Multiple section potentiometer for industrial use

23 September 2014

Conductive plastic potentiometers for position sensing are commonly used for automotive engineering and many other industrial applications.

They are inexpensive and offer great precision.  And with more than 50 to 100 million wiper movements, the life expectancy of higher-end versions is suitable for even intense mechanical requirements.  But the potentiometer technology is continuously advancing, as evidenced, for example, by the new, highly durable multiple section potentiometers.  With multiple channels, they are well-suited for applications requiring redundancy.  

Sensor technology specialist Novotechnik can now offer a multiple-section version of its P2500 potentiometer, featuring up to six channnels.  This component is said to be particularly well-suited for applications where safety is a concern.

A combination of plastic resistive track and multi-pronged precious metal wiper, a sturdy full-metal housing, and a durable 6mm stainless steel shaft offer a long service life free of contact issues. 

The potentiometer is offered with rotation angles of 120, 240, or 345 degrees and allows continuous mechanical rotation. The unit offers a resolution degree of 0.01 and a linearity of +/-0.3%.  Additionally, the channels are calibrated to be well synchronised with each other. Maximum operating speed is 2000 rpm. 

The P2500, with up to six channels is available in the UK from Variohm EuroSensor.

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