Gain Express Wall Mount vs Dylos DC1100 Pro Air Quality Monitor

  • Great for measuring CO2 levels
  • Easy to use
  • Automatic calibration
  • Display is easy to read in the dark
  • Triple display of CO2/RH/Temp is a bit larger than some
  • Great for air quality monitoring
  • True particle counter
  • Supports a wide range of information and resources
  • Hardware is simple and rugged
  • Picked up smog that cheaper meters were unaware of


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