Linear position Hall effect sensor features short electrical strokes from 0 mm to 10 mm
January 24, 2012 // Paul Buckley
Vishay Intertechnology, Inc. has released a new linear position sensor featuring non-contacting Hall effect technology. Covering short electrical strokes to 10 mm max and available with a spring return system, the 20 LHE is optimized for applications in harsh environments requiring long-life sensors.
The Hall effect technology of the new 20 LHE gives it the ability to perform in conditions involving high-frequency vibrations up to 20 G and shocks up to 50 G. With a long life of 10 million cycles, the device is ideal for short stroke measurements in industrial applications including tillers heads for fork lift steering; tractor gear shifts; truck tilt sensors; and pressure measurement and pedal displacement systems.
The 20 LHE features accurate linearity down to ±1%. The sensor offers analog ratiometric or digital PWM output, and provides continuous performance for the life of the device with no drift of linearity. The 20 LHE operates with a supply voltage of 5 V ±10% and supply current of <16 mA typical, and withstands +20 V overvoltages and −10 V reverse voltages. The recommended load resistance is 1 kΩ for analog output and PWM output. The device is compliant to RoHS directive 2002/95/EC.
Samples of the 20 LHE are available now. Production quantities will be available in Q1 2012, with lead times of 12 weeks for large orders.
More information about the 20 LHE linear position sensor at http://www.vishay.com/docs/57115/20lhe.pdf
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Internet of Things (IoT) manufacturer Ciseco has launched the Raspberry Pi ‘Wireless Inventors Kit’ (RasWIK), featuring 88 pieces to provide everything a Pi owner needs to follow a series of step-by-step projects or to create their own wireless devices, without the need for configuration or even writing code.
RasWIK has been designed to be highly accessible, demystifying the dark art of wireless and enabling anyone with basic computing skills to begin building wireless devices with a Raspberry Pi. You can create anything from a simple traffic light, to a battery monitor, or even a temperature gauge that sends data to the Xively IoT cloud so billions can access the data.This month, Ciseco is giving away twelve Raspberry Pi Wireless Inventors kits, worth £49.99 each for EETimes Europe's readers to win.
And the winners are...
In our previous reader offer, Farsens was giving away five kits for EEtimes Europe readers to evaluate its FenixVortex, Kineo and X1 wireless, battery free sensor tags.
Lucky winners include Mr A. Neil from the UK, Mr. E. Delvaux from Belgium, Mr Lengal from the Czech Republic, Mr H. Bijlsma from the Netherlands, and Mr G. Pfaff from Germany. All should be receiving their packages soon. Lets wish them some interesting findings with their projects.
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