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Pressure transmitter now with SIL evaluation
 
Model IS-2X pressure transmitter with SIL 2 classificationWIKA has reacted immediately to the new safety standards within the process and machine-building industries: The Model IS-2X intrinsically safe pressure transmitter is now available with SIL 2 classification. In order to enable the use of the IS-2X in SIL applications the most important safety-relevant data have been determined and summarised in an additional data sheet for safety-related data. These include the Average Probability of Failure on Demand (PFDa), the Hardware Fault Tolerance (HFT) and the Safe Failure Fraction (SFF). Process industry customers need this information for a SIL evaluation of the complete scope of application. For the requirements of machine building, MTTFd (Mean Time To Dangerous Failure) values are provided in order to be able to determine the Performance Level (PL). The versatile pressure transmitters of the IS-2X family ...





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LIN dual core embedded in Melexis’ MLX81200 sensorless BLDC controller
 
Sensorless BLDC motor controllerMelexis: The integrated LIN transceiver of the MLX81200 high temperature flash controller has been certified according to LIN1.3, 2.0, 2.1 and SAE-J2602 physical layer specifications. Combined with the certified LIN API’s (application programming interface), the MLX81200 is now able to apply its proven TruSense sensorless technology in the growing field of BLDC applications with a LIN interface, from sine wave controlled HVAC blowers to 200W on-demand water pumps. The MLX81200 features the Melexis LIN dual core architecture. This dual core allows customers to develop their application code independent from the LIN task. The application software, which runs on the 16bit application MCU, runs independent from the communication task which runs on the other core. Validated application code does not have to be revalidated when switching between the different LIN standards. The Melexis LIN API has been validated on the LIN1.3, 2.0, 2.1 and SAE J2602 Data Link Layers, and is in production on a wide range of other dual core LIN products, including motor controllers, IO extension modules and sensors. ...





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Website offers tips for increasing industrial efficiency
 
HBM has launched a new special topics section on its website devoted to increasing efficiency in industrial development, research and production. The section contains case studies that focus on how different companies have increased the efficiency of their development and production phases. It also shows how examining the complete design and production process can produce products using less energy. Topics include how efficiency improvements to the fuel injection systems of diesel engines can make the engine even more fuel-efficient. Another article shows how up to 90% of the development time for wind turbines can be saved by using modern software. ...





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in week 49/2009:


New Contact-Free Capacitive Level Switch Allows For Complete Media Compatibility
 
Contact-Free Capacitive Level SwitchSensortechnics’ new CLW series detects point levels of liquids and granular or pulverised materials without contacting the media. The user can easily adjust a high and low switch point with a hysteresis of less than 25 mm. The CLW device uses a new non-invasive capacitive sensor technology and allows for complete media compatibility and sterility. Due to its miniature size these level switches can be perfectly integrated into OEM devices. The CLW sensor can be mounted to the outside of a container or vessel and is able to measure through almost any non-metallic wall material. The level switch is highly flexible and can be easily calibrated to measure to the desired levels, media and application set-up. The CLW series achieves a very high accuracy and reliability due to an additional reference electrode which compensates for all changes in ambient environmental conditions such as temperature and humidity. Additionally, Sensortechnics can also provide continuously measuring level sensors based on the same contact-free capacitive technology.  ...





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New measuring principle for low cost displacement sensors
 
Magnetic Displacement Sensor MDSMicro-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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High Shock Accelerometers, 3200BM & 3200BT Series
 
High Shock Accelerometers, 3200BM & 3200BT SeriesDytran 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. ...





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GH15D – The new reference in M5 pressure sensors for combustion analysis for bores down to 5.7mm
 
GH15D – M5 pressure sensors for combustion analysisAVL recently released the new pressure sensor GH15D which allows the most precise measurements for combustion analysis with a sensor of its size. The high performance of this front sealed mounted sensor is realized by using thermally optimized piezoelectric elements and the special Double-Shell design which decouples the piezoelectric elements from negative influences of thermal expansion and other mechanical effects. The connection between sensor and the piezoelectric cable is realized in M3 size. This makes it possible that the sensor can be mounted into bores down to 5.7mm. The sensor is equipped with sensor identification (SID) which supports Sensor Data Management (SDM). ...





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PACTware live training: breaking down the barriers of proprietary configuration tools
 
PACTware Multi-Vendor DemowallKROHNE: After last years success, the 2009 PACTware Roadshow again was present in german centers of process automation. It offered a unique opportunity to draw together customers of different industries to share ideas and best practices that will help improve their business performance. Participants were trained in the fundamentals of this new and advanced configuration tool for field devices and network components. They learnt how PACTware and the related FDT/DTM technology provide access to device intelligence and how PACTware brings increased openness in field device configuration management. In three workshops being repeated twice in parallel, the attendees were trained how Pactware and the DTMs increased the customer’s benefits during commissioning, operation and maintenance of a plant. ...





