Freon R402b Gas Transmitter MA-4-2074 GasAlarm

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[vc_row][vc_column][vc_column_text]MA-4-2074 series Freon R402b Gas Sensor / Transmitter for the continuous monitoring of R402b concentrations (ppm) in the air, 4 – 20mA analog signal output and can be used for chiller plant room broad spectrum Yes/No applications. Used in wide variety of industries where the full features of the ADT series is not required.


  • 4-20 mA analog signal output
  • Modular design (Plug-in)
  • Simple maintenance
  • IP 65 protected
  • Long life sensor
  • Continuous monitoring
  • Optional Extras (available upon request, please call our Sydney head office to discuss further):
    • 2-10 V analog signal output
    • 24VAC input voltage

Built for a standard output of 4-20 mA / 2-10V analog signal output, this transmitter is compatible with the PolyGard series controllers the MGC as well as any other electronic control or automation system.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_btn title=”Datasheet” shape=”square” color=”blue” align=”left” link=”url:%2Fwp-content%2Fpdfs%2FMSR%2Fmsr-ma-4-2074-freon-r402b-gas-sensor.pdf||target:%20_blank”][/vc_column][/vc_row]