps. Twelve draw-wire sensors from Micro-Epsilon are used for to measure the distortion. Mounted on the rails on the floor are two draw-wire sensors for each steel cable, which measure the movement and the distortion of the rotor blade. The sensors of the wireSENSOR P115 series have measuring ranges of between 3m and 10m and operate with a digital signal output. The sensors are particularly robust due to their aluminium housing. ...


Electromechanical NC Joining Module NCFB – a Low-Cost Alternative
 
Kistler's electromechanical joining modules facilitate automation of force-displacement monitored joining and press-fitting processes. The new NC joining module NCFB Type 2160A... has been specially designed for standard joining processes and is an enhancement of the existing product range. With its cost-optimized design, it offers a more favorable price/performance ratio. The piezoelectric force sensor integrated into the robust case offers a choice of two predefined measuring ranges, 50 kN and 25 kN, for precision force measurement. Even deep end points such as the position of bearings in half-shell gear boxes can be easily reached with a 400 mm stroke. The speed of up to 150 mm/s offers a quick return stroke and hence a short machine cycle, even for a long idle stroke. The use of the absolute encoder, which is part of the standard equipment on all Kistler NC joining modules, eliminates the need for reference point determination even during operation. The NC Compact Firmware (2159A…), which is integrated into the servo controller, is perfect for simple force displacement evaluation ...


Precision sensory in medical technology – the use of foil sensors in medical appliances
 
Sensor elements are used in numerous ways to measure and control changes and deviations. For many years Metallux AG, located in Korb near Stuttgart, supplies the medical industry with mostly custom specific products. The new flexible foil sensor MetaPot is used as a linear and angular sensor in custom specific applications. Safety, precision, soundness and reliability are a hallmark of this new generation of foil sensors. Medical instruments and products need to comply with the highest demands. Be it for diagnose, treatment or as an aid to compensate for disability or ailments – sensor systems will be called upon in most instances. The medical technology consists of various areas. These are from diagnose and treatment of illness to therapy and rehabilitation up to improvement for people with disabilities and to support their mobility. Following examples in diagnose, treatment, therapy and rehabilitation will show, how important sensory has become in medical technology. Infusionpump syringes are used for consistent dosage of medication. It is important that dosage is always consistent. Sensors are used as precise measurement system to ...


Noncontact Displacement Sensor for National Instruments CompactRIO System
 
Lion Precision: The new ECD140 sensor, scheduled for release in Q4 2009, will add displacement and position data to test, measurement, and control systems designed around National Instrument’s CompactRIO architecture. Based on eddy-current (inductive) sensing technology, the new sensor provides displacement measurements of conductive targets with sub-micron resolutions and measurement ranges of 2mm to 3.5mm. Other ranges are also available upon request. A fully functional ECD140 will be demonstrated during NI Week in Austin, Texas August 4-6 (www.ni.com/niweek). The CompactRIO system from National Instruments is an open, expandable system powered by LabVIEW. The system allows hot swapping of a multitude of modules to quickly configure a data acquisition system. No other noncontact displacement sensor module is available for the CompactRIO system ...


Measuring principle for low cost displacement sensors
 
Micro-Epsilon has developed a completely new displacement measurement principle with its new Magnetic Displacement Sensor (MDS). In contrast to the widely used Hall Effect principle, the MDS is based on a method patented by Micro-Epsilon, which is based on a linear relationship between the position of the magnet and the output signal. As printed coils are used for this measurement principle, the manufacturing method does not depend on semiconductor processes. This makes customer-specific adaptations considerably easier. The sensors have an extremely high basic sensitivity, which enables a very simple and low cost evaluation circuit. With an eddy current sensor as the technological core, very fast, high resolution versions can be achieved. Compared to Hall Effect sensors, much larger measuring ranges (currently 60mm limit) can be achieved. In addition, significantly smaller magnets are required as the target. ...

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Linear- and rotary sensors, new custom specific designs
 
Metallux AG: Next to the innovative contact less linear sensor MMP, which features high accuracy in even the smallest dimensions, additional custom specific rotary sensors like the PLL 95° as well as the POS 50 were added to the range. Rotary sensor PLL 95°: Metallux PLL 95° is a favourably priced rotary sensor, fulfilling the highest demand on quality and performance. The sensor is easy to install. The robust design and the plastic housing will resist oils and greases. A sleeve bearing ensures a high lifecycle. Rotary sensor PLL 95° ...


