INFICON CO Check Carbon Monoxide Meter


CO Check is the convenient, dependable way to detect and measure dangerous carbon monoxide (CO)1 in both residential and commercial/industrial applications. Intuitive “stoplight” LEDs and an audible alarm alert you to the danger level of CO present, while the large, easy-to-read LCD provides a precise readout of the exact CO level. A protective holster case with belt clip adds to your convenience.


Note: CO Check is a natural companion for the GAS-Mate Combustible Gas Leak Detector, since both enhance heating system safety.


  • Displays carbon monoxide (CO) levels from 1–999 PPM
  • Audible alarm with colored LED indicators corresponding to increasing CO levels
  • Large, easy-to-read LCD for precise measurements
  • Runs for 200 hours on 9V alkaline battery
  • Protective holster case with belt clip included
  • Made in the USA