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New ultra compact 150W and 300W enclosed Switching Power Supply
 
Switching Power SupplyPEWATRON AG: After launching the SPV-1500(1500W) series from Mean Well, a single output enclosed type power supply with programmable output voltage function, PEWATRON extends its product range to the lower wattage of 150W and 300W ─ SPV-150 and SPV-300 series. By adding a 1~5.5 VDC external control signal, the output voltage of both series can be trimmed from 20% to 110% of the rated value, which greatly increases the flexibility to the system end users and adequately fulfils the demand of equipment that require a switching between different output voltages. SPV-150 and SPV-300 are built with a high frequency switching technology design and possess efficiency up to 83% (SPV-150) and 86.5% (SPV-300) respectively. SPV-150 series can be cooled by only using free air convection for up to 40°C under full load condition while SPV-300 series are cooled by built-in long life DC fan with fan ON/OFF control which can be operated up to 50°C of ambient temperature. ...





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News from the Little Ones – Absolute Rotary Encoders, Now with Functional Safety Even for the 35-mm Design
 
Absolute Rotary EncodersHEIDENHAIN has expanded its range of standard rotary encoders with 35-mm housing diameters, and presents a new generation of rotary encoders with IP 64 protection, absolute position-value formation and functional safety. This will open up a market for new applications in automation technology, medicine technology and the electronics industry. The EnDat 22 version of the new absolute rotary encoders with purely serial data transfer offers a singleturn resolution of 23 bits, and a multiturn resolution of 12 bits. The supply voltage range is from 3.6 V to 14 V. Safety-oriented position encoders with functional safety provide two independently formed position values via the serial bidirectional EnDat interface. They are certified according to the EN ISO 13849, EN 61508 and EN 954-1 standards for performance level d, safety integrity level 2 and category 3, ...





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New WIKA pressure transmitter C-2 - specifically for air compressors
 
WIKA C-2 pressure transmitter for air compressorsWIKA has developed the new C-2 pressure transmitter for pressure measurement in screw-type, reciprocating and turbo compressors. It features a particularly robust and compact design and an exceptional price/performance ratio. With the C-2, compressor manufacturers and manufacturers of measurement and control components for compressors will get a high-quality pressure transmitter that is optimally matched to the requirements of the market. Measuring ranges from 0 ... 6 up to 0 ... 60 bar, along with the established output signals and electrical connections, meet the standards usual in the market. ...





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Sturdy, Versatile and User-Friendly, Bürkert Presents Basic Version of New Positioner
 
Positioner SideControl BASIC Type 8791Bürkert has expanded its line of digital electropneumatic positioners for pneumatic actuators with the SideControl 8791 Basic; the new version, which has no display, is designed for universal applications at an excellent cost-performance ratio. The new 8791 positioner is the basic version of the SideControl 8792 and 8793 positioners introduced in April 2009 and is specially designed for ease of operation. Yet the SideControl 8791 features the same reliable electropneumatic positioning system for excellent control accuracy and dynamics. As it can be mounted in various different ways to linear and rotary actuators according to IEC534-6 and VDI/VDE 3845 (Namur) as well as to Bürkert process valves, the 8791 is extremely flexible and suitable for a wide range of applications. This positioner is also ideal for use in harsh environments due to its compact, sturdy aluminium housing with protection class IP65/67. ...





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Application of Draw Wire Transducers in a burial monument
 
Draw Wire TransducersWayCon 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 ...





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HeavyDuty technology with enhanced monitoring system (EMS)
 
Baumer encodersBaumer encoders are designed for utmost reliability under most adverse conditions, and the many decades of dependable operation in customer applications give proof of that. However, there are some applications where trust is not enough – regardless of most reliable technology. Baumer has taken this aspect into account and embedded a function-checking system in their new encoder series HOG 9.2 and HOG 10.2 (fig. 1). Identical in mechanical design to HOG 9 and HOG 10 that have proved absolutely reliable in tens of thousands of applications, the enhanced HOG 9.2 and HOG 10.2 feature the so-called “Enhanced Monitoring System” (EMS). The basis is a rapid microprocessor which continuously monitors all encoder functions over the full speed range. Any eventual malfunction or error is quickly and reliably detected. By an alarm output the control is informed of any error occurred. The prevailing operating status is visualized by LED provided at the encoder housing. But the new HeavyDuty encoders are ...





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Sensors & Measurement News in week 48 '2009    <<   >>  Sensors & Measurement News in week 50 '2009


 

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