Residential CO Monitor

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The aim of this project was to produce an accurate, low cost CO detector. The use of a chemical sensor with a self testing feature made this product one of the best products of its kind on the market. The use of a small 8 bit micro and non-replaceable batteries to cover the sensors 5 year life expectancy, was quite a challenge. In addition to the sensor research, electronic and firmware design, Questek also developed much of the support equipment for testing and production.

Key features of the CO Monitor:

  • PIC microceessor
  • +5 years operation on 3 AA batteries
  • IR Interface
  • Temperature compensated
  • LCD readout
  • Peak CO recording with history function