Differential Preassure Transmitter

  • Silicon chips on Differential Pressure Module of MEMS integration technology
  • Off set function by bottom / UI software
  • Low-pressure monitoring, high pressure bearable
  • Option RS-485 communication interface, Modbus RTU protocol
  • DIP switch output and range
  • Physical switch: mbar / Pa / hPa / mmH2O / mmWS / inH2O / mmHg
  • Square root function
  • Application Field – monitor differential pressure of cleanroom / hospital/ air duct/ filter environment and monitor air flow
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Input

Input type: Piezoelectric Differential Pressure Module

Measuring range: ±50 ~ ±7500 pa

Output

  • Output: 0-20mA / 4-20mA / 0-1V / 0-5V / 1-5V / 2-10V / 0-10V
  • Signal connection: 3-wire
  • ModBus: RS-485
  • Accuracy (at 25 C): +/-2.0% of F.S.
  • Load resistance (current output): 4-20mA < 500Ω / 0-10V >= 10k
  • Response time (t63): <=2ms
  • Display Type: LCD Module with back light, double line character
  • Display Range: upon request, 2 decimal place (at unit is Pa: 1 decimal place)
  • Height of character: 5.56mm

Environment

Mediaa measured: air

Environment Temperature: 0~ 50℃

Environment Humidity: -20 ~ 60℃

Storage temperature: -20 ~ 60℃

Temperature Influence

Temperature drift: ±1.75% (5℃ ~55℃)

Electrical

Power supply: 8~35 VDC / 12~30VAC

Current consumption: DC 8V: <=130mA (display) / <=115mA (non-display)

                                   DC 24V: <=45mA (display) / <=40mA (non-display)

                                   AC 12V: <=150mA (display) / <=130mA (non-display)

                                   AC 24V: <=95mA (display) / <=90mA (non-display)

Overvoltage protection: <= 40VDC

Electrical connection: M12 connector / M16 terminal

Installation

Installation: wall / duct

Protection

Protect degree: IP65

Electric protection: ◎Polarity protection ◎over-voltage ◎short circuit

Proof Pressure: ±50 ~ ±250 pa : 0.25 bar : ±300 ~ ±7500 pa : 0.5 bar

Burst Pressure: ±50 ~ ±250 pa : 0.25 bar : ±300 ~ ±7500 pa : 0.5 bar

Certification

Certification: CE