UNI-T A25F Air Quality Monitor

The UNI-T A25F is an advanced indoor air quality monitor designed to measure PM2.5, formaldehyde (HCHO), temperature, and humidity with high accuracy. Featuring a large 42mm × 65mm LCD with backlight and red warning alerts, it’s perfect for real-time monitoring in homes, offices, labs, schools, hospitals, and more. It detects PM2.5 levels up to 500 μg/m³ and formaldehyde concentrations up to 2 mg/m³ with ±0.06 mg/m³ precision in low ranges. Temperature readings are accurate to ±1°C (or ±1.8°F), and humidity measurements cover 5%–99%RH with excellent reliability. Additional features include a concentration emoticon for quick status checks, auto power-off, and low battery indication. Powered by a 1500mAh rechargeable polymer battery, the A25F offers portability, ease of use, and reliable indoor air monitoring. Includes a 1m micro USB charging cable.