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This DT-900A measures VOC (Volatile Organic Compound) and Formaldehyde concentrations in real-time.  Fast response time, compact, easy-to-carry, and excellent for checking the indoor air quality of homes, offices, factories, hotels, schools and other indoor environments. It displays Formaldehyde in the air and the concentration of TVOC (Total Volatile Organic Compound), and calculate the value of API (Air Pollution Index).


Rental rate: $69.00/week

VOC/ Formaldehyde Meter CH2O/HCHO

SKU: DT-900A
  • Features

    • Backlit LCD displays both TVOC (Total Volatile Organic Compound) and HCHO or CH2O (Formaldehyde) concentrations in real-time· Real-time displays the API (Air Pollution Index)
    • High accuracy and reliability fuel cell Formaldehyde sensor
    • Two switchable units, ppm and mg/m3
    • Audio and visual alarms
    • Auto power off 


    • HCHO
    • Range: 0.00 to 5.00mg/m³
    • Resolution: 0.01mg/ m³
    • Accuracy: ±5% F.S.
    • TVOC
    • Range: 0.00 to 9.99mg/m³
    • Resolution: 0.01mg/ m³
    • Accuracy: ±5% F.S.
    • Response time: =<2s
    • Operating temperature : 0ºC to 40ºC
    • Storage temperature: -10ºC to 60ºC
    • Charge time: 3 hours
    • Working Voltage: 7.4V (Rechargeable battery)
    • Dimensions: 6.5x2.4x1" (165 x 60 x 25mm)
    • Weight: 1.3 lbs (584g) 

    Standard Delivery

    • DT-900A
    • Power Adaptor· Li battery
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