CO87 Desktop Indoor Air Quality Monitor Carbon Dioxide (CO2) Temperature Humidity %RH 0~2000ppm Range

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This CO2 monitor is a desktop type unit designed for fast and accurate measurement of CO2 level, air temperature and humidity. Equipped with a triple LCD Display and programmable alarms complete with real time clock and calendar. It has a large LCD display and 15° tilt angle for easy reading. In addition, it has ABC (Automatic Baseline Calibration) and Manual Calibration option.

The built-in Non-Dispersive InfraRed (NDIR) sensor provides long term stable monitoring. User can set 2 alarm limits: upper & lower limit. It has an audible & visual alarm to give warning when CO2 concentration exceeds the limit. Once CO2 level goes back to normal the alarm will automatically stop, alarm can be also be stop by pressing any key.

Poor indoor air quality in rooms can lead to fatigue, 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, hotels.


  • Large LCD display of CO2 level, temperature and humidity
  • Simultaneous triple result complete with real time clock & calendar
  • 15° tilt angle
  • Easy to see and read
  • Indoor air quality level indication (Good, Normal, Poor)
  • Maintenance free NDIR (non-dispersive infrared) CO2 sensor
  • Stable Non-Dispersive Infrared (NDIR) Sensor for CO2 detection
  • Visible & Audible (80db) CO2 warning alarm when CO2 concentration exceeds the set limits
  • ABC (automatic Baseline Calibration)
  • Long time drift compensation
  • Manual CO2 calibration with calibration indicator
  • Max. & Min. CO2 value recall function
  • With power adaptor output voltage indicator via LCD and LED light
  • With level indicator, indicating if CO2 level is in "good", "normal", "poor" condition
  • Selectable °C and °F
  • Large digital readout
  • Factory pre-calibrated
  • With CE Marking, passed the standards and had been approved by Europen Directives for health & safety
  • Perfect to be used to monitor air quality in schools, office buildings, greenhouses, factories, hotels, hospitals and anywhere that high levels of carbon dioxide are generated



  • Measuring Range : 
    • CO2 : 0~2000ppm 2001~9999 (out of scale)
    • Air Temp. : -10°C~60°C (14°F~140°F)
    • Air RH% : 0.1%RH~99.9%RH
  • Resolution : 
    • CO2 :1ppm
    • Air Temp.:0.1°C / 0.1°F
    • Air RH%:0.1%RH
  • Accuracy:
    • CO2 : 50ppm ±5% of reading
    • Air Temp.:±0.6°C, ±0.9°F
    • Air RH%: ±5%RH (at 25°C, 10~90% RH)/±7%RH (at 25°C, <10% & >90% RH)
  • Response:
    • CO2: 2 mins (90% step change) 
    • Air Temp.: 2 mins (90% step change)
    • Air RH%: 10 mins (90% step change)
  • Air Quality Level (CO2 Concentration):
    • Good: 700ppm (programmable by user)
    • Normal: 700 ~ 1000ppm (programmable by user)
    • Poor: "Normal"
  • Max/Min function
  • Alarm: 1000ppm (programmable by user)
  • Operating Condition: -10~50°C, 5~80%RH (Be sure to avoid condense)
  • Storage Condition: -20~60°C, 5~90%RH (Be sure to avoid condense)
  • LCD & Green LED Display
  • Power Supply: Power adaptor (5V/0.5A output)


Set Includes

  • 1 x CO2 Desktop Monitor
  • Power adaptor (5V/0.5A output) (Available in UK / US / EU / AU plug)
  • 1 x English Operation Manual
  • Standard White Packaging Box

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