H2-Low Pressure Sensor LPS
For fuel cell systems
Our low pressure sensor LPS was specially developed for use in hydrogen (H2) applications, such as fuel cells.
With its variants for pressure ranges up to 6 bar, the sensor is designed for measuring low pressures in stationary and mobile applications.
Materials that come into contact with fluids have been selected in accordance with the requirements for use with hydrogen and withstand the high stresses of use in hydrogen environments, even over long service lives. For an optimal integration in systems, the sensor is available with analog or digital (SENT) output signal.
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FIELDS OF APPLICATION
- Industrial and automobile application on fuel cell systems
FEATURES
MEMS-Si measuring element with oil reservoir
Very good hydrogen compatibility
- Use of fluid-compatible materials
- Burst-proof and long service life
Several design variants available
- Analog output voltage as well as SENT output
- Flange connector for direct contact to the system
TECHNICAL SPECIFICATION
Measurement range | |
Nominal pressure | 0–6 bar |
Over pressure | 2× nominal pressure |
Burst pressure | 3× nominal pressure |
Pressure type | Absolute |
Electrical characteristics | |
Supply voltage | 5 V±0.25 V |
Current consumption | max. 10 mA |
Output signals | SENT, analog |
Mechanical characteristics | |
Measuring element | MEMS-Si element with oil reservoir |
Housing material | Plastics |
Pressure connection | Flange with o-ring |
Thread | None |
Electrical connection | 3-pin MLK connector |
Installation position | Any 1) |
Weight | approx. 38 g |
Accuracy | |
Total error | Standard accuracy ±1.0 % FS @ 0–50 °C, ±1.5 % FS @ −40–120 °C |
Environmental conditions | |
Operating temperature range | −40–120 °C |
Media temperature range | −40–120 °C |
Media compatibility | Hydrogen, air, nitrogen, coolant (DI-water, ethylene glycol) |
1) Except freeze resistant installation |
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