Working principle
Using the principle of "precise diversion technology+mass flow meter (air)" to measure flow rate.

　　Product Features
Plug and play flow measurement for PM2.5 monitoring devices;
Touch interface, simple and practical, easy to operate;
Can directly read instantaneous flow or average flow within a specified time period;
Standard conditions or operating flow rates can be selected as needed (0 ℃, 20 ℃, 25 ℃ are optional);
Equipped with a wireless module, it can remotely set and record flow meter calibration and measurement parameters;
The gas path structure is simple, easy to connect, and can work continuously;
Automatic temperature and pressure compensation;
Automatic brightness adjustment.
Built in lithium battery power supply (with charger).