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CDM77535 - Handheld Digital Environmental Meter With CO2 /RH / Temperature

CDM77535 - Handheld Digital Environmental Meter With CO2 /RH / Temperature

Item Id: CDM77535
Product Description
Handheld digital environmental meter with CO2/RH/Temperature

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Building or office indoor air quality
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Features & Benefits:

  • Measures CO2 level, air temperature, dewpoint, wet bulb temperature and humidity
  • Triple displays of CO2 level, temperature and humidity
  • Uses stable non-dispersive infrared (NDIR) sensor to measure CO2
  • Calculates, periodically updates and displays 8-hour time-weighted average (TWA) of CO2 exposure and 15-minute short-term exposure limit (STEL)
  • Backlit LCD
  • Audible CO2 warning alarm
  • Powered by batteries or included AC/DC adapter
  • Manual calibration of CO2 and humidity
  • RS-232 computer interface for uploading readings to a PC
  • Min/Max memory + data hold
  • CE and RoHS approved


  • CO2 Measurement Range: 0 to 5000ppm
  • CO2 Measurement Accuracy: 50ppm 5% of reading
  • Pressure Dependence of CO2 Measurement:+1.6% of reading per kPa deviation from sea-level atmospheric pressure (100kPa)
  • CO2 Calibration Level: 400ppm
  • Temperature Measurement Range: 14 to 140F (-10 to 60C)
  • Temperature Measurement Accuracy: 0.9F (0.6C)
  • Humidity Measurement Range: 10 to 95%
  • Humidity Measurement Accuracy: 3%
  • Warm up Time: 30 seconds
  • Response Times: 30 seconds for CO2 and temperature, 30 minutes for humidity
  • Auto Power Off: After 20 minutes of inactivity
  • Operating Temperature: 32 to 122F(0 to 50C)@<80% RH
  • Storage Temperature: -4 to 140F(-20 to 60C)@<80% RH
  • Dimensions:8.2 x 2.8 x 2.2 in. (208 x 71 x 56mm)
  • Weight: 5.6 oz. (159g)
  • Power Source: 4 AA batteries (included)

Includes :

  • Molded hard case
  • 9V AC/DC adapter
  • Batteries

Package Specifications:
H: 14.25''

W: 8.75''

D: 2.87''

Cube: 0.2074

Weight: 28oz/1.75lbs

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