CM3 Pressure Monitor - Specification - Accessories 

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The CM3 unit is compatible with the CM2 accessories. The range of accessories includes

  • Remote Klaxon reference KLAX-M. This device can be silenced by pressing the silence pushbutton on the CM3. It connects to the speaker connector socket on the CM3 display panel and provides an extra loud audible indication  in noisy environments.
  • Remote Klaxon reference KLAX-NM. This device cannot be silenced by pressing the silence pushbutton on the CM3. It connects to the speaker connector socket on the CM3 display panel and provides an extra loud audible indication  in noisy environments.
  • Power Switching Unit reference PSU-110V. The power switching unit is controlled from the pressure monitor and can be used to energise air movers or other items of plant on a low or high pressure alarm. The PSU-110V unit has a110V single phase inlet and outlet connector. The unit is supplied complete with a 110V plug and socket and the interface cable to connect the unit to the relay connector on the CM3.
  • Power Switching Unit reference PSU-240V. The unit is as the PSU-110V but is supplied with 240V connectors.
  • Power Switching Unit reference PSU-415V. The unit is as the PSU-110V but is supplied with 415V connectors.
  • Output module reference OP420. This unit plugs into the auxiliary socket on the CM3 and provides a 4-20mA output that is proportional to the measured pressure. This allows the CM to interface with other systems and plant.
  • Calibration cable reference CAL. This cable plugs into the auxiliary socket on the CM3 and provides a 100mV/Pascal output to interface to pressure calibration instruments.