Relative pressure transducer SMP131-TLD(GP)


Pressure type
relative, absolute
Output signal
analog, digital
Other characteristics
stainless steel, compact, OEM, process, fast response time, temperature-compensated, two-wire, for liquids and gases, IP65, intrinsically safe
Process temperature
Min.: -30 °C (-22 °F)

Max.: 150 °C (302 °F)

Pressure range
Min.: 5,000 Pa (0.73 psi)

Max.: 100,000,000 Pa (14,503.77 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: 5kPa-100MPa • Output signal: 4-20mA, 4-20mA+HART, 0.5-4.5VDC, Modbus-RTU/RS485, others • Reference accuracy: ±0.1% URL, ±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℃ • Electrical connection: DIN43650, IP65; M12*1(4 pins), IP67