MDM293 Differential pressure sensor module
OEM sensing element with stainless steel isolated diaphragm.
Key features
- Pressure Range: 0bar~2bar...35bar
- Constant current or constant voltage power supply
- Isolated Construction, enable to measure
various media
About the MDM293 OEM Differential pressure sensor module
The MDM293 is an OEM differential pressure sensor module featuring a stainless steel corrugated diaphragm for isolation. It is compact, highly resistant to static pressure, and offers stable and reliable performance. Both the high and low-pressure ends are protected by isolation diaphragms, allowing exposure to certain corrosive fluid media. The differential pressure is transmitted to a silicon pressure-sensitive element via the isolation diaphragm and filled silicone oil, ensuring accurate measurements. It uses a high-precision, high-stability diffusion silicon piezoresistive pressure-sensitive chip from a renowned international manufacturer. The pressure-sensitive component is assembled on an automated production line and undergoes automatic computer testing and compensation for high accuracy and stability. This sensor is ideal for industrial process control and other fields requiring precise differential pressure measurement.
Applications
- Industrial process control
- Differential pressure detection
- Gas, Liquid pressure measure
- Pressure checking meter
- Pressure calibrator
- Venturi and Vortex flow meters
Electrical Performance
- Power Supply: ≤2.0mA DC
- Electrical Connection: 100mm silicon rubber flexible wires
- Common mode voltage output: 50% of input (typ.)
- Input Impedance: 2kΩ~5kΩ
- Output Impedance: 3.5kΩ~6kΩ
- Response (10%~90%): <1ms
- Insulation Resistor: 100MΩ@100V DC
- Maximum Static Pressure: 200bar
- Zero Drift or Static Pressure: ≤0.05mV/bar
Construction Performance
- Diaphragm: Stainless steel 316L
- Housing: Stainless steel 316L
- Pin: 100mm silicon rubber flexible wires
- O-ring: FKM
- Net weight: ~20g
Environment Condition
- Shock: No change at 10gRMS, (20~2000)Hz
- Impact: 100g, 11ms
- Media compatibility: Liquid or gas compatible with stainless steel and FKM
Basic Condition
- Media temperature: (35±1)°C
- Environment temperature: (35±1)°C
- Shock: 0.1g (1m/s2) Max
- Humidity: (50±10)%RH
- Atmospheric pressure: ( 0.86~1.06)bar
- Power supply: (1.5±0.0015) mA DC
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Talk to an expertTechnical Specifications
| Specification | Value |
|---|---|
| Compensated temp. range | 0 ~ 70 °C |
| Hysteresis | ±0.05 ±0.075 %FS |
| Linearity | ±0.15 - ±0.25 %FS,BFSL |
| Output/Span | 60 mV DC |
| Repeatability | ±0.05 - ±0.075 %FS |
| Span thermal error | ±0.75 ±1.0 %FS, @35°C |
| Stability error | ±0.3 ±0.5 %FS/Year |
| Storage temp. range | -40 ~ 125 °C |
| Working temp. range | -40 ~ 125 °C |
| Zero output | ±3.0 mV DC |
| Zero thermal error | ±0.75 ±1.0 %FS, @35°C |