AM7p HCHO Detector Air Quality Detect Machine Home Circumstance Tester

Features:
Miniaturized 7 in 1 home air quality integrated detecting solution, help detect PM2.5, PM10, HCHO, TVOC, CO2, TEMPERATURE, Relative Humidity.
Modular unit design, hot swappable sensor components, easier to maintain.
Provides up to 7 daily air quality data references.
The formaldehyde detection sensor uses a brand new V-4 amp module to provide 150uV low-temperature drift performance.
Formaldehyde detect sensor provides least significant bit resolution as low as 0.004mg/m3.
The new rangy temperature calibration technology allows device adjusting could be done under outdoor environments even at -10 C.
Rapid data output capability, all reading data can be recorded every 4 seconds in extended TF card.
Fully open design makes the internal airflow exchange smooth, and temperature, humidity detection sensitive, which is more accurate by comparing other competing products using built-in probe and compensation method to calculate temperature.
The whole device is equipped with 18650 lithium battery, easy to replace and purchase, standard version can provide 6 hours of battery life.
AIR MASTER devices can guarantee stable long-term test of 7*24 hours by connecting with micro-USB port.
Non consumable materials, 3 to 5 years of average sensor life.