Linear position sensors suitable for harsh environments

15th November 2016
Posted By : Alice Matthews
Linear position sensors suitable for harsh environments

A range of linear and angular position sensors from ZF pursue new ways in terms of efficiency. Based on a modular system, the sensor is available as an ANG version for angular position measurements or as a LIN-version for linear position measurements. Whereas the ANG-series adds to the existing range of angular position sensors, the linear position sensor provides options for ZF customers.

Possible applications for these sensors include as hydraulic valves, hydraulic controls, electric drives, pneumatic controls, gear selection/ shifting position, ride height and level position detection, throttle valve and pedal position, steering wheel position or as a zero-contact encoder alternative.

IP68 classification also makes these sensors universal for use in rough environmental conditions. They comply with industrial/ automotive EMC/EMI directives and come with a 12-bit resolution. Due to their compact size, the ANG- and LIN-series require less space than other sensors with a similar performance. The mounting height is 6.5mm which is a flat design for linear and angular position sensing.

The LIN-series can measure a range of up to 45mm, while the ANG series provide a programmable measuring range from 0-360°. Due to the quality of the components used, both sensors come with an overall accuracy of ±2% full scale and a linearity of the output signal with ±1% full scale. Custom programming is available for: range, slope and PWM output thus allowing an excellent modification to individual requirements. No mechanical interface means no parts to wear out or jam.

The LIN- and ANG-series sensors are non-contact linear position sensors with one or two independent outputs. The sensors operate through the use of Hall Effect technology with magnetic fields generated by permanent magnets. They provide a linear change in voltage output (ratiometric to the input voltage) corresponding to a linear displacement of the actuator magnet. The LIN-sensor includes an actuator magnet which specifically paired to the sensor and is required to assure proper operation.

Both sensors are RoHS Compliant and suitable for wide air gap applications

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