سرعت سنج باد تستو مدل testo 405i دارای مشخصات فنی زیر است:
| Measuring range | -4° to 140 °F / -20 to +60 °C |
| Accuracy | ±0.9 °F / ±0.5 °C |
| Resolution | 0.1 °F / 0.1 °C |
| Velocity – Hot wire anemometer | |
|---|---|
| Measuring range | 0 to 5906 fpm / 0 to 30 m/s |
| Accuracy | ±(19.7 fpm + 5 % of mv) (0 to 394 fpm) / ±(0.1 m/s + 5 % of mv) (0 to 2 m/s)
±(59.1 fpm + 5 % of mv) (394 to 2953 fpm) / ±(0.3 m/s + 5 % of mv) (2 to 15 m/s) |
| Resolution | 1.97 fpm / 0.01 m/s |
| General technical data | |
|---|---|
| Weight | 4.22 oz. / 119.6 g |
| Dimensions | 8 x 1 x 2 in. / 200 x 30 x 41 mm |
| Operating temperature | -4° to 122 °F / -20 to +50 °C |
| Housing | Plastic |
| System requirements | requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0 |
| Product colour | black/orange |
| Battery type | 3 x AAA |
| Battery life | 15 h |
| Length probe shaft | 15.748 in. / 400 mm |
| Storage temperature | -4° to 140 °F / -20 to +60 °C |
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