RB21F Series Pressure Transmitter


RB21F is piezo-resistive pressure transmitter with flush diaphragm, 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, pharma industries etc.

Main Features

  • Stainless steel contacting with media
  • High corrosive resistance
  • High long term stability
  • Stainless steel MOC
  • Short protection and reverse polarity protection
  • Excellent price/performance ratio


  • Pharma application
  • Very low Range pressure measurement
  • Factory automation
  • Chemical process plant

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

G1/2 Flush diaphragm

Electrical Connection

DIN 43650 / M12 4pin / Inbuilt cable version