Absolute pressure transmitter / vacuum / piezoresistive / analog
SMP131-TLD Shanghai LEEG Instruments Co.,Ltd.


  • Pressure type:

    absolute, vacuum

  • Technology:


  • Output signal:

    analog, 4-20 mA

  • Mounting:


  • Other characteristics:

    stainless steel, compact, precision, process, smart, miniature, for liquids and gases, for water treatment

  • Process temperature:

    Min.: -30 °C (-22 °F)

    Max.: 80 °C (176 °F)

  • Pressure range:

    Min.: 0.1 bar (1.45 psi)

    Max.: 35 bar (507.63 psi)


SMP131 compact pressure transmitter combined with all the latest available technologies of the modern electronic pressure measurement fields. It’s the most cost-effective products after 10 year’s research and development.

Piezoresistive silicon pressure sensor
Suited for liquids and gases
Ex-proof versions and certificates
Excellent EMC compatibility

Range: 10kPa~3.5MPa absolute
Accuracy: ±0.2% URL, ±0.5% URL
Output signals:4~20mA,RS485(MODBUS-RTU),4~20mA/HART ,0.5~4.5VDC customer
Media Temperature: -30~80℃
Housing material: Stainless steel, Aluminum alloy

Application:machine tools, process control, environmental technology , pneumatics and others


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