1. Product Overview
This BRESSER 7-in-1 Outdoor Sensor (Model 7803200) serves as a replacement part for your existing 4-day 4CAST WiFi Weather Station (Model 7003200). It is designed to provide comprehensive outdoor weather data to your base station, ensuring continuous monitoring of environmental conditions.
The sensor measures the following parameters:
- Temperature and Humidity
- Wind Speed and Wind Direction
- Rainfall
- UV Level and Light Intensity
The sensor is solar-powered for extended battery life and has a wireless range of up to 150 meters.

Image 1.1: The BRESSER 7-in-1 Outdoor Sensor, showing its various components for measuring weather data.
2. Package Contents
- BRESSER 7-in-1 Wireless Outdoor Sensor
- Installation Material (screws, mounting brackets)
- Instruction Manual
Note: The base station is not included with this replacement sensor.
3. Setup and Installation
Follow these steps to set up and install your BRESSER 7-in-1 Outdoor Sensor:
- Insert Batteries: Open the battery compartment on the sensor and insert 3x AA batteries (not included). Ensure correct polarity.
- Mount the Sensor: Choose a suitable outdoor location for the sensor. It should be in an open area, away from obstructions, to ensure accurate readings for wind, rain, and sunlight. Use the provided installation material to securely mount the sensor.
- Pair with Base Station: Since this is a replacement sensor, the pairing process with your base station (Model 7003200) is not automatic. On your base station console, press the WiFi/SENSOR button. The console will then begin searching for the sensor's signal.
- Verification: Once connected, the base station will display the current weather data from the new sensor.

Image 3.1: A view of the BRESSER 7-in-1 Outdoor Sensor, highlighting its various measurement components and mounting options.
Setup Demonstration Video
Video 3.2: This video demonstrates the general setup and interaction with a similar outdoor weather sensor and its display unit. It illustrates the physical assembly and basic operation.
4. Operating Instructions
The BRESSER 7-in-1 Outdoor Sensor operates by continuously collecting environmental data and transmitting it wirelessly to your compatible 4CAST WiFi Weather Station base unit. The sensor itself does not have user-operable controls for data display or settings.
All data viewing, historical records, and configuration settings are managed through your base station. Refer to your 4CAST WiFi Weather Station's manual for detailed instructions on how to interpret and utilize the data received from this outdoor sensor.
5. Maintenance
To ensure optimal performance and longevity of your outdoor sensor, consider the following maintenance tips:
- Regular Cleaning: Periodically clean the sensor's exterior, especially the rain collector and wind cups, to remove dirt, debris, or insects that may affect accuracy. Use a soft, damp cloth.
- Battery Check: Although the sensor is solar-powered, it uses AA batteries as a backup. Check the battery status on your base station and replace batteries as needed to ensure continuous operation, especially during periods of low sunlight.
- Clear Surroundings: Ensure the sensor's location remains free from new obstructions (e.g., growing trees, new structures) that could interfere with wind, rain, or sunlight readings.
6. Troubleshooting
If you encounter issues with your BRESSER 7-in-1 Outdoor Sensor, try the following troubleshooting steps:
- No Data on Base Station:
- Ensure the sensor batteries are correctly installed and not depleted.
- Verify the sensor is within the 150m wireless range of the base station.
- Initiate the pairing process again on your base station by pressing the WiFi/SENSOR button.
- Check for any physical obstructions between the sensor and the base station that might block the signal.
- Inaccurate Readings:
- Inspect the sensor for any debris (leaves, dirt) on the wind cups, wind vane, or rain collector. Clean as necessary.
- Ensure the sensor is mounted level for accurate rainfall and wind direction measurements.
- Confirm the sensor is placed in an open area, away from heat sources or reflective surfaces that could affect temperature readings.
If problems persist after attempting these steps, please contact Bresser customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | 7803200 |
| Compatibility | BRESSER 4CAST WiFi Weather Station (Model 7003200) |
| Measurements | Temperature, Humidity, Wind Speed, Wind Direction, Rainfall, UV Level, Light Intensity |
| Power Source | Solar-powered with battery backup |
| Batteries Required | 3x AA (not included) |
| Wireless Range | Up to 150 m |
| Dimensions (L x W x H) | 420 x 170 x 213 mm (approx. 16.5 x 6.7 x 8.4 inches) |
| Weight | 543 g (approx. 1.2 lbs) |
| Material | Plastic |
8. Warranty and Support
For warranty information, product registration, or technical support, please refer to the documentation included with your original BRESSER 4CAST WiFi Weather Station or visit the official Bresser website. Keep your proof of purchase for any warranty claims.







