RKI Instruments Formaldehyde Monitor FP-31

Was: $1,050.00
Now: $945.00
5-7 DAYS
1.07 LBS
Calculated at Checkout
#Easy to Use#Low Detection Levels#Requires Tablets
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RKI Instruments Formaldehyde Monitor FP-31

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The FP-31 is a highly sensitive portable gas detector specific for formaldehyde detection. It uses a photoelectric photometry method, which utilizes colorimetric tablets for detection. A tablet is placed into the instrument, and then a room air sample is pumped onto the tablet for either a 15-minute or a 30-minute period. If formaldehyde is present, it will cause the chemically impregnated tablet surface to darken or stain. The magnitude of the stain directly correlates to the level of formaldehyde in the air. An optical sensor in the FP-31 reads the stain darkness, and then the instrument calculates the formaldehyde concentration. The FP-31 then has a direct readout of the formaldehyde measurement on an easy to read LCD display. The unit is capable of detecting very low levels of formaldehyde, in order to confirm if an area contains safe breathing levels. The FP-31 is specific to formaldehyde and has no interfering gases.


  • Built-in sample draw pump
  • Photoelectric photometry technology
  • Direct digital readout
  • Colorimetric detection tablet method
  • No false readings from interfering gases
  • Operates on 4 AA
  • Stores 99 readings
  • No warm up time