The New BPS 8 Barcode Positioning System
 
The new BPS 8 position measuring system from Leuze electronic enables positioning with millimetre accuracy at distances of up to 10,000 m in a very simple manner. Used together with the MA 8 connector unit, the system makes possible economical solutions in industrial environments. Optical measurement techniques are especially well suited for position determination of rail-mounted industrial trucks, suspension tracks, crane systems, high-bay storage devices or similar automatically moved systems. They function without mechanical wear and slippage. With the barcode positioning systems (BPS) from Leuze electronic, positions can also be precisely determined along horizontal and vertical paths. By means of a visible red light laser, the measuring unit of the BPS reads the position relative to the barcode tape. The code that is read in the scanning area of the laser beam is used to calculate the position from code information and code position with millimetre accuracy. ...


OptoNCDT1402 laser sensor from Micro-Epsilon
 
The new optoNCDT1402 laser sensor from Micro-Epsilon replaces the company’s previous optoNCDT 1401 product. The new sensor provides improved performance and extreme flexibility. This flexibility comes from a brand new Teach-In function, which can be used to limit or change the measuring range for each application. In this way, both the resolution and the linearity of the sensor in the pre-set measuring range can be significantly improved. This is of particular benefit in applications where only a small measuring range but high performance is required. The flexibility of the optoNCDT 1402 is further enhanced by an integrated swivelling cable connector, which can be used to change the direction of the cable output to suit the individual application. By utilising a CMOS sensor, the optoNCDT 1402 has an increased measuring rate of 1.5kHz making it suitable for rapid processes. An RS422 digital interface is provided, as well as analogue current / voltage output. As before, the new series comprises seven sensors, which have measuring ranges between 5mm and 250mm. Together with the integrated controller, the very compact design makes mounting faster and easier and installation is possible in restricted spaces. Due to its very effective, real time compensation process for the changing reflection characteristics of different target surfaces, the optoNCDT 1402 sensor is ...


Compact Electromechanical NC Joining Systems for Efficient Assembly now with 15 kN Nominal Joining Force
 
With its well-proven electromechanical NC joining modules such as NCFH Type 2151B…, Kistler offers a particularly compact and high-precision system solution for a wide range of press-fitting and joining tasks with integral force displacement monitoring. This series has now been enhanced with a new joining module with a 15 kN nominal joining force. The smaller size 1 electromechanical NC joining modules NCFH Type 2151B… are therefore now available with nominal joining forces of 10 and 15 kN and in various measuring range combinations from 1 kN to 15 kN. Size 2 covers joining forces of 30 and 60 kN and measuring range combinations of 15, 30 and 60 kN. The two new types differ from the established 10 kN version by a strengthened construction on the same compact space. With the piezoelectric force sensor, there is a choice of a second measuring range of 5 kN (Type 2151B15052001) or 2 kN (Type 2151B15022001). These NC joining modules are mechanically and electrically compatible with the existing sizes ...


Non-contact displacement sensor, Laser distance sensor / “Adaptable laser sensors with teach function”
 
ELTROTEC: For tasks in measurement machine builders, measurement technicians and R&D engineers require laser displacement sensors with adaptable ranges at highest resolution , high frequencies, all adaptable interfaces – at an economical price. With the newly designed displacement sensor LDS 72 from ELTROTEC Sensor GmbH the above requirements will be perfectly met. 7 ranges from 5 to 250 mm for all technical surfaces, 3 ranges from 5 to 20 mm for distance measurement on glass surfaces will be available with resolutions starting at 0,6 μm. Adjustable frequencies from 1500 Hz to 375 Hz as well as RS 422/115,2 Kbaud, 4-20 mA and 1-5 VDC interfaces are available. For each range the beginning and end of the measuring range can be teached. This teached measurement range will be adjusted to the full analogue output at full resolution so that the full analogue output is always available – the latest development in this range. The 250 mm range is for high-vibration applications available in 20 g protection class – an advantage whenever high accelerations of large weights are to be measured. ...

