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  • EXTECH FM300 Desktop Formaldehyde (CH2O or HCHO) Monitor

    # FM300

    • Triple function – determines and displays formaldehyde content, air temperature and air humidity levels
    • Built-in audible alarm
    • 99 record internal memory with recall function
    • Simultaneously displays Formaldehyde concentration, Air Temperature, and Relative Humidity readings with date (Year, Month, Day) and time
    • Visibly bright LED (green & red) and three facial icons indicate indoor CH2O warning level
    • Audible beeping alarm default at 0.08ppm (adjustable)
    • Designed with Electrochemical CH2O sensor
    • Min/Max value recall function
    • Calculates statistical weighted averages of TWA (8-hour Time Weighted Average) and STEL (15-minute Short Term Exposure Limit)
    • CH2O Calibration function in fresh air
    • Internal memory for manually storing up to 99 readings with recall function
    • Complete with Universal AC adapter (100V-240V) and multiple plug types (US, EU, UK, AUS)
    SpecificationsRangeResolutionBasic Accuracy
    Formaldehyde (HCHO and CH₂O)0.00 to 5.00ppm0.01ppm±5%
    Temperature32 to 122°F (0 to 50°C)0.1°F/°C±2°F/1°C
    Humidity10 to 90%RH0.1%RH±5%RH
    Dimensions/Wt6.1 x 3.4 x 3.2″ (155 x 87 x 81mm)/ 5.8oz (165g)

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