Hall effect sensor for safety critical applications in trucks

1st March 2006
ES Admin
Cherry has released its new Hall Effect sensor for critical braking applications in lorries and HGVs. Located in the brake booster assembly, the way-measuring-unit consists of a magnet and an analogue hall-sensor with linear programmable voltage characteristics.
Hall Effect sensors operate on the principle of sensing magnetic field changes, and are essentially immune to dust, oil and other sources of contamination which can cause severe malfunctions in optical sensors.

This assembly produces a permanent signal that monitors the brake-assist systems, assuring its reliability and determines how hard the brakes are being applied. In the case of an emergency stop, this information can be utilised to trigger the braking system and ensure both pneumatic and hydraulic pressure brings the vehicle to a halt.

The device operates at temperatures between -40 and +140degC.

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