Electronic Indoor Hygrometer Medisana HG 100 — Digital thermometer, humidity 20–90%, temp -10–50 °C, table display, battery AAA

The Hygrometer Medisana HG 100 Indoor Electronic White is a compact digital thermo-hygrometer designed to monitor room temperature and atmospheric humidity. Its rectangular display shows current relative humidity and temperature in °C, enabling simple tracking of indoor climate. Powered by a single AAA (1.5V) battery and finished in white, the HG 100 is suited for placement in living areas where you want a clear overview of air conditions to support comfort and wellbeing.

Advantages

The HG 100 provides continuous, easy-to-read measurements of humidity and temperature in a compact, low-weight housing. Its clear rectangular display and simple operation make it suitable for everyday use. Battery operation (AAA 1.5V) allows flexible placement without the need for mains power, and the device’s white finish blends with common interior styles.

Suitable for

• Monitoring humidity and temperature in living rooms
• Use in bedrooms to track sleeping environment
• Placement in home offices to maintain comfort and concentration
• Checking conditions in wardrobes or hobby rooms

Key specifications

• Brand: Medisana
• Model: HG 100
• Product colour: White
• Power: 1 × AAA battery (1.5V)
• Temperature units: °C
• Dimensions (W × D × H): 82 mm × 70 mm × 20 mm
• Weight: 0.06 kg
• Category: Weather Station / Indoor hygrometer
• MPN: HG 100
• EAN: 4015588600791

How to use

Insert one AAA (1.5V) battery into the battery compartment, place the Hygrometer Medisana HG 100 on a stable surface in the room you wish to monitor, and ensure it is positioned away from direct sunlight, heaters or drafty vents. Read the temperature in °C and relative humidity directly from the rectangular display. For consistent readings, allow the device to acclimate for a short period after placement or after changing location.

Recommendations

To maintain a healthy indoor climate, keep relative humidity within recommended ranges (generally 40–60%). If readings show consistently low or high humidity, adjust ventilation, use a humidifier or dehumidifier as appropriate, and avoid placing the device near sources of heat or moisture to ensure accurate measurements.