TFA Dostmann Digital Professional Thermo-Hygrometer Black Yellow 31.1066 31.1066.01

Monitor indoor climate with precision using the TFA Dostmann Digital Professional Thermo-Hygrometer. Ideal for homes, offices, or storage areas, this device provides accurate temperature and humidity readings to help maintain a comfortable and healthy environment. Its black and yellow housing is both functional and easy to spot.

Key specifications

• Temperature measurement range (indoor): -10 to +60 °C (14 to 140 °F)
• Humidity measurement range (indoor): 10 to 99 % RH
• Temperature accuracy: ±1 °C (0 to 50 °C), otherwise ±1.5 °C
• Humidity accuracy: ±3 % RH (30 to 70 % RH), otherwise ±5 % RH
• Temperature resolution: 0.1 °C
• Humidity resolution: 1 % RH
• Display: LCD
• Functions: MAX/MIN values, dew point, wet bulb temperature, comfort zone indicator
• Temperature units: °C / °F switchable
• Power supply: 2 x 1.5 V AAA batteries (not included)
• Mounting: wall mounting or table stand
• Housing material: plastic
• Update rate: approx. 10 seconds

Why choose it

This thermo-hygrometer offers professional-grade accuracy and a comprehensive set of features, including dew point and wet bulb temperature calculations, making it suitable for both hobbyists and professionals. The comfort zone indicator helps you quickly assess whether the environment is within optimal conditions.

Ideal use cases

• Monitoring living spaces for comfort and health
• Checking humidity levels in cellars, garages, or storage rooms to prevent mold
• Use in greenhouses or terrariums to maintain proper climate
• Professional applications such as HVAC or building inspections

Good to know

The device can be placed on a table using the integrated stand or mounted on a wall for permanent installation. It operates on two AAA batteries, which are not included in the delivery.