The Testo 610 Compact Thermohygrometer (Humidity & Temperature Meter) is a reliable instrument for accurate measurement of air temperature and relative humidity in indoor environments. Equipped with a long-term stable Testo humidity sensor, it automatically calculates dew point and wet bulb temperature, providing valuable information for environmental monitoring and condensation assessment. Its compact design, backlit display, and practical functions make it ideal for HVAC, warehouses, production areas, offices, and building inspections.
Features
- Measures air temperature and relative humidity simultaneously
- Temperature range: -10 °C to +50 °C
- Humidity range: 0 % to 100 % RH
- Automatic dew point and wet bulb calculation
- Backlit digital display for easy reading
- Min/Max and data hold functions
- Compact, portable design with belt clip
- Long battery life (~200 h)
Technical Specifications
| Temperature Measuring Range | -10 °C to +50 °C |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Humidity Measuring Range | 0 % to 100 % RH |
| Humidity Accuracy | ±2.5 % RH |
| Humidity Resolution | 0.1 % RH |
| Dew Point & Wet Bulb | Automatic calculation |
| Display | Backlit digital |
| Battery Type | 2 × AAA (LR03) |
| Battery Life | ≈200 h |
| Dimensions | 119 × 46 × 25 mm |
| Weight | ≈90 g (with batteries & cap) |
| Protection Class | IP20 |
| Operating Temp. | -10 °C to +50 °C |
| Storage Temp. | -40 °C to +70 °C |





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