A25F PM2.5 Meter (Discontinued)
A25M (handheld) /A25D (benchtop) /A25F (benchtop) are air quality meters used to measure PM2.5 concentration. A25F can also measure formaldehyde concentration. PM2.5/Formaldehyde concentrations display diﬀerent emoticons on screen to help users visualize their environmental conditions.
A25 series can be used in homes, laboratories, oﬃces, hotels, schools, factories, conference rooms, airports, hospitals, restaurants, and many other public places.