1. Introdución
Thank you for choosing the SENCOR SWS 4250 Weather Station. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read these instructions carefully before use and retain them for future reference.
2. Información de seguridade
- Non expoña a unidade principal nin o sensor a temperaturas extremas, á luz solar directa nin á humidade.
- Use only the specified power adapter (DC 4.5V/150mA) for the main unit.
- Ensure correct battery polarity when inserting batteries into both the main unit and the sensor.
- Keep batteries out of reach of children. Do not mix old and new batteries or different types of batteries.
- Non intente desmontar nin reparar o dispositivo vostede mesmo. Encargue todo o mantemento a persoal cualificado.
3. Contido do paquete
- Unidade principal SENCOR SWS 4250
- Wireless Outdoor Sensor (SWS TH4250)
- DC 4.5V/150mA Power Adapter
- Manual de usuario
4. Produto rematadoview
The SENCOR SWS 4250 Weather Station features a color LCD display for clear visibility of weather forecasts, indoor/outdoor temperature, humidity, time, and date. It supports up to three wireless outdoor sensors, with one included.

Image 1: SENCOR SWS 4250 Weather Station Main Unit and Wireless Sensor. The main unit features a color LCD display, while the compact outdoor sensor transmits data wirelessly.
5. Configuración
5.1. Instalación da batería
- Unidade principal: Open the battery compartment on the back. Insert 3 x 1.5V AAA batteries (not included), observing the correct polarity (+/-). Close the compartment.
- Sensor exterior: Open the battery compartment. Insert 2 x 1.5V AA batteries (not included), observing the correct polarity (+/-). Close the compartment.
5.2. Alimentación da unidade principal
Connect the provided DC 4.5V/150mA power adapter to the main unit's power input and then plug it into a wall outlet. The display will illuminate.
5.3. Colocación e sincronización de sensores
Place the outdoor sensor in a shaded, dry location away from direct sunlight and rain, ensuring it is within 30 meters (open area) of the main unit. The main unit will automatically attempt to synchronize with the sensor. This may take a few minutes. Once connected, the outdoor temperature and humidity will appear on the display.
5.4. Opcións de montaxe
- Mesa: Use the integrated stand on the back of the main unit to place it on a flat surface.
- Montaxe na parede: Use the hanging hole on the back of the main unit to mount it on a wall using a screw (not included).
6. Instrucións de funcionamento
6.1. Mostrar información
The color LCD display shows the following information:
- Weather forecast icons (sunny, partly cloudy, cloudy, rain)
- Temperatura interior e humidade
- Temperatura e humidade exterior
- Digital time (12/24 hour format)
- Data e día da semana
6.2. Configuración de hora e data
The weather station automatically receives the DCF77 radio signal for accurate time and date synchronization. If the signal is not available or you prefer manual setting:
- Manteña premido o SET button (location may vary, refer to device markings) to enter manual time/date setting mode.
- Usa o ARRIBA/ABAIXO botóns para axustar os valores.
- Preme SET again to confirm and move to the next setting (e.g., hour, minute, year, month, day, 12/24 hour format).
6.3. Selección de unidades de temperatura
Preme o ° C / ° F button (location may vary) to switch between Celsius and Fahrenheit temperature display.
6.4. Managing Additional Sensors
The SWS 4250 supports up to three outdoor sensors. To add additional sensors (purchased separately):
- Install batteries in the new sensor.
- On the main unit, press the CANLE button to cycle through available sensor channels.
- The main unit will automatically search for and connect to new sensors on an unused channel.
7. Mantemento
7.1. Limpeza
Limpe a unidade principal e o sensor cun pano suave eamp pano. Non empregue produtos de limpeza abrasivos nin disolventes, xa que poden danar a pantalla ou aasing.
7.2. Substitución da batería
Replace batteries in both the main unit and the sensor when the low battery indicator appears on the display. Always replace all batteries in a set with new ones of the same type.
7.3. Almacenamento
If the device will not be used for an extended period, remove all batteries to prevent leakage and store the unit in a cool, dry place.
8 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Sen pantalla na unidade principal | Batteries are dead or incorrectly inserted; power adapter not connected. | Check battery polarity and charge; ensure power adapter is securely connected. |
| Non se mostra a temperatura/humidade exterior | Sensor batteries dead; sensor out of range; interference; sensor not synchronized. | Replace sensor batteries; move sensor closer to main unit; resynchronize sensor (remove and reinsert batteries in sensor, then main unit). |
| Hora/data incorrectas | DCF77