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NC Compact System Speeds Setting Up of NC Joining Modules with Force-Displacement Monitoring
 
Kistler: Standard joining processes, such as pressing bearings onto shafts, can be flexibly and reliably automated by the use of electromechanical NC joining modules from Kistler with integral force-displacement monitoring. Kistler's new NC Compact System now makes setting up and operation of these modules quicker and easier. As a closed system with integral controller and firmware it cuts capital expenditure and installation costs, reduces susceptibility to faults and facilitates integration into existing on-site control environments. In addition to the NC joining module with matching IndraDrive servo controller, NC Compact System consists of firmware (NC Compact (Type 2159A)) and operating panel (Type 2158A) with 5,7" TFT touch screen display. The operating panel is used for configuring the parameters of a standard joining process, visualizing the process and backing up data. As it is not needed for ongoing operation, a single panel is sufficient for configuring the parameters of several joining modules. The NC Compact firmware is preinstalled in the IndraDrive servo controller. It includes up to 16 programs with force-displacement monitoring and integral sequence control. ...


Laser Triangulation System
 
MTI Instruments Inc.: MTII's Microtrak family of laser triangulation sensors offer high speed, high resolution displacement, position and vibration measurements. The Microtrak features state-of-the-art CMOS/CCD laser triangulation technology which is ideal for solving tough in-proceess, production and quality control applications. The large variety of laser triangulation sensors provide operating distances to 300mm, measurement ranges to 200mm and measurement resolution to less than 1 micron. The Microtrak II comes standard with an interface controller that provides a convenient digital display of the target position, alarm set points and connections for analog and RS-485 outputs.. ...


Magnetic cylinder sensors - Exact detection of piston positions
 
Baumer Electric: The new, magnetic T and C slot cylinder sensors from Baumer are employed to detect the exact position of pistons in pneumatic cylinders. Many automation technology applications require pneumatic cylinder movements of to be closely monitored and the exact piston position to be detected. In order for the sensor to achieve a precise, repeatable switching behavior, each sensors activation sensitivity is exactly defined and individually tested. The compact and rugged plastic housing offering IP 67 protection provides reliable operation even under the harshest and most moist conditions. The MZTK 06P1003 line of sensors for T slots can be easily and quickly installed in the slot from above. No cylinder disassembly is required, even if both front faces are equipped with installation panels. The universally applicable standard C and T slot sensors can also be used for round cylinders and cylinders with tie-rods. Baumer offers various accessories which permit this. The result is a reduction of the required sensor types and a simplification of the warehousing. All sensors are available in ...


World’s smallest inductive encoder
 
POSIC introduces the world’s smallest incremental inductive encoder kit ID1101 for linear and rotary applications. It measures only 8.7 x 6.3 mm with a thickness of 0.8 mm and has an A quad B output stage that runs up to a frequency of 200 kHz. The linear/rotary target is a 0.8 mm thick strip/disc that comes in different lengths/diameters. The linear resolution ranges from 1 um at a speed of 0.5 m/s to 150 um at 50 m/s. The rotational resolution depends on the disc diameter and is for example 12 bits (1024 A-B pulses per revolution) with a 30 mm diameter disc. Typical applications are in the motion-control domain with magnetic actuators like brushed and brushless motors, voice coil actuators, linear drives and more. Markets served include industrial, automotive, robotics, medical, instrumentation, laboratory automation, office equipment. Evaluation kits with linear or rotational targets are available from stock. ...


High-grade steel sensors - Install and forget
 
This is the motto behind Baumer's new high-grade steel sensors. Baumer is now introducing a generation of high-grade steel sensors that can be used in virtually any product. Combining this with Baumer's signature sensor miniaturization allows simple integration of the sensors into customer-designed housings. With decades of experience in temperature and pressure sensors, its product range has been expanded with many innovations in the position sensor area. Inductive sensors that are now indispensable for automation tasks are being offered in various 1.4404 all-metal versions. Enhanced EMC immunity and expanded temperature ranges up to +100 °C are special features of these sensors. They are available from a diameter of 6,5 mm. Laser distance sensors with accuracies down to the µm range can be used easily both outdoors and in the process area. Protection classes up to IP 69K and their insensitivity to ambient light up to 100 kLux make these sensors unique. Baumer is also setting new standards with the VeriSens® family of vision sensors. The rugged high-grade steel housing is resistant to most aggressive media and suitable for use in the food or pharmaceutical industries. The variety of integrated vision sensors, ...

