Straightforward CW/CCW throttle position sensing.

Variohm EuroSensor’s VTP11 series rotary position sensor continues to impress for affordable throttle position sensing throughout motorsports. Its thoroughly proven resistive element technology, based on a conductive plastic track and multiple fingered wiper assembly, enables the durability to maintain full sensing contact even in the most arduous shock and vibration conditions as well as providing an operational life of 5 million cycles.

VTP11 installed as a throttle position sensor.
(pic courtesy of EFI Hardware - Australia)

The VTP11’s IP66 rated, fully sealed and encapsulated glass-filled PBT housing features simple 32.5 mm PCD flange mounting and combines with its 8 mm through-hole D-shaft drive to allow front- or rear-side installation for convenient CW/CCW measurement set-up.

Variohm’s VTP11 installed as a throttle position sensor - courtesy of EFI Hardware - Australia

Firmly aimed at throttle position sensing although suitable for other motorsports position measurement tasks such as steering angle, suspension, and gear selection, the VTP11 has a wide, 97⁰, measurement range and a generous 112⁰ mechanical rotation. Linearity is specified at +/- 1% and resistance value is 5 kΩ +/- 20% with a 5 … 24V DC supply voltage. Electrical connection is via 208 mm long insulated leadwires as standard with optional connectors on request. To withstand the arduous engine conditions in motorsports, the position sensor has a temperature rating of -25 to +125⁰ C with short term peaks to 150⁰ C for 15 mins.

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