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Uni-T A25D PM2.5 Monitors
The A25 Series PM2.5 is a compact air quality monitor designed for everyday use in a variety of settings—from homes to offices and commercial spaces. The device focuses on measuring PM2.5 concentrations, allowing you to quickly assess air quality and take action when it deteriorates. Built-in features, such as audible and visual alarms and automatic baseline calibration, make the meter easy to use and require no specialized knowledge. Additional features, such as a backlit screen and automatic shut-off, enhance user convenience and save energy.
Included
- A25 Air Quality Monitor
- Micro USB cable
- User manual
| Manufacturer |
Uni-T |
| Measurement |
PM2.5 |
| Range |
0–500 µg/m³ |
| PM2.5 measurement accuracy |
0~100 ±(10 µg/m³ + 10 dgts); 101–400 ±(10% + 30 dgts); 401–500 ±(10% + 50 dgts) |
| Formaldehyde (HCHO) range |
0–2 mg/m³ |
| Temperature (°C) |
0–2 mg/m³ for reference purposes only ±1°C |
| Temperature (°F) |
0~2 mg/m³ for reference purposes only ±1.8°F |
| Humidity |
±5%RH@30%~80%RH; ±8%RH@<30%RH, >80%RH |
| Automatic baseline calibration |
yes |
| Audible and visual alarm |
yes |
| Low battery indicator |
Yes |
| Auto power off |
Yes |
| Screen backlight |
Yes |
| Power supply |
1500 mAh polymer battery |
| Display |
42 × 65 mm |
| Color |
White-gray |
| Weight |
230 g |
| Product dimensions |
75 × 55 × 130 mm |
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