Introduction
The TFA Dostmann TFA.me ID-08 Wi-Fi Weather Station provides professional weather forecasts via the wetter.com online weather service for a five-day period. This station connects via Wi-Fi, offering detailed weather representations with 40 different weather symbol variations. It displays local forecasts including daily maximum and minimum temperatures, rain probability, and predicted rainfall amounts. Additionally, it shows sunshine hours, UV index, wind speed, and wind direction. The station also features a warning function for distinctive or potentially dangerous weather conditions, such as storms, heavy rain, extreme heat, high UV index, or black ice. It monitors indoor temperature and humidity and can wirelessly transmit and display outdoor temperature and humidity from up to five external transmitters. The TFA.me system acts as a gateway, allowing access to up to 50 additional stations and various transmitter types online via the free TFA.me portal.
Package Contents
Please check that all items are present and undamaged:
- 1x Base Station (TFA.me ID-08 Wi-Fi Weather Station)
- 1x Thermo-Hygro Transmitter (TFA 30.3900.02)
- 1x Power Adapter (EU plug)
- 1x User Manual (Quick Start Guide in 6 languages)
Note: Decoration items are not included. Backup batteries (5 x 1.5 V AA) are required for the base station and 2 x 1.5 V AA for the transmitter (optional) and must be purchased separately.
Setup
1. Powering the Base Station
- Connect the provided power adapter to the base station and plug it into a power outlet.
- (Optional) Insert 5 x 1.5 V AA batteries into the battery compartment on the back of the base station for backup power.

Image: Rear view of the TFA.me ID-08 Weather Station, illustrating the battery compartment and wall-mounting options. The label shows "TFA Dostmann", model number "35.8105.02", and product code "084 EEE F72".
2. Setting up the Thermo-Hygro Transmitter
- Insert 2 x 1.5 V AA batteries into the thermo-hygro transmitter.
- Place the transmitter in a suitable outdoor location, protected from direct sunlight and rain, to ensure accurate readings. The maximum range is 100 meters.
- The base station will automatically attempt to connect to the transmitter.
3. Wi-Fi Connection and TFA.me Portal Setup
- Follow the on-screen instructions on the base station to connect it to your local Wi-Fi network (2.4 GHz, 802.11 b/g/n).
- Once connected, the station will synchronize time and access professional weather forecasts from wetter.com.
- Register an account on the free TFA.me online portal.
- Add your weather station to your TFA.me account using the provided instructions. This allows you to view measured values worldwide on PC, tablet, or smartphone.

Image: The TFA.me logo alongside multiple digital devices (laptop, desktop monitor, tablet, smartphone) showcasing the TFA.me online portal interface, which allows global access to weather data.
Operating the Weather Station
Display Overview

Image: A detailed view of the TFA.me ID-08 weather station's LCD screen. It displays current indoor and outdoor temperatures and humidity, the precise time and date, and a comprehensive 5-day weather forecast with high and low temperatures.
The LCD display provides a clear overview of current and forecasted weather conditions. Key information includes:
- Indoor Temperature and Humidity: Displayed at the top left.
- Outdoor Temperature and Humidity: Displayed at the top right (from connected transmitters).
- Current Time and Date: Centrally located.
- Today's Forecast: Shows high/low temperatures and weather symbols.
- 5-Day Forecast: Detailed forecasts for the next four days, including high/low temperatures, weather symbols, rain probability, rainfall amount, sunshine hours, UV index, wind speed, and wind direction.
- Warning Symbols: Appear for severe weather conditions (e.g., storms, heavy rain, extreme heat, high UV, black ice).
Buttons and Functions
- LIGHT: Adjusts the backlight brightness (4 levels).
- CHANNEL: Cycles through connected outdoor transmitters (if more than one is paired).
- SWITCH/SET: Used for switching display modes (e.g., date/day of week) and entering settings menus.
- - / +: Used for adjusting values in settings or navigating through forecast details.
TFA.me Online Portal
The TFA.me portal allows you to:
- View historical and real-time data from your weather station and up to 50 additional transmitters.
- Set custom alerts for specific measurement values (e.g., temperature thresholds).
- Receive email notifications for warnings or threshold breaches.
- Export measurement data.

Image: The TFA.me ID-08 Weather Station positioned on a desk, with a computer monitor in the background showing the detailed interface of the TFA.me online portal, providing a comprehensive overview of weather data.
Maintenance
- Cleaning: Wipe the display and casing with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries in the base station and transmitter when the low battery indicator appears on the display. Ensure correct polarity.
- Transmitter Placement: Periodically check the outdoor transmitter's location to ensure it remains protected and provides accurate readings.
- Firmware Updates: The station may receive automatic firmware updates via Wi-Fi to improve performance and add features. Ensure the station remains connected to Wi-Fi.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| No display on base station. | Check power adapter connection. Ensure batteries (if used) are inserted correctly and not depleted. |
| Outdoor temperature/humidity not displayed. | Ensure transmitter batteries are fresh. Check transmitter placement within 100m range. Re-pair transmitter if necessary (refer to quick start guide). |
| No weather forecast / Wi-Fi icon not lit. | Check Wi-Fi router and internet connection. Reconfigure Wi-Fi settings on the base station. Ensure the station is within Wi-Fi range. |
| Inaccurate readings. | Ensure outdoor transmitter is not in direct sunlight or rain. Verify indoor unit is not near heat sources or vents. |
| Cannot access TFA.me portal data. | Ensure the base station is connected to Wi-Fi. Verify your TFA.me account login details and that the station is registered. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 35.8105.02 |
| Dimensions (L x W x H) | 17.2 x 17.2 x 2.9 cm |
| Weight | 351 grams |
| Material | Plastic |
| Power Source | Mains adapter, 5 x 1.5 V AA batteries (optional for base station), 2 x 1.5 V AA batteries (for transmitter) |
| Indoor Temperature Range | 0 to +50 °C |
| Outdoor Temperature Range | -40 to +60 °C |
| Humidity Range | 10 to 99 % RH |
| Temperature Accuracy | ± 1 °C (0 to +50 °C), otherwise ± 1.5 °C |
| Humidity Accuracy | ± 5 % at 25 °C (30 to 80 % RH) |
| Wireless Transmission Frequency | 868 MHz |
| Wireless Range | Max. 100 m (open area) |
| Wi-Fi Frequency | 2.4 GHz (802.11 b/g/n) |
| Max. Transmitters Supported | 5 (on base station), 50 (via TFA.me online portal) |
| Display Type | LCD with backlight and dimmer function (4 levels) |
| Special Features | Professional 5-day weather forecast (wetter.com), weather warning function, TFA.me online portal integration, multi-language support (6 languages for time/date display) |
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or visit the official TFA Dostmann website. The product is manufactured by TFA Dostmann.
Manufacturer: TFA Dostmann
Country of Origin: China