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Eddy current sensors in tribology testers
 
Eddy current sensors from Micro-Epsilon are once again being used in a new high-performance test system at the Institute for Tribology at the Clausthal Technical University. The new tester, which is currently under construction, will be used to examine the tribological, flow mechanics and rotor dynamic processes of highly loaded sliding bearings at maximum circumferential speeds of the shaft. Based on previous positive experiences with Micro-Epsilon eddy current sensors used on existing testers for examining hydrodynamic radial plain bearings or plain bearings with particularly high loads, eddyNCDT series sensors will also be used in the new tester. In doing so, the shaft reaches circumferential speeds of up to 200m/s; conventional test systems achieve a maximum of 120m/s. The position of the test bearing housing and the relative movement between the rotor and the test bearing is detected in the tester using eddy current displacement sensors. The bearing gap of the plain bearing between bearing surface and rotor is also measured using eddy current sensors. Or this, 22 sensor channels will be integrated in the test structure. Miniature eddyNCDT sensors with 0.5mm measuring range are used due to their high cut-off frequency and high resolution. Another key criterion is the sensor’s small installation footprint. Therefore, measuring points for very tight installation requirements are possible without requiring any disruptive modifications to the test design. High environmental compatibility is also a key reason for selecting eddy current sensors: oil or water in the measuring gap ...


Noncontact position sensor exploits FPGA technology for higher performance
 
The new ECL202 eddy-current displacement sensor /position sensor has significantly improved thermal stability and immunity to electromagnetic interference (EMI) as well as improved linearity and resolution. The sensor employs FPGA technology enabling complex, proprietary mathematical algorithms to achieve higher performance levels than purely analog methods. According to Don Martin, president of Lion Precision, “Using FPGA digital processing techniques, we can achieve performance that simply is not possible with discrete analog electronics.” Digital technology can very precisely detect the sensor’s signal and more easily differentiate it from other electrical signals present in the sensing environment. This means the sensor continues to work well in electrically noisy environments such as near motor controllers or other high-power switching electronics. Using this same proprietary method, multiple ECL202 sensors can be positioned near each other without the mutual interference usually experienced with eddy-current sensors.  ...


Microtrak II - Laser Triangulation Systems
 
High speed laser sensor utilizing the latest CMOS / CCD technologies ideal for industrial/process automation and quality control applications. MTI Instruments Inc.: High Speed Laser Sensor utilizing the Latest CMOS / CCD Technology. The Microtrak II features state-of-the-art CMOS laser triangulation technology for precise measurements of displacement, position, vibration and thickness. Unaffected by surface texture, color or stray light, the Microtrak II Laser Measurement System is ideal for solving tough production applications throughout a variety of industries. Applications: * Thickness, * Warpage, * Alignment, * Displacement, * Vibration, * Step Height, * Run-out, * Go/No Go Decisions, * Presence/Absence, * Fill Height, * Flatness, * Profile, * Thermal Expansion/Contraction, * Structural Dynamics, * Dimensional Gauging. ...


Sealed linear transducer for rugged industrial applications
 
Penny + Giles has launched a new contactless sealed linear transducer that provides reliable, fit-and-forget position sensing for rugged industrial applications. The robust SLT190 is aimed primarily at the off-highway (construction, agriculture) and utility vehicle markets and is suitable for the harsh conditions of steering position applications, lift mechanisms, and hydro-pneumatic active suspension systems. This transducer has a short body to stroke length ratio for compact dimensions making it ideal as a replacement for existing linear potentiometers whilst providing a significant cost saving over equivalent stroke inductive transducers. The SLT190 provides a range of 14 different strokes between 25 and 500 mm. It uses proven inductive technology, with no electrical sliding contacts, and as a result, has a virtually limitless life. It provides reliable, absolute analogue position measurement with an infinite resolution. ...


Position Sensors for all your solutions!
 
For over 40 years now, Crouzet/CST (Custom Sensors & Technologies), the sensors division of Schneider Electric, has been assisting its customers in the design and creation of automation products to meet all their equipment and industrial machinery needs, whatever their business sector. The quality of the Position Sensor range is inherent from the outset - from the product's design right through to its integration at the heart of your application, it meets the growing demand for customisation. In addition to its complete range of microswitches and digital position sensors, as a specialist in the "Sensors" domain, Crouzet/CST offers a wide range of analog position sensors, thus helping its customers as they change over to a different technology. In developing its expertise in the field of analog position sensors and especially in its capacity to design customised products, Crouzet relies on its dedicated position sensor Design Office, where adapted products can be designed and industrialised for all types of sensor. ...

