TestoPropeller anemometer 100 mm and cone set 417 kit 1-TESTO-0563 1417

Testo 417 Anemometer Set with Measurement Funnels – Handheld Airflow Meter for Air Velocity, Volume Flow, and Temperature at Air Inlets and Outlets – CFM Meter HVAC 32 to +122 °F, App Compatibility

Testo 605i | Thermohygrometer for Indoor Temperature and Humidity Measurement | with Bluetooth Support

testo 405i – Anemometer handheld for air velocity, in-duct airflow, and temperature – CFM meter with Bluetooth and App operation