TFA Dostmann SPHERE Wireless Weather Station, Black 35.1148.01

Keeping track of indoor and outdoor climate can be a hassle with separate thermometers and hygrometers. The TFA Dostmann SPHERE Wireless Weather Station consolidates all essential weather data into one sleek, black device with a clear colour display. It provides real-time temperature, humidity, and barometric pressure readings, along with a weather forecast, so you always know what to expect before stepping outside.

Who is it for

This weather station is ideal for homeowners, gardeners, and weather enthusiasts who want accurate, at-a-glance environmental data without complicated setup. Its automatic time synchronization and intuitive interface make it suitable for both tech-savvy users and those who prefer simplicity.

Main features

• Colour LCD display with three brightness levels and automatic dimming for comfortable viewing day or night.
• Measures indoor and outdoor temperature and humidity, with min/max memory and time/date stamps.
• Wireless outdoor sensor transmits data up to 100 meters in open field, supporting up to three sensors (one included).
• DCF-77 radio-controlled clock ensures precise time, with manual setting option.
• Weather forecast icons (sunny, partly cloudy, cloudy, rainy, heavy rain) based on barometric pressure trends.
• Frost alarm and comfort level indicator for added convenience.
• Main unit powered by included AC adapter, with battery backup option (3x AAA, not included).
• Outdoor sensor powered by 2x AAA batteries (not included).
• Main unit features a table stand; outdoor sensor can be wall-mounted or placed on a table.

Specifications

• Indoor temperature range: 0 to +50°C (32 to 122°F)
• Outdoor temperature range: -40 to +60°C (-40 to 140°F)
• Indoor humidity range: 10 to 99% RH
• Outdoor humidity range: 10 to 99% RH
• Wireless transmission frequency: 433 MHz
• Wireless transmission range: up to 100 m (open field)
• Number of external sensors supported: up to 3 (1 thermo-hygro sensor included)
• Main unit dimensions (W x D x H): 157 x 43 x 117 mm
• Outdoor sensor dimensions (W x D x H): 50 x 22 x 97 mm
• Main unit power: AC adapter (included), 3x AAA batteries (backup, not included)
• Outdoor sensor power: 2x AAA batteries (not included)

Tips

Place the outdoor sensor in a shaded, dry location away from direct sunlight and rain for accurate readings. For best wireless reception, avoid thick walls or metal obstacles between the sensor and the main unit. Use the min/max memory to track temperature trends over time, and set the frost alarm to alert you when outdoor temperatures approach freezing.