Détecteur de qualité de l'air PM2.5 Moniteur portable PM2.5 avec thermomètre et hygromètre, pour une utilisation intérieure/extérieure à la maison, au bureau ou en voyage.

[Portable and Durable] With a built-in 1600mAh rechargeable battery, its compact and portable design makes it ideal for home office, travel, or outdoor use, eliminating the need for frequent charging. [Edible Display] The adjustable brightness LCD screen clearly displays real-time PM2.5, temperature, and humidity measurements under various lighting conditions. [Stable and Flexible] Equipped with a stable stand, it can be placed on a desktop in bedrooms, classrooms, or work areas, ensuring stable monitoring during sleep or activity. [High-Precision Monitoring] PM2.5 measurement range is 0 to 999 µg/m³, and it can accurately detect temperature (-10°C to 50°C) and humidity (20%-85% RH), providing reliable air quality data. [Real-Time Alarms and Calibration] Air samples are collected every 1.5 seconds, an audible alarm is triggered when PM2.5 concentration peaks are observed, and manual calibration is supported to maintain long-term measurement accuracy.