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. 

Features:

1. Precise PM2.5 concentration based on pre-calibrated sensors
2. Temperature measurement (°C/°F)
3. Humidity measurement 
4. Emoticon display
5. LCD backlight and red backlight alarm
6. Battery status, low power, auto power off
7. Formaldehyde concentration

 Package Includes:

1 x Uni T A25F PM2.5 Meter

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