Measures air temperature and relative humidity in rooms and ducts
Verified product information
Wireless thermo-hygrometer
-20 to +60 °C · 0 to 100% RH · automatic dew point and wet-bulb calculation

Product overview
-20 to +60 °C · 0 to 100% RH · automatic dew point and wet-bulb calculation
Key capabilities
testo 605i
Automatic dew-point and wet-bulb calculation
Wireless display and documentation in testo Smart App
Bendable 100 mm probe shaft
Up to 150 hours battery life
Technical specifications
10 Technical specifications
Parameters shown here are taken from the product information supplied by Hadrick Technology.
- Order Number
- 0560 2605 02 (China-market version)
- Temperature Range
- -20 to +60 °C
- Temperature Accuracy
- ±0.8 °C (-20 to 0 °C); ±0.5 °C (0 to +60 °C)
- Humidity Range
- 0 to 100% RH
- Humidity Accuracy
- ±2.0% RH (35 to 65% RH at +25 °C); ±3.0% RH (10 to 35% and 65 to 90% RH); ±5% RH outside these ranges
- Resolution
- 0.1 °C / 0.1% RH
- Probe Shaft
- 100 mm, bendable
- Dimensions
- 243 × 30 × 24 mm
- Weight
- 86.4 g
- Battery
- 3 × AAA; approximately 150 h
testo 605i
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-20 to +60 °C · 0 to 100% RH · automatic dew point and wet-bulb calculation