EE80

Room CO2 Switch

EE80 room CO2 switch is based on the non-dispersive infrared (NDIR) measurement principle. A patented auto-calibration procedure compensates for the aging of the infrared source and ensures outstanding long term stability.

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The switch threshold and hysteresis can be set with potentiometers on the electronics board. The measured CO2 data can be indicated on the optional LC display. Two different enclosure designs ensure professional appearance according to regional standards.

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Technical data EE80

  • 0...2000 ppm
    0...5000ppm

    Measuring range
  • < ± (50 ppm +2% del valore misurato)
    < ± (50 ppm +3% del valore misurato)

    Accuracy
  • 0.7A a 50V AC
    1A a 24V DC

    Max. switching load
  • 24 V AC/DC

    Supply

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EE80 FAQ

  • What is the difference between a 2 wire and a 3 wire current output?

    Transmitter with "two-wires" technology receive the power from the process, and the signal is carry on return wire (closed current loop). With technology "three-wires" the power supply is separate from current output: 2 wires are the power supply and third carry the signal.

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