CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm

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CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm

Regular Price $125.90
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This 3-in-1 CO2 datalogger & monitor is designed for fast & accurate measurement & logging of CO2 level, air temperature and humidity. It display 3 parameters simultaneously together with data & time. An ideal instrument for indoor air quality (IAQ) diagnosis and HVAC system performance verification.

This logger is factory pre-calibrated at standard 400ppm CO2 concentration. It has a large LCD display and 15° tilt angle for easy reading and ABC (Automatic Baseline Calibration) and Manual Calibration option. The built-in Non-Dispersive InfraRed (NDIR) sensor provides long term stable monitoring.

It is also suggested in regulations of industrial hygiene in some countries. Poor indoor air quality in rooms can lead to fatigue or tiredness, lack of concentration and illness (Sick Building Syndrome) due to high CO2 concentration.

IAQ monitoring and ventilation surveys of CO2 level & air ventilation become widely applied in public areas such as offices, classrooms, factories, hospitals, day care centers and hotels.


  • Datalogging up to 15,999 points
  • Sampling rate from 1 second to 4:59:59
  • Advanced CO2 Logger, your best IAQ watcher
  • Total of 15,999 set of data can be saved to memory 
  • 1-Key touch to activate the logging mode 
  • Real Time clock and Calendar are displayed 
  • Warning Carbon Dioxide Level from 1000-5000ppm 
  • Super large LCD w/ 15° Tilt Angle & large digital readout for easy to see and read 
  • Indoor air quality level indication (Good, Normal, Poor) 
  • Display CO2 value, Air Temp & RH, Year-Month-Date, and Hour-Minute simultaneously 
  • Maximum /Minimum CO2 value recall Function
  • Selectable °C and °F
  • Stable NDIR (Non-Dispersive Infrared) for CO2 detection 
  • ABC CO2 Automatic Baseline Calibration (ABC) and manual CO2 calibration 
  • Long time drift compensation
  • Bright LED visible indicates power is ON 
  • Audible Alarm warns CO2 Air Quality on both high limit & low limit (adjustable)
  • Monitoring residential, commercial & home air quality 
  • Easy to connect with PC for data download
  • With CE Marking, passed and approved by European Directives for health & safety



  • Measuring Range
    • CO2: 0~9999ppm
    • Air Temperature: -10 ~ 60°C (14 ~ 140°F)
    • Air Relative Humidity: 0.1 ~ 99.9%RH
  • Resolution
    • CO2:  1ppm
    • Air Temperature:  0.1°C / 0.1°F
    • Air RH:  0.1%RH
  • Accuracy
    • CO2:  0~2000ppm, ±50ppm or ±5% of the reading; Above 2000ppm, ±10% of the reading
    • Air Temperature:  ±0.6°C, ±0.9°F
    • Air Relative Humidity:   ±3%RH (at 25°C, 10~90% RH)
      • ±5%RH (at 25°C, <10% & >90% RH)
  • Response
    • CO2:  <2 mins (90% step change)
    • Air Temperature:  <2 mins (90% step change)
    • Air Relative Humidity:  <10 mins (90% step change)
  • Air Quality Level (CO2 Concentration):
    • Good:   <700ppm (programmable by user)
    • Normal:  700 ~ 1000ppm (programmable by user)
    • Poor:   >"Normal"
  • Sample Point:  15999 points (5333points for each paramater)
  • Warm-up Time:   30sec
  • Max/Min function
  • Sampling Rate Interval: 1sec to 4 hour 59 minutes 59 seconds
  • LCD & Green LED Display
  • Alarm:  >1000ppm (programmable by user)
  • LCD size: 60 x 82mm (HxW)
  • Operating Condition: 0~50°C, 5~80%RH (be sure to avoid condensation)
  • Storage Condition: -20~50°C, 5~90%RH (be sure to avoid condensation)
  • Power Supply: 5V DC adaptor (±10%), >=500mA
  • Size: 120 x 80mm (diameter x depth)
  • Weight: 200g



Set Includes:

  • 1 x CO2 Datalogger with Air Temperature and Humidity
  • 1 x Universal Adaptor (5V±10%,  >=0.5A)
  • 1 x USB cable
  • 1 x Software CD
  • English Operation manual
  • Standard Packaging Box 


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