Liquid environment thermometer TFA-Dostmann 12.3040.20 Indoor/outdoor 0-50°C

The TFA-Dostmann 12.3040.20 liquid environment thermometer measures temperatures from 0 to 50 °C and is suitable for both indoor and outdoor use. The thermometer features a decorative printed design with trailing flowers, birds and butterflies on a large plastic housing. It is manufactured in Germany and offers a two-point adjustment for improved accuracy; the capillaries are filled with a specially coloured liquid (mercury-free).

Advantages

This liquid environment thermometer provides clear readings across a 0–50 °C range with an accuracy of ±1 °C. Its compact dimensions (92 mm width, 11 mm depth, 500 mm height) allow easy installation and good readability. The mercury-free coloured liquid and two-point calibration ensure safe handling and reliable measurement performance. The decorative print makes it suitable for visible locations in the home or garden.

Suitable for

• Monitoring indoor room temperature in living areas
• Checking outdoor temperature on balconies, terraces or garden walls
• Use in leisure areas and workshops where a simple ambient temperature indication is required

Key specifications

• Model: TFA-Dostmann 12.3040.20
• Measuring range: 0 to 50 °C
• Accuracy: ±1 °C
• Dimensions: 92 × 11 × 500 mm (W × D × H)
• Material: plastic housing with printed design
• Liquid-filled capillaries, mercury-free
• Manufactured in Germany

How to use

Mount the thermometer on a vertical surface indoors or outdoors at eye level for easy reading, avoiding direct sunlight or heat sources that could affect the measurement. Use the two-point adjustment to calibrate the instrument if necessary, following the manufacturer's instructions. Read the temperature directly from the scale displayed on the housing.

Usage recommendations

Place the thermometer in a sheltered outdoor location to prevent precipitation and direct sun exposure for more representative outdoor readings. For indoor energy savings, reduce room temperature by one degree to save on heating costs, and check the thermometer periodically to ensure correct calibration.