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Racing » Products » Sensors » Pressure sensors » Brake pressure
Brake Pressure Sensor
Description
This brake pressure sensor is specifically designed for measuring the high pressures in automotive braking systems. It is extremely robust and resistant to brake fluids, mineral oils, water and air.
Technical Data
Pressure range (bar) | 250 |
(Mpa) | (25) |
Offset accuracy (Uv) | 2.0% |
Sensitivity accuracy at 5V | ≤0.7% |
In range 35...250 bar (value) | ≤5.0% (of measured value) |
Power supply voltage Uv (V) | 5 ±0.25 |
Power supply current Iv (mA) | ≤20 |
Output current ID (uA...mA) | -100...3 |
Output voltage (V) | 0.5 - 4.5 |
Temperature range (°C) | -40...+120 |
Overpressure max. Pmax (bar) | 350 |
Burst pressure Pburst (bar) | >500 |
Tightening torque Ma (Nm) | 20 ±2 |
Pressure port thread | 3/8 x 24 UNF |
Overal length (mm) | 55 |
Note: All data are typical values
Design and function
Pressure measurement results from the bending of a steel diaphragm on which are located polysilicon strain-guage elements. These are connected in the form of a Wheatstone bridge. This permits high signal utilisation and good temperature compensation. Part of the evaluation IC is applied for a diagnostic function which can detect the following potential defects:
- Fracture of a bonding wire to the measuring cell.
- Fracture anywhere on any of the signal lines.
- Fracture of the bridge supply and ground.
Following switch-on the sensor runs a self-test diagnostic function checking for correct calibration and functionality. During normal operation a diagnostic function checks for errors. If an error is detected, the signal output is switched to the voltage range >96% Uv.
For further information on the brake pressure sensor please visit our Knowledge Base here
Note: all prices are exclusive of VAT at 20.0%
Phone: +44 (0) 1773 537620
Fax: +44 (0) 1773 537621
Email: sales@race-technology.com