Heavy Duty Pressure Transmitter


RB21C is piezo-resistive pressure transmitter, uses high stable and reliable pressure sensor and special circuit board to produce transmitter.This product is used for measure pressure of petroleum, chemical industries, hydrology and flow pressure measure etc.

Main Features

  • Infrared light source
  • Excellent price/performance ratio
  • Teach in with Button
  • Light ON dark ON selectable


  • Hydraulic application
  • Very low Range pressure measurement
  • Factory automation
  • Injection moulding

Technical Specifications

Measurement range  

-1…0 to 0…600 Bar

Measuring principle



0.5 % of reading

Operating temperature

80 C max.


Process connection : SS304
Housing : SS304
Diaphragm : SS316L

Signal Output

4-20 mA / 0-10 Vdc/ 0-5 Vdc / 0.4 - 4.5 Vdc

Power Supply

11…30 Vdc

Process Connection  

G1/4 male thread. / G1/2 male thread    

Electrical Connection

DIN 43650 / M12 4pin / Inbuilt cable version