Relative pressure transmitter / silicon / piezoresistive / with electrical output signal
SMP131-TLH Shanghai LEEG Instruments Co.,Ltd.


  • Pressure type:


  • Technology:

    silicon, piezoresistive

  • Output signal:

    with electrical output signal, 4-20 mA, ratiometric, DC output

  • Mounting:


  • Other characteristics:

    stainless steel, compact, precision, process, smart, intrinsically safe, for refrigeration circuits

  • 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.

Measuring range: 10kPa-3.5MPa
Output signal: 4-20mA,4-20mA+HART, 0.5-4.5VDC, Modbus-RTU/RS485, others
Reference accuracy: ±0.2% URL, ±0.5% URL
Process connection: M20*1.5(M), G1/2(M), G1/4(M), 1/2-14NPT(M)
Measuring medium: Liquid, gas, or steam
Media temperature: -30-80℃
Tube Material: SUS304, SUS316
Electrical connetion: DIN43650, IP65; M12*1(4pin), IP67

Industry application
Process control system
Machine building


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