Amazon.com: Extech AN100 CFM/CMM Mini Thermo-Anemometer : Industrial & Scientific
Model 473B | 100 mm Vane Thermo-Anemometer Test Instrument is a versatile unit that quickly and easily measures air velocity or volumetric air flow. Stainless steel vane probe is included. Lightweight and
Amazon.com: Extech SDL300 Metal Vane Thermo-Anemometer and Datalogger, 2.80" dia. : Industrial & Scientific