relative pressure sensor / silicon / ratiometric / DC output
PS131-TSR-S Shanghai LEEG Instruments Co.,Ltd.



  • Pressure type:


  • Technology:


  • Output signal:

    ratiometric, DC output, RS485, HART, Modbus

  • Mounting:


  • Other characteristics:

    compact, stainless steel, OEM, with long-term stability, CE, economical, low pressure, programmable, combined, smart, for harsh environments, for liquids and gases, with digital display

  • Process temperature:

    Max.: 120 °C (248 °F)

    Min.: -40 °C (-40 °F)

  • Pressure range:

    Max.: 400 bar (5,801.51 psi)

    Min.: 0.02 bar (0.29 psi)


The new generation of PS131 transmitters was developed in close coordination with the users. PS131 is a pressure transmitter with a pressure switch to safely and absolutely measure and monitor gauge pressures.

Pressure types: Gauge pressure
Measuring range: 2kPa-40MPa
Output signal: 4-20mA / 0.5-4.5VDC / RS485 Modbus-RTU / PNP or NPN
Reference accuracy: 0.1%URL
Stability: ±0.2% URL/ 5 years
Media temperature: -40-120℃
Process connection: Standard G1/4, G1/2, M20*1.5, 1/2NPT,1/4NPT...
Electrical connection: Aviation plug, M12*1 (5 pins)

Application: Pressure, level measurement