MPM280Au Pressure Sensor
Measuring element, specially developed for hydrogen measurement applications
Key features
- Pressure range: -1bar...0bar ~ 0.35bar...200bar
- Gauge / sealed gauge / absolute
- Isolated structure, Suitable for hydrogen pressure measurement
- Φ19mm OEM pressure element
- Corrugated diaphragm with gold plat
About the MPM280Au Pressure Sensor
MPM280Au pressure sensing element is a measuring element specially developed for hydrogen measurement applications. The sensor is flat membrane structure and adopts gold plating techniques on the membrane to effectively prevent “hydrogen embrittlement" and "hydrogen penetration". It improves the working life of the sensor as well as ensure the site safety. MPM280Au pressure sensor selects the high-precision and high-stability diffusion silicon piezoresistive pressure sensitive chip produced by famous international manufacturer. The pressure
sensitive component is automatically tested by computer and fabricated with zero point correction and temperature
compensation. With high accuracy and good stability, it can be widely used in various hydrogen pressure measurement applications.
Applications
- Hydrogen pressure measurement instrument
- Hydrogen production and purification equipment
- Hydrogen storage and transportation equipmen
Electrical Performance
- Power supply: ≤ 2.0mA DC
- Electrical connection: Ф0.5mm gold-plated Kovar pin or 100mm flexible silicone rubber wires
- Common mode voltage output: 50% of the input (typ.)
- Input impedance: 3kΩ ~ 8kΩ
- Output impedance: 3.5kΩ ~ 6kΩ
- Response time (10% ~ 90%): <1ms
- Insulation resistor: 100MΩ@100V DC
- Overload: 2 times FS
Construction Performance
- Diaphragm: Stainless steel 316L with gold plated
- Housing: Stainless steel 316L
- Vented tube: Stainless steel 316L
- Pin: Gold-plated Kovar
- Net weight: ~ 16g
Environment Condition
- Shock: No change at 10gRMS,(20~2000)Hz
- Impact: 100g, 11ms
- Media compatibility: High purity hydrogen or mixed gas with high hydrogen content
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Talk to an expertTechnical Specifications
Specification | Value |
---|---|
Fs output (mv dc) | 60 |
Hysteresis (%fs) | ±0.05 ... ±0.075 |
Linearity (%fs,bfsl) | ±0.15...±0.25 |
Repeatability (%fs) | ±0.05...±0.075 |
Zero output (mv dc) | ±1.0 ... ±2.0 |
Zero thermal error (%fs, @35℃) | ±0.75 ... ±1.0 |