Electronic environment thermometer TFA-Dostmann 30.1035 Indoor F °C

The TFA-Dostmann 30.1035 is an electronic environment thermometer for indoor use with a large display. It measures temperature in Celsius and Fahrenheit, stores maximum and minimum values with automatic reset, shows time, and uses both a light-sensor controlled solar lighting and a time switch. The device is weather resistant, compact and supplied with an adhesive, a rechargeable 1.2 V AAA battery and a 1.5 V AAA battery.

Advantages

The large display and reversible °C/°F readout make temperature monitoring simple and flexible. Solar lighting controlled by a light sensor and an additional time switch improve readability in low light without constant battery drain. Automatic recording of maximum and minimum temperatures helps track environmental changes, while the included batteries and adhesive allow immediate installation.

Suitable for

• Indoor temperature monitoring in homes and offices
• Rooms where both °C and °F readouts are required
• Locations with variable lighting where automatic display illumination is useful
• Quick installation on flat surfaces using the included adhesive

Key specifications

• Model: TFA-Dostmann 30.1035
• Measurement range (ambient): -25…+70 °C
• Units: °C and °F (reversible)
• Functions: current temperature, max/min with auto reset, time display
• Power: rechargeable 1.2 V AAA battery and 1.5 V AAA battery included; solar lighting with light sensor and time switch
• Dimensions: 120 x 92 x 26 mm
• Weight: approx. 130 g
• Mounting: adhesive (included)

How to use

Place or adhere the thermometer on a stable indoor surface away from direct heat sources and drafts. Insert the supplied rechargeable 1.2 V AAA battery and the 1.5 V AAA battery into their compartments following polarity markings. The display will show current temperature and time; switch units between °C and °F if needed. The solar lighting will activate automatically via the light sensor or according to the time switch to improve visibility in low light. Max and min values are recorded automatically and reset according to the device’s auto-reset function.

Recommendations

Install the device indoors out of direct sunlight and not above heaters or radiators to ensure accurate readings; replace or recharge batteries as needed and clean the solar sensor area for reliable illumination.