New throttle position sensors in hollow- and D-shaft versions that features Hall effect technology for applications in harsh environments, the 981 HE Series is now available from TTI.

The Hall effect technology of the new 981 HE device gives it the ability to perform in conditions involving high-frequency vibrations up to 20 G and shocks up to 50 G over a temperature range of -45C up to +125C, providing a strong advantage over other technologies.

With all electrical angles available up to 360 degrees with no dead band, the device features accurate linearity down to ±0.5%. The sensor offers a long life greater than 10 million cycles for the D-shaft version, and greater than 5 million cycles for the hollow-shaft version. The 981 HE component provides continuous performance for the life of the device with no drift of linearity. Spring-loaded versions of the device are also available.

The sensor offers a supply voltage of 5V ±10 %, with other values available upon request. The device features a typical supply current of 10mA, and 16mA for PWM output. The 981 HE offers +20V over-voltage protection and -10V reverse voltage protection. The recommended load resistance is 1kohm for analog output and PWM output. Redundant output signals are available upon request.

The sensor is optimized for foot pedal position sensors, throttle position sensors, steering position sensors, drive-by-wire, lift and shuttle position sensors, tilt control and tilt positioning feedback, and suspension system position sensors in marine, avionics, fork lift trucks, farm equipment, cranes and automotive applications.