Differential pressure transducer SMP131-DLD
piezoresistiveratiometricDC output

differential pressure transducer
differential pressure transducer
differential pressure transducer
differential pressure transducer
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Pressure type
Output signal
ratiometric, DC output, RS485, HART, Modbus
Other characteristics
stainless steel, compact, OEM, process, for liquids and gases, for HVAC systems, IP65, intrinsically safe
Process temperature

Min.: -40 °C (-40 °F)

Max.: 125 °C (257 °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. The sensor adopts full-automatic linear and temperature compensation technology to ensure the efficiency and quality of mass production. Fully-sealed and isolated air cavity design to ensure the long term reliability. Signal transmitting module adopts original calibration technology to realize parameters setting easily without any tools. Advantage • Excellent long-term stability, unique technological advantage to ensure the performance far exceeds the same price products. • Powerful compact appearance, provide the highest cost-effective pressure measuring solutions. • Pressure impact tests and time drift tests to ensure constant quality. • Adopts patent pressure sensor technology, flexibly face all kinds of challenges of working conditions. • Original calibration technology, realize parameters setting easily without any tools. • Strong transient voltage resistance inside, easily cope with surge voltage. Features • 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, optional ±0.1% 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℃ • Electrical connection: DIN43650, IP65



*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.