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Formaldehyde and TVOC Meter - FM260

SKU# - TRFM260

The Triplett Model FM260 Formaldehyde and TVOC Total Volatile Organic Compounds Meter can simultaneously display real-time measurements of HCHO/CH2O and TVOC concentrations in the air.  

  • $279.99
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Formaldehyde and TVOC Meter -  TRFM260

The TRFM260 Formaldehyde and TVOC Meter can simultaneously display real-time measurements of Formaldehyde and Total Volatile Organic Compounds ( VOC ) concentrations in the air.

Potential sources for TVOCs include paints, finishes, adhesives, cigarette smoke, pesticides, personal care products, car exhaust, new furnishings, wall coverings, household cleansers, and cooking fuels. 

Chemicals include: Acetone, Ethylene Glycol, Formaldehyde, Xylene, 1,3‐butadiene, Tetrachloroethene, Hydrogen Sulfide, Ammonia, Toluene, Benzene, Methylene Chloride, Perchloroethylene, and MTBE. 

Formaldehyde and TVOC Meter Features:  

  • Simultaneous real‐time display of HCHO/CH2O (Formaldehyde) and TVOC (Total Volatile Organic Compounds) concentrations in the air
  • Two selectable units of measure (ppm, mg/m³)
  • Fuel Cell Formaldehyde Sensor Technology for high accuracy measurement
  • Backlit dual LCD
  • Audible and visual high/low alarms for HCHO
  • Auto power off conserves battery life
  • 1 year warranty
  • Includes rechargeable 7.4V Li-Po battery and AC charger/adapter

Formaldehyde and TVOC Meter Specifications:

Formaldehyde (HCHO/CH2O) Range0.00 to 5.00 mg/m³ (ppm)
Accuracy±5% FS
Resolution0.01 mg/m³ (ppm)
TVOC Range0.00 to 9.99 mg/m³ (ppm)
Accuracy±5% FS
Resolution0.01 mg/m³ (ppm)
Response Time≤ 2 seconds
PowerRechargeable 7.4V Li-Po Battery
Dimensions6.5 x 2.4 x 1"

Click Here for User's Manual

    • Weight
      1 lbs
    • SKU
  • Manufacturer
    Triplett Test Equipment & Tools
  • Dimensions
    6.5 x 2.4 x 1"
  • Product Weight
  • Power Source
    Rechargeable 7.4V Li-Po battery
  • Warranty
    1 year warranty

Product questions

  • James Joseph Butler
    12/12/2022, 03:17 PM

    Can the data be down- loaded from the unit?

    12/13/2022, 09:27 AM

    No. This meter does not log the readings.

  • Amanda
    08/09/2022, 05:27 PM

    Have calibration certification?

    08/10/2022, 10:16 AM

    The FM260 measures HCHO (formaldehyde) and TVOC (Total Volatile Organic Compounds). The unit comes calibrated and does not require re-calibration since it uses the Fuel Cell Formaldehyde Sensor Technology it should last for years and years and within its stated accuracy of ±5% FS (Full Scale of Range).
    If you wanted to periodically check to make sure the unit is accurate yourself, you would invest in some formaldehyde reference calibration gases. The range of this meter is 0.00 to 5.00 mg/m³ (or PPM) so you would want to find a gas in this range and then you’d have to set up some sort of chamber or stable temp, humidity, and pressure environment. The less expensive option may be to find a calibration lab that offers this type of service and see if they can verify it and provide you with a NIST certificate.
    I found some online that may help you - GASCO Formaldehyde Calibration Test Gas ( -
    The other way is the old comparison method and like you said buying (2) meters of the same brand is key. Different meters use different technologies and the accuracies may vary in many ways. So stick with ours I would say. This meter has proven to be a great meter at the price and quality goes.
    If you are looking for what a “good, bad” reading should be – I would suggest you look at the latest OSHA standard guidelines here for this type of info as they are always changing and depends on environments – closed/open etc., This can be found here:

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