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Universal Conditioning Module for inductive transducers
 
Penny + Giles, designer and manufacturer of high precision position sensors, has launched a new Universal Conditioning Module (UCM) that provides reliable signal conditioning for a wide range of analogue inductive transducer types. The module can work with any manufacturer’s transducer and is suitable to drive 4, 5 or 6 wire differential LVDTs, ratiometric LVDTs and 3 wire inductive half bridge transducers (or RVDT equivalents). UCM has a low current requirement of less than 10mA and can be linked and synchronized with up to 50 modules in one network for multiple channel measurement systems. The UCM provides a simple 0.5 to 4.5Vdc analogue signal output, or by using additional module cards, into a variety of different voltage ranges, a current output, or digital PWM output. It normally operates from an unregulated 10 - 30Vdc supply. ...


Fiber Optic Measurement Systems
 
MTI Instruments Inc.: MTII offers advanced fiber-optic based measurement instruments and sensors for displacement, position and vibration applications. With frequency response to 500 kHz and resolution to 2.5 Angstroms these sensors are ideal for high performance measurement applications that require non-contact sensing technology. High resolution vibration measurements are provided through MTII's MTI-2100 Fotonic sensor which offers both digital and analog outputs of vibration and displacement. Customized fiber-optic probes are available for high temperature and harsh environment applications. ...


In-cylinder transducer offers reliable position sensing
 
Penny + Giles has launched a new in-cylinder linear displacement transducer for small bore mobile and static hydro-pneumatic actuators. The ICT050 provides reliable, fit-and-forget position sensing of the cylinder rod in actuators with strokes up to 500mm. It is a robust, non-contact transducer that works on an inductive coil principle, with virtually infinite resolution and is capable of withstanding temperatures up to 200°C and working pressures up to 500Bar. The new transducer is aimed primarily at the off-highway (construction, agriculture) and utility vehicle market. Its robust construction is ideal for the harsh conditions of lifting and steering position applications and hydro-pneumatic active suspension systems. ICT050 has a very efficient body-to-stroke ratio. The overall length is only slightly longer than the working stroke length, facilitating a much more compact installation than can be effected with traditional linear transducer designs. The stroke range covers 25mm to 500mm stroke actuators and the transducer body ...


MICROTRAK II Stand-alone laser sensors, Laser Triangulation Systems
 
High speed laser sensors designed to operate independently, without a controller, for high volume OEM, production and QC application. MTI Instruments Inc.: MTII now offers the performance of our standard Microtrak II Laser Triangulation System in a versatile high speed stand-alone configuration for measuring displacement, position, vibration and thickness. Unaffected by surface texture, color or stray light, the Microtrak II is ideal for solving tough production measurement applications throughout a variety of industries. The new Microtrak II Stand-Alone Laser Head uses the latest CMOS - CCD detection technology for accurate and reliable measurements making it ideal for high volume OEM, production and quality control applications. Configuration of system parameters such as measurement units, frequency response and cut time are easily accomplished through a laptop or desktop using the included MTII proprietary Remote Control Software program. Applications: * Thickness, * Warpage, * Alignment, * Displacement, * Vibration, * Step Height, * Run-out, * Go/No Go Decisions, * Presence/Absence, * Fill Height, * Flatness, * Profile, * Thermal Expansion/Contraction, * Structural Dynamics, * Dimensional Gauging ...


Capacitance Measurement Systems
 
MTI Instruments Inc.: Highly accurate, stable capacitance measurement sensors and probe systems for a wide variety of displacement, position, vibration and dimensional gauging applications. Our Accumeasure product line consists of single and multiple channel capacitance rack systems that can accept up to 10 capacitance sensors with individual analog measurement outputs. Custom OEM capacitance sensors are available for intergration into machine tools and inspection systems with linearity to 0.01% of the measurement range.  ...

