The Testo compact 16 mm vane anemometer with telescopic probe and App connection, you can carry out flow measurements in ventilation ducts of air conditioning and ventilation systems easily, quickly and precisely. The integrated telescope can be extended up to 850 mm, making it easier to work overhead or in large diameter ducts. To ensure that you have all the relevant information at your fingertips, the testo 416 automatically calculates time and point average values.

Precise flow measurement and volume flow calculation
Timed and point mean value calculation
Operating temprature is -10 to +50 °C
Battery life is 60 hours