Order number: 0560 1405
testo 405i thermal anemometer with smartphone operation, including extendible (400 mm) telescope, batteries
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The hot-wire anemometer testo 405i, in combination with a smartphone or tablet, is a compact measuring instrumentfor air flow velocities, temperatures and volume flows. Equipped with a telescopic shaft, extendable to 400 mm, it allows flexible applications in rooms and ducts. Via
the testo Smart Probes App installed on the end device, users can comfortably read off their measurement values, configure volume flow measurements quickly and easily, and reliably determine timed and multi-point mean values. The measurement protocols can then be directly sent as PDF or Excel files. In combination with the thermal hygrometer testo 605i, the testo 405i is suitable for determining cooling or heating performance.
testo Smart Probes App
The App turns your smartphone/tablet into the display of the testo 405i. The operation of the measuring instrument as well as the display of the measurement values take place by Bluetooth via the Testo Smart Probes App on your smartphone or tablet – independently of the measurement location. In addition to this, you can use the App to create measurement reports, add photos and comments to these, and send them by e-mail. For iOS and Android
Sensor type Hot wire
| Measuring range | 0 to 30 m/s |
| Accuracy | ±(0.1 m/s + 5 % of m.v.) (0 to 2 m/s) ±(0.3 m/s + 5 % of m.v.) (2 to 15 m/s) |
| Resolution | 0.01 m/s |
Sensor type NTC
| Measuring range | -20 to +60 °C |
| Accuracy | ±0.5 °C |
| Resolution | 0.1 °C |
General technical data
| Compatability requires | iOS 8.3 or newer / Android 4.3 or newer Bluetooth 4.0 |
| Storage temperature | -20 to +60 ° C |
| Operating temperature | -20 tо +50 ° C |
| Battery type | 3 micro batteries AAA |
| Battery life | 15 hrs |
| Dimensions | 200 x 30 x 41 mm |
| Telescope extendable | to 400 mm |
| Warranty | 2 years |
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