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Air Quality Testing - Indoor Digital Hand Held Meter CDM77535

SKU# - CDM77535

The CDM77535 temperature-humidity-CO2 monitor is ideal for monitoring the indoor air quality (IAQ) of houses, offices, classrooms, factories, hospitals and hotels.

  • $399.99
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Indoor Air Quality Testing Meter CDM77535

Handheld Digital Environmental Meter is used for testing home, building, or office indoor air quality.

Air Quality Testing Meter Features:

  • Measures Carbon Dioxide level, air temperature, dew point, wet bulb, temperature, and humidity
  • View all three measurements simultaneously on the digital display 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
  • Minimum/Maximum memory + data hold
  • CE and RoHS approved

Click Here to See User’s Manual

Indoor Air Quality Testing Meter Specifications:

Carbon Dioxide Measurements:

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 Measurements:

Temperature Measurement Range: 14° to 140°F
Temperature Measurement Accuracy:  ±0.9°F 

Humidity Measurements:

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 122°F @<80% RH
Storage Temperature:  -4° to 140°F @<80% RH
Dimensions:  8.2 x 2.8 x 2.2 in.
Weight:  5.6 oz.
Power Source:  4 AA batteries (included) or adaptor 

Indoor Air Quality Testing Meter Includes:
  • 4 “AA” batteries
  • Molded hard case
  • Adapter 9V 100-240VAC

One Year Manufacture's Warranty 

Recommended Accessories:  ASFTKIT - Software Kit & Cable
    • Weight
      2 lbs
    • SKU
  • SKU
  • GTIN
  • Manufacturer
    General Tools and Instruments
  • Dimensions
    8.2 x 2.8 x 2.2 in.
  • Product Weight
    5.6 oz.
  • Power Source
    AA batteries
  • Warranty
    One year warranty
  • Humidity Measurement Range:
    10 to 95%
  • Humidity Measurement Accuracy:
  • Warm up Time:
    30 seconds
  • CO2 Measurement Range:
    0 to 5000ppm
  • CO2 Measurement Accuracy
    ±50ppm ±5%of reading
  • CO2 Calibration Level:
  • Temperature Measurement Range
    14° to 140°F (-10° to 60°C)
  • Temperature Measurement Accuracy:
    ±0.9°F (0.6°C)

Product questions

  • steve s
    08/02/2020, 11:43 AM

    Hi - Are there devices that measure pesticide vapor toxins? Not just the VOCs that propel, but certain known toxic ingredients some manufacturers use. thank you

    08/03/2020, 09:07 AM

    We are not aware of any specific pesticide detectors that would not require lab testing.

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