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Extra 10% OFF Everything Over $99 for CYBER MONDAY Sale | code: CYBERMONDAY23 | Expires 11/30 Midnight CST
Extra 10% OFF Everything Over $99 for CYBER MONDAY Sale | code: CYBERMONDAY23 | Expires 11/30 Midnight CST

Comet CO2 concentration transmitter with two relay outputs

CO2 level transmitter with two output relays.

The device is supplied with CO2 probe with 1m cable. Cable lengths 2 or 4 meters available optionally.

Green LED shines - CO2 concentration 0 to 1000 ppm
Yellow LED shines - CO2 concentration 1001 to 1200 ppm
Red LED shines - CO2 concentration 1201 ppm and more



  • CO2


  • Measuring range 0 to 10 000 ppm
  • Accuracy ±(110ppm +5% from reading) at 25°C and 1013hPa
  • Resolution 1 ppm


  • Quantity 2
  • Maximal voltage 50 V
  • Maximal current 2 A
  • Maximal power 60 VA


  • Operating temperature -30 to +60 °C
  • Channels 1x external CO2 sensor
  • Acoustic alarm from built-in beeper - switchable
  • Power 9-30 Vdc
  • Protection class IP65
  • Dimensions 136 x 150 x 45 mm
  • External probe cable length CO2 1 meter (optionally 2 or 4 meters)
  • Weight approx. 360 g
  • Warranty 3 years


TSensor (3-4-1-0)

Sensor Reader (2-0-6-0)

Conversions - application for recalculation of values


Terms and Conditions COMET System s.r.o.


Instruction Manual

Quick Start Manual

Declaration of Conformity



CATALOG - Digital sensors and regulators with serial RS485/RS232 output

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