Great in theory, perhaps, but as [ItMightBeWorse] found out, a homemade pinwheel is far from an ideal anemometer. His experiments in air duct flow measurements, which previously delved into ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.

Description: The PAV5000 series MEMS anemometer sensor is fully calibrated and temperature-compensated for easy integration into portable anemometers and fixed in-duct air velocity monitors ... Posifa ...