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LogiCO2 - Mk9 CO2 Monitor Kit, Gas Monitor Central Unit & CO2 Sensor Only -Parts

Current Stock:

Product Description

Manufacturer: LogiCO2

Model: Mk9

Condition: For Parts or Not Working. Comes in non-original packaging. These CO2 gas monitor units are in good physical condition but they will not power on. We are selling these AS/IS for parts or repair only. The photos show the exact item(s) the buyer will receive.

Notes: These CO2 gas monitors were removed from a working setup, but when we attempted to power them on with a 24V POE adapter (not included), the units did not power on and showed no signs of life. No further testing was performed. We are selling these AS/IS for parts and repair. No manuals, cords/cables, or additional items are included if not listed or shown.


  • (1) LogiCO2 - Mk9 Gas Monitor Central Unit
  • (1) LogiCO2 - Mk9 CO2 Sensor Unit


  • Manufacturer: LogiCO2
  • Model: Mk9
  • CO2 Sensor Mk9
  • Power supply: 24V DC
  • Power consumption: < 300 mA (external optional warning lamp not included)
  • Wiring connections: RJ 45
  • Digital interface: RS485 serial port MODBUS
  • Outputs: 2 x transistor output 24V DC, Min 1 mA
  • Acoustic signal strength: 85 dBa (1 m) max.
  • Operating principle: Non-dispersive infrared (NDIR) and thermistor
  • CO2 measuring range: 0-3 Vol.%
  • Extended CO2 range: 3-6,7 Vol.%
  • Gas sampling mode: Diffusion
  • TWA (Time Weighted Average): Calculation 8 h time span (most recent)
  • with 2 min sample period. (Pat. Pend.)
  • Resolution: 0.01 Vol.%
  • Annual zero point drift: <0.01 Vol.% with automatic self calibration feature Ambient temperature: -20 to +50°C (-4 to +122°F). Only for indoor use. General performance Compliance with: 2004/108/EG Sensor Life expectancy: > 15 years
  • Operating humidity range: 0 to 95% RH (non condensing)
  • Warm-up time (@ 22°C): 1 min.
  • Dimensions (Ø and H): Ø 90 mm, height 120 mm / Ø 3,5”, height 4,7”
  • Ingress protection: IP54
  • Overvoltage: Category II
  • Pollution degree: II

Incomplete Set


  • No returns - No refunds - No exchanges
  • By purchasing this item, you are agreeing to not seek reimbursement should the item not function to the manufacturer's specifications.
  • Read the notes carefully to ensure you are buying something you can use
  • See complete terms

CDN Systems LLC, DBA Doug Deals, is not an authorized distributor or affiliated with the manufacturer of this product. Original manufacturer's warranty does not apply.

Other Details

For Parts or Not Working

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