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Testo 410i

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The Testo 410i smart probe anemometer is an air velocity measuring device that links to smart phones and tablet devices to display and log measurement data. The product is suitable for measuring flow rates at grilles / diffusers and the smart probe App calculates the air volume.

The Testo smart probes can be used individually or combined with other smart probes to create measuring solutions for most HVAC / HVAR applications.


Air velocity measuring range 0.4 to 30.0m/s

Air velocity accuracy ±(0.2 m/s + 2% of m.v.) (0.4 to 20 m/s)

Air velocity resolution 0.1 m/s

Temperature sensor type NTC

Temperature measuring range -20 to +60 °C

Temperature accuracy ±0.5 °C

Temperature resolution 0.1 °C

Testo smart App system requirements Mobile device requires iOS 8.3 or newer, or Android 4.3 or newer operating systems; Device also needs Bluetooth 4.0 capabilities

Warranty 2 years

Battery type x3 AAA batteries

Typical battery life 200 hours

Storage temperature -20 to +60 °C

Dimensions 154 x 43 x 21 mm

Operating temperature -20 to +50 °C


The Testo 410i works on smart devices with either Android or Apple operating systems. The App is a powerful and easy-to-use tool that allows you to remotely read measurements from up to six (6) smart devices. All measurement data is displayed as instrument readings, tables, or graphs. The measurements can be quickly saved as PDF or Excel files. The App creates custom reports which can be saved and / or shared by email.

Support documents

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Testo smart probe user manual.pdf Testo smart probe user manual
Technical document
File type
Adobe Acrobat
Download (2 MB)