RKI FP-31 Formaldehyde Gas Detector (each) Metal Detectable Air sampling filters may be

Air sampling filters may be attached to the collar or lapel

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RKI FP-31 Formaldehyde Gas Detector (each) Metal Detectable Air sampling filters may beThe 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