differential pressure transducer / piezoresistive / O-ring / stainless steel
MDM291 Micro Sensor Co.,Ltd



  • Pressure type:


  • Technology:


  • Mounting:


  • Other characteristics:

    stainless steel, OEM, fully-welded

  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 125 °C (257 °F)

  • Pressure range:

    Min.: 0 Pa (0 psi)

    Max.: 2,000,000 Pa (290.08 psi)


MDM291 is OEM piezo-resistive differential pressure sensor with wholly welded construction, and no O-ring. The stainless steel 316L isolated diaphragm can be compatible with various media. With unified construction, higher static pressure, good stability and reliability, MDM291 welded differential pressure sensor is widely used in industrial pressure measurements and control, etc.

1. No O-rings, all welding construction
2. Stainless steel 316L, possible for various media
3. High static pressure 20MPa
4. Wide temperature compensation: 0℃70℃
5. Different threads connection optional

1. Pressure range: 0...35kPa...2MPa
2. Power supply: ≤2.0mADC ;≤ 10V DC
3. Electric connection: 100mm silicon rubber flexible wire
4. Diaphragm material: stainless steel 316L
5. Housing: stainless steel 316L
6. Leading wire: silicon rubber flexible wire
7. Net weight: 355g

1. Media temperature: (35±1)℃
2. Environment temperature: (35±1)℃
3. Shock: 0.1g(1m/s/s) Max
4. Humidity: (50%±10%) RH
5. Local Air Pressure: (86106) kPa
6. Power supply: (1.5±0.0015) mADC

1. Differential pressure measurement
2. Gas, liquid pressure measure
3. Ventura and eddy-current flow meter
4. Pressure checking meter