77535_CD_ADAPTOR High Accuracy CO2, RH & Temp Real-Time Monitor Kit Set w/PC Software Recording Analyzer, Portable Indoor Air Quality Carbon Dioxide Meter Sensor, Temperature/Dew Point/Wet Bulb/Humidity

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This meter measures CO2 level, Air Temperature, Dew Point (DP), Wet Bulb Temperature (WB) and Humidity (RH) and is an ideal instrument for Indoor Air Quality (IAQ) diagnosis.

Poor indoor air quality 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 offices, classrooms, factories, hospitals, and hotels.

This continuous monitoring kit set includes a universal power adapter and Software CD & USB Cable for on-line data logging when connecting to PC. Data logged in the software can be exported in chart or txt file for further analysis.

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  • Triple displays of CO2 level, temperature, and Humidity
  • Stable NDIR sensor for CO2 detection
  • Statistics of weighted averages
    • TWA (8 hours weighted average)
    • STEL (15 minutes-weighted average)
  • Backlight for working in dark area
  • Dual power source, battery (included) or 9V adaptor. Power from the battery is automatically cut off when the 9V adaptor is in use
  • Easy manual calibration on CO2 and humidity
  • PC connection for online logging and data analysis
  • Portable Design
  • Manual calibration of CO2 and Humidity is available
  • Updates reading every second on the meter, output to PC every 2 seconds
  • Auto / Manual power off
  • Factory calibrated


  • Measuring Range:
    • CO2: 0~9999ppm
      • (5001~9999 out of scale)
    • Temperature: -10~60°C (14~140°F)
    • Humidity: 0.1% ~ 99.9%RH
    • Dew Point: -20.0~59.9°C
    • Wet Bulb : -5.0~59.9°C
  • Resolution: 1ppm, 0.1°C/°F, 0.1%RH
  • Accuracy:
    • CO2: ±30ppm ±5% of reading within 0~5000ppm (other ranges are not specified)
    • Temperature: ±0.6°C / ±0.9°F
    • Humidity: ±3%RH (at 25°C, 10~90%RH);
      • ±5%RH (at 25°C, others)
  • Warm-up time: 30 seconds
  • Response time
    • CO2: <30 seconds (90% step change)
    • Temp: <2 mins (90% step change)
    • RH: <10 mins (90% step change)
  • LCD Size: 26mm x 44mm
  • Operating Condition: 0~50°C, 0~95%RH (avoid condensation)
  • Storage Condition : -20~50°C, 0~95%RH (avoid condensation)
  • Power Supply: 4x AA batteries
  • Battery life: >24 hours (alkaline batteries)
  • Meter size: 205mm x 70mm x 56mm ( L x W x H)
  • Weight: 200g

Set Includes:

  • 1x Portable CO2 meter
  • 4x AA batteries
  • 1x CD Software & USB Cable
  • 1x 9V Universal Power Adapter
  • English Operation Manual
  • Hard Carrying Case

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