Testo 405i Thermal Anemometer with Smartphone Operation
The Testo 405i is a Bluetooth-capable hot-wire anemometer designed for measuring air flow velocities, temperatures, and volume flows. In combination with a smartphone or tablet, it serves as a compact professional tool for HVAC technicians. Using the Testo Smart Probes App, users can configure volume flow measurements, determine timed/multi-point mean values, and send measurement protocols directly as PDF or Excel files.
Strengths:
- Compact professional measuring instrument for use with smartphones and tablets
- Measurement of air flow velocity, volume flow, and temperature
- Measurement data analysis and transmission via the Smart Probes App
- Integrated telescopic shaft, extendable up to 400mm (15.7")
- Easily combined with the Testo 605i hygrometer to determine cooling or heating performance
General Technical Data:
| Technical Specifications | |
|---|---|
| Compatibility | Requires iOS 11.0 or newer / Android 6.0 or newer; Bluetooth 4.0 |
| Operating Temperature | -20 to +50°C |
| Storage Temperature | -20 to +60°C |
| Battery Type | 3 x AAA batteries |
| Battery Life | 15 hours (typical) |
| Dimensions | 200 x 30 x 41 mm |
| Telescope | Extendable to 400mm |
Testo Smart Probes App
The App turns your mobile device into the display for the Testo 405i. Operation and data visualization occur via Bluetooth, independent of the measurement location. Users can create comprehensive reports, add photos or comments, and share them via email. The Testo Smart Probes App is available for free on both the Apple App Store and Google Play Store.
