Feature

Linear position sensor now with improved sealing option

Variohm EuroSensor’s ELPM motorsports series linear position sensor now includes an optional internal dual-lip seal arrangement that offers enhanced reliability and improved endurance.

13/09/2015 10:08:32

The option will suit all areas of motorsports as well as industrial applications where unpredictable wet and hostile environmental conditions may exist.

The S option (ELPMS) is available across the full range of the sensor series, covering electrical stroke lengths from 12.5mm to 175mm (in 25mm increments) for both the standard self-aligning pivot bearing version and the ‘Pop’ version that includes snap-on mountings for rapid installation or removal.

The improved sealing option does not increase the 9.5mm diameter cylindrical housing or the overall mounting length, which is shorter and more compact than competitive linear sensor devices.

The independent linearity across the range is +/-1 percnt for the 12.5 to 50mm versions and +/- 0.5 percent for the 75 to 175mm versions. The ELPM has a temperature range of -30ºC to +150ºC continuous with a short term rating to 175ºC.

Rated at 25 million operations and with a maximum speed of 10m/sec, the ELPM and ELPMS series features a multi-fingered precious metal wiper system which maintains full and complete contact with the linear sensor’s conductive plastic resistance element with very low electrical noise.

The 24Vdc supplied sensor has a recommended wiper current of only 10µA for maximum efficiency in battery powered use and is supplied as standard with a 500mm free cable with a Viton seal.

Written By Sophia Bell

Sophia Bell is the Group Editor of DPA, Connectivity, and PBSI. She joined the team in 2020 as Assistant Editor after achieving a First-Class Honours BA in English Literature and Film Studies from the University of East Anglia. In her current role, she leads the editorial strategy, driving digital growth and ensuring each title continues to deliver trusted, relevant insight for engineering and manufacturing professionals.