SMP131-TLH Absolute pressure transmitter

Pressure measurement

Brief introduction

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. SMP131 compact pressure transmitter has unique technological advantage which is different from other ordinary products with the same price and its’ capabilities are equivalent to the most of the high-end products, which is the first selection of the most cost-effective products.


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.
IP protection class is up to IP68.
Optional various process connection standards & connection materials.
Double lines 5 backlight LCD display, 355°free rotation. Two on-off alarm output, combined measurement and control.


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 length: 53mm, 37mm, 65mm, 85mm Material: SUS304, SUS316
Electrical connection: DIN43650, IP65; M12*1(4 pins), IP67

Industry application

Process control system
Machine building


Data sheet
Quick installation manual
CE certificate
Intrinsic safety certificate
Flame proof certificate