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Temperature - NTC | |
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Measuring range | -4° to 140 °F (testo 405i + testo 410i + testo 605i) / -20 to +60 °C (testo 405i + testo 410i + testo 605i) |
Accuracy | ±0.9 °F (testo 405i + testo 410i) / ±0.5 °C (testo 405i + testo 410i) ±1.4 °F (-4° to 32 °F) (testo 605i) / ±0.8 °C (-20 to 0 °C) (testo 605i) ±0.9 °F (32° to 140 °F) (testo 605i) / ±0.5 °C (0 to +60 °C) (testo 605i) |
Resolution | 0.1 °F (testo 405i + testo 410i + testo 605i) / 0.1 °C (testo 405i + testo 410i + testo 605i) |
Temperature - Infrared | |
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Measuring range | -22° to 482 °F / -30 to +250 °C |
Accuracy | ±34.7 °F or ±1.5 % of mv (32° to 482 °F) / ±1.5 °C or ±1.5 % of mv (0 to +250 °C) ±36 °F (-4° to 31.8 °F) / ±2 °C (-20 to -0.1 °C) ±36.5 °F (-22° to -4.2 °F) / ±2.5 °C (-30 to -20.1 °C) |
Resolution | 0.1 °F / 0.1 °C |
Humidity - Capacitive | |
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Measuring range | 0 to 100 %rH |
Accuracy | 5 to 80 %rH: ±(1.8 %rH + 3 % of mv) at +25 °C |
Resolution | 0.1 %rH |
Velocity - Hot wire anemometer | |
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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 | |
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Dimensions | 8 x 1 x 2 in. (testo 405i) / 200 x 30 x 41 mm (testo 405i) 6 x 1 x 1 in. (testo 805i) / 140 x 36 x 25 mm (testo 805i) 6 x 2 x 1 in. (testo 410i) / 154 x 43 x 21 mm (testo 410i) 10 x 1 x 1 in. (testo 605i) / 243 x 30 x 24 mm (testo 605i) |
Operating temperature | -4° to 122 °F (testo 405i + testo 410i + testo 605i) / -20 to +50 °C (testo 405i + testo 410i + testo 605i) 14° to 122 °F (testo 805i) / -10 to +50 °C (testo 805i) |
System requirements | requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0 |
Battery type | 3 micro batteries AAA (per Smart Probe) |
Battery life | 15 h (testo 405i), 130 h (testo 410i), 150 h (testo 605i), 30 h (testo 805i) |
Storage temperature | -4° to 140 °F / -20 to +60 °C |
Diameter vane | 40 mm (testo 410i) |