AZ7752 Portable IAQ Carbon Dioxide CO2 Temperature Meter w/ TWA & STEL

AZ Instrument

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Was: $395.26
Now: $303.58 (Inc. GST)
Was: $362.62
Now: $278.51 (Ex. GST)
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Product Overview

AZ Instruments
Carbon Doxide (CO2) / Temperature Meter
(Model No.: AZ-7752)

The 7752 AZ portable CO2 detectorcould measure the indoor air quality index, including the CO2 concentration, CO2 level and air temperature. The Carbon Dioxide value can be output to PC for on-line analysis.

The 7752 AZ CO2 device could be used as the CO2 checker for the air quality index in all workspace, office, hospital, school, station or home. It can be calibrated easily in the fresh air and its back light function could let user operate in the dark area. The 7752 AZ is your best choice as the indoor air quality (IAQ) testers.

Poor indoor air quaintly is considered unhealthy because it causes tiredness, loss of ability to concentrate, and even illness (ex: sick building syndrome). IAQ monitoring and survey, especially on CO2 level and air ventilation become widely applied in public areas such as office, classroom, factory, hospital, work space, residential, commercial building and hotels. It is also suggested in regulations of industrial hygiene in some countries.

The 7752 AZ CO2 & Temperature Meter was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.


  • Design with NDIR (Non-Dispersive Infrared) wave guide technology sensor
  • Data output to PC every 2 seconds for on-line analysis
  • Display 8 hrs TWA value (time-weighted average) & 15 minutes STEL value (short-term exposure limit)
  • Housing design surrounds with rails to help air ventilation for quick and accurate response
  • Easy to calibrate CO2 at fresh air around 380-420 ppm
  • Dual display 2 parameters simultaneously: CO2, temperature
  • Audible carbon dioxide level warning alarm
  • Big LCD display with high resolution
  • Back light for working in dark area
  • PC connect via USB interface (Optional)
  • Auto-sleep function
  • Low battery indicator


  • Carbon Dioxide (CO2)
    • Range: 0~9999ppm (2001~9999ppm out of scale range)
    • Resolution: 1ppm
    • Accuracy: ±50ppm ±5% of reading (0~2000ppm), other range are not specified
    • Response time: <30 sec (90% step change)
    • Warm-up time: 30 seconds
  • Air Temperature
    • Range: -10~60℃ (-5~140℉)
    • Resolution: 0.1℃ / 0.1℉
    • Accuracy: ±0.6℃ /±0.9℉
    • Response time: < 2 mins (90% step change)
  • LCD size: 26(H)*44(W)mm
  • Operating temperature: 0℃ to +50℃
  • Operating humidity: 0 ~ 95%RH (avoid condensation)
  • Storage temperature: -20℃ to +50℃
  • Storage humidity:  0 ~ 90%RH (avoid condensation)
  • Power supply: 4 x AA batteries
  • Battery Life: > 24 hours (alkaline battery)
  • Meter  size: 205(L)*70(W)*56(T)mm
  • Weight: 200g

Standard Package:

  • AZ7752 Meter
  • User Manual
  • Hard carry case


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