The VFM200 monitors VOC (Volatile Organic Compound) and Formaldehyde concentrations in real time. Fast reaction time, compact, easy to transport, and ideal for testing indoor air quality in homes, workplaces, industries, hotels, schools, and other indoor spaces. Paints, finishes, adhesives, cigarette smoke, pesticides, personal care products, car exhaust, new furnishings, wall coverings, household cleaners, and cooking fuels are all potential sources of volatile organic compounds. Chemicals include acetone, ethylene glycol, formaldehyde, xylene, 1,3-butadiene, tetrachloroethene, hydrogen sulfide, ammonia, toluene, benzene, methylene chloride, perchloroethylene, and MTBE.