Piezoresistive pressure transmitter / analog / HART / RS485
SMP131-TBD Shanghai LEEG Instruments Co.,Ltd.


  • Technology:


  • Output signal:

    analog, HART, RS485

  • Other characteristics:

    economical, IP65, abrasion-resistant, for liquids and gases, for corrosive environments, precision

  • Process temperature:

    Min.: -30 °C (-22 °F)

    Max.: 80 °C (176 °F)

  • Pressure range:

    Min.: 50000 Pa (7.25 psi)

    Max.: 60000000 Pa (8702.26 psi)


Piezoresistive ceramic gauge 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.Suited for corrosion gases and liquids, excellent resistance against aggressive media

Pressure types: Gauge pressure
Measuring range:5kPa-60MPa
Output signal:4-20mA, 4-20mA+HART, 0.5-4.5VDC Modbus-RTU/RS485, customer
Reference accuracy :±0.5% URL
Measuring medium:Liquid, gas, or steam level, density and pressure
Stability: ±0.1% URL/ year
Sensor seal:O-ring, FKM ( high temperature condition),
Electrical connetion:DIN43650 IP65, M12*1(4pin) IP67,direct cable IP68
Process connection:M20*1.5 (M),G1/2 (M),G1/4(M),1/2 -14NPT(M)...
Diaphragm: Ceramic(96% AL203) isolation diaphragm
Approvals:CE, EX-proof

Application: Petroleum, chemical industry, sewage and other corrosive conditions


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