What is digital anemometer BT-100?

The BTMETER handheld anemometro BT-100 is a wind speed measurement device that can measure air flow velocity from 59~5905 ft/min with 5% high accuracy, test wind temperature 14℉~113℉ with ±3.6℉accuracy.

What can the BT-100 handheld air flow meter do?

It can monitor wind speed for HVAC system to assess its cooling and heating efficiency, balance air vent flow, troubleshoot dust collector issues, and also test wind speed for wind-related activities such as drone driving, shooting, hunting etc.

What is the measurement range and resolution of this digital anemometer BT-100?

The BTMETER anemometer BT-100 can measure wind speeds in 5 units, each with different resolutions: 0.3-30 m/s (0.1 resolution), 59-5905 ft/min (19 resolution), 1-55 knots (0.2 resolution), 2-90 km/h (0.3 resolution), and 1-65 mph (0.2 resolution)

Can this be used to measure cfm going to hvac air handler at inlet filter?

Yes, you can use it to detect hvac air vent wind situation. But please noted that it can't directly display CFM airflow volume reading - manual calculation will be required to get this. FYI, Air Flow CFM(Q)=Wind speed(V) xDuct Cross Sectional Area(A)

How much does this windometer weigh?

The BTMETER airflow tester BT-100 has a weight of approximately 155g and a compact handheld size of 165 x 85 x 38mm