TFA Dostmann 30.1015 Indoor Thermometer Hygrometer with Max/Min Memory, White/Silver

Homeowners and facility managers rely on the TFA Dostmann 30.1015 to keep living rooms, offices, and storage areas within safe temperature and humidity levels. Its clear LCD shows current readings at a glance, while the max/min memory helps track overnight or weekend changes.

Key specifications

• Measures temperature from -10 to +60 °C (14 to 140 °F) with ±1 °C accuracy
• Measures relative humidity from 10 to 99 % RH with ±5 % RH accuracy (30–80 % RH)
• High resolution: 0.1 °C for temperature, 1 % RH for humidity
• Max/min memory for both temperature and humidity
• Switchable °C / °F units
• Powered by 1x AAA 1.5 V battery (included), approx. 1 year battery life
• Wall-mounting hole and fold-out stand for flexible placement
• ABS plastic housing in white/silver

Why choose it

This compact instrument delivers dependable climate monitoring without complexity. The large LCD is easy to read from across a room, and the max/min function lets you verify that conditions stayed within a desired range—useful for wine storage, server rooms, or allergy-sensitive bedrooms.

Ideal use cases

• Monitoring indoor climate in living spaces and bedrooms
• Checking humidity in offices, archives, or storage rooms
• Tracking temperature swings in hobby rooms or greenhouses
• Simple HVAC verification in rental properties

Good to know

The 30.1015 is designed for indoor use only. Battery replacement is straightforward, and the unit continues to display max/min values until manually reset. For best accuracy, place it away from direct sunlight, radiators, and air vents.