– Ideal for measuring air velocity, volume flow, and temperature
– Easy setup of duct size and shape to accurately calculate volume flow
– Perfect for use in ventilation systems – features a telescopic probe extendable up to 400 mm
– Effortless operation with the testo Smart App – view live readings, track data trends, and log measurements with ease
The testo 405i hot wire anemometer offers precise measurement of airspeed, airflow, and temperature. Thanks to Bluetooth connectivity, all data is transmitted directly to the testo Smart App on your smartphone or tablet. The app allows for convenient monitoring, comprehensive data analysis, and access to smart functions designed to streamline HVAC and ventilation diagnostics.
Standard set: testo 405i anemometer, extendible telescope, batteries, calibration protocol.
Code: 0560 1405










