Air Quality Meter: Digital CO2, RH, Temperature (CDM77535) w/Case

Model #: CDM77535
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Category Air Quality - IAQ
  • Building or Office Indoor Air Quality
  • Ideal for indoor air quality (IAQ) diagnosis of offices, classrooms, factories, hospitals and hotels
  • Non-dispersive infrared (NDIR) technology
  • Measures: CO2 level, air temperature, dewpoint, wet bulb temperature and humidity
  • Triple displays of CO2 level, temperature and humidity
  • Stable NDIR sensor for CO2 detection
  • Statistics of weighted averages:
    • TWA (8 hour weighted averages)
    • STEL (15 minute weighted average)
  • Backlit LCD display
  • Audible CO2 warning alarm
  • Battery or AC adapter
  • Manual calibration on CO2 and humidity
  • RS232 data interface
  • Min, Max, STEL, TWA
  • Range: 14 to 140F (-10 to 60C)
  • CO2 range: 0 to 5000ppm
  • Resolution: 1ppm Accuracy: 30ppm 5% of reading
  • Pressure Dependence +1.6% reading per kPa deviation from normal pressure, 100kPa
  • Resolution: 0.1F (0.1C)
  • Accuracy: 0.9F (0.6C)
  • Humidity range: 0 to 99.9%
  • Resolution: 0.1%
  • Accuracy: 3% between 10 to 90% -5% other
  • Warm up 30 seconds
  • Operating: 32 to 122F (0 to 50C), 0 to 95% (avoid condensation)
  • Storage: -4 to 140F (-20 to 60C), 0 to 99% (avoid condensation)
  • Battery Life: 24 Hours (Alkaline)

Supplied with:

  • 4 AA batteries
  • Molded hard case
  • Adapter 9V 100-240VAC


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