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MTI-2100 FOTONIC - Fiber Optic Measurement Systems
 
Extremely high resolution fiber-optic sensor for vibration and displacement measurements. MTI Instruments Inc.: The MTI-2100 features advanced fiber-optic and electronic technologies for precise measurements of displacement, position and vibration. It sets new performance standards with resolution up to 0.01 uin. (2.5 Angstroms) and frequency response from direct-coupled (dc) up to 500 kHz. The MTI-2100’s modular design has the flexibility to be tailored to specific requirements through the use of a wide range of interchangeable and custom fiber-optic probes. These probes are immune to electromagnetic interference (EMI) and operate on almost any type of surface: metallic, composite, plastic, glass, ceramic or liquid. Applications: * Modal Analysis, * Ultrasonic Horn Vibration, * Displacement, * Position Sensing, * Fatigue Testing, * Surface Flaw Detection, * Edge Detection, * Piezo Motion, * Bearing Analysis. ...


Accumeasure 1500 - Capacitance Measurement Systems
 
Affordable, multi-channel capacitive measurement sensors for a wide variety of general gaging applications. MTI Instruments Inc.: Affordable Non-contact Gaging Sensors. The Accumeasure 1500 is a multi-channel capacitive displacement sensor for production, quality control or laboratory applications. With a frequency response up to 5 kHz, and low noise levels, it is ideal for a multitude of general gaging applications. Using a patented approach, the probe to target gap is converted to a linear 0-10 Vdc output. Displacement, position or vibration is presented on the digital display, or can be output to an oscilloscope or data acquisition system. Optional push/pull probes are available for ungrounded targets. Applications: * Dimensional Gaging, * Shaft Runout, * Structural Analysis, * Film Thickness, * Motor Vibration, * Micro-Positioning, * Web Thickness, * Alignment, * Leveling ...


Accumeasure MicroCap - Capacitance Measurement Systems
 
Custom High Accuracy OEM solutions for micro-positioning and feedback control applications. MTI Instruments Inc.: The Accumeasure MicroCap is a compact, custom designed, OEM capacitance system for high-precision non-contact measurement. It provides exceptional value and offers sub-nanometer resolution, extremely high stability and fast response time, making it ideal for micro-positioning, thermal correction, focusing and closed loop control applications. The MicroCap utilizes MTII’s latest capacitance amplifier design, backed by nearly 50 years of product line history and thousands of installations worldwide. Applications: * Servo-loop positioning control, * Precision dimensional gauging, * Lens adjustment/focusing, * Flatness and profile measurements, * Vibration monitoring, * Shaft run-out and analysis, * Thermal expansion monitoring ...


ACCUMEASURE 5000 - Capacitance Measurement Systems
 
High frequency capacitive measurement sensor for displacement, vibration and runout measurements with nanometer accuracy. MTI Instruments Inc.: High-Precision, Non-contact Displacement and Vibration Measuring System with Nanometer Accuracy. The advanced amplifier circuitry provides a frequency response from dc to 20 kHz with a corresponding noise level of 0.01 mV rms/Hz√0.5 The Accumeasure 5000 can be used with any of MTI's standard or custom designed miniature sensor probes for unmatched linearity, stability and resolution. The Accumeasure System 5000 is available in either single or dual channel designs. The dual channel model includes a summing amplifier for applications that require sum or difference measurements. Applications: * Spindle Runout, * Displacement, * Flatness, * Engine Dynamics, * Positioning, * Profiling, * Vibration, * Structural Dynamics, * Dimensional Measurements ...


ACCUMEASURE 9000 - Capacitance Measurement Systems
 
Ultra-high precision capacitive measurement sensor offering nanometer accuracy and stability. MTI Instruments Inc.: An Ultra-high Precision Capacitance Gage Offering Nanometer Accuracy. Outstanding accuracy, stability and repeatability are the hallmarks of the Accumeasure System 9000, a high-resolution, capacitance-based instrument that provides the perfect solution to many previously unattainable measurement applications. Fast response time and extremely low noise levels make it ideal for critical measurements of targets such as rotating spindles/shafts, disks, tires, X-Y stages and semiconductor wafers. The AS-9000 delivers nanometer level resolution for ultra-high-precision measurements - each and every time. It is portable, lightweight, compact, and setup is fast and easy. Applications: * Positioning, * Vibration, * Profiling, * Displacement, * Go/no-go Decisions, * Focusing, * Thickness, * Dimensional Gaging, * Alignment ...

 

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