48.5° Non-Contact, Rotary Position Sensor, Hall-Effect, Operation from a 5V Supply, Dual On-Board Circuits Providing Truly Independent Voltage Outputs.
The Curtiss-Wright’s (Product Brand: Williams Control) WM-830 is a cost-effective rotary sensor utilizing proven Hall-effect technology to ensure accurate and reliable measurement of angular position. Mechanical engagement with the rotating portion of the sensor is via a slotted cavity, while the electrical output span corresponds to a rotation of 48.5°.
- No-contact, Hall-effect technology
- Internal shaft
- Measurement angle 48.5°
- 5V supply
- Dual-redundant outputs
- Fail-safe outputs
- Voltage or PWM output options
- Environmentally robust
- Packard Electric ‘Metri-Pack’ 150 series connector
The operation is from a 5V supply, typically derived from the electronic control unit to which the sensor is connected. Dual onboard circuits are electrically isolated from each other, so providing truly independent voltage outputs – one at 50% the level of the other – thereby allowing the host electronics to detect output errors. Further integrity is provided as the outputs enter pre-defined states in the event of connection errors to the sensor.
PWM output options are also available on request.
A robust mechanical design offers exception levels of performance with respect to water and dust, shock, vibration and temperature, meaning the sensor is ideal for use in hostile, on- and off-highway vehicle environments.
Connection to the WM-830 is via the industry-standard, Packard Electric ‘Metri-Pack’ 150 series of connectors, which offer high-reliability performance across all operating conditions.
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Measurement Angle 48.5° Common for many electronic throttle pedal designs Height, Length, Width H. 77.22 mm x L. 26.05 mm x W. 43.5 mm - Connection Industry-standard, Packard Electric ' Metric-Pack' 150 series Offers high-reliability performance across all operating conditions - - Mechanical Validation - - Full Stroke Cycles 10 million Cycle Rate 2Hz
Analog Voltage Circuit Operational supply voltage (Vcc1, Vcc2) 4.5-5.5V Non-operational supply voltage (Vcc1, Vcc2) 24V to -12V Supply current 15mA Output current 15mA
Operating Temperature Range −40C to +85°C - Storage Temperature Range −40C to +105°C - Thermal Cycle / Stress SAE J1455 -40°C to 85°C - Thermal Shock −40C to +85°C - Humidity 120 hour exposure at 95% humidity from 27°C to 75°C - Vibration Random broadband 5-500Hz, 4G - Salt Fog ASTM B-117 96 hour exposure - Dust Exposure 24 hour exposure cycles - Chemical Exposure Diesel fuel, brake fluid, anti-freeze and plastic protectant exposure - Mechanical Shock SAE J1455 one meter drop to concrete - EMI Resistance SAE J1113-1 and E-mark compliant -
Custom Options Contact GS Global Resources for more details - Measurement Angle 15-360° - PWM Output 200-1500Hz -
Custom Options Contact GS Global Resources for details - Measurement angle 15-360°
A robust mechanical design offers exception levels of performance with respect to water and dust, shock, vibration and temperature, meaning the sensor is ideal for use in hostile, on- and off-highway vehicle environments -
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- Curtiss-Wright Pressure Sensors General Specification Information (PDF)
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- New Rotary Position Sensor Launched Curtiss-Wright WM-830 (News)
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