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Indoor Air Quality VOC Temperature Transmitter / Controller

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The indoor air quality detector (IAQ) is a simple, low-cost and low-maintenance CO2 + VOC transmitter based on modern bio-semi-conductor technology. The transmitter detects the CO2 + VOC content in air and emits a proportional, linear, analog 0-10 V or digital RS 485/ModBus signal.


  • 0-10 V analog signal output
  • Modular design (Plug-in)
  • Simple maintenance
  • IP 65 protected
  • Long life sensor (5 YEAR maintenance interval)
  • Self Diagnostics with auto adjustment
  • Approved according to EN 61010-1; ANSI/UL 61010 1; CAN/CSA-C22.2 No. 61010-1
  • Continuous monitoring
  • Optional addons:
    • Two Digital outputs
    • Thermometry active or passive
    • Temperature control with potentiometer
    • Modbus RS 485 Interface
    • Status LED
    • Operation mode switch OFF – ECO – Night etc.

Built for a standard output of  0-10V analog signal output, this transmitter is compatible with the PolyGard series controllers the MGC/DGC as well as any other electronic control or automation system.