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 in 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. The stain darkness
is read by an optical sensor in the FP-31, 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. There are no known interfering gases, as
shown on the chart on the reverse side of this sheet.
Detection Ranges
30 minute sample 0 - 0.4 ppm (0.005 ppm/digit)
15 minute sample 0 - 1.0 ppm (0.01 ppm/digit)
Features
• Simple operation
• Built-in sample draw pump
• Easy to read LCD display
• Self-diagnosis
• Uses photoelectric photometry technology
• Direct digital readout
• Colorimetric detection tablet method
• No false readings from interfering gases
• Operates on 4 AA alkalines
• Stores 99 readings
• No warm up time
Applications
• Furniture and woodworking
• Coating and varnishing
• Engineered wood products
• Medical / veterinary
• Painting & corrosion resistant finishes
• Carpet manufacture & storage
• Adhesives
• Heat treatment operations
• RV/Trailer/mobil home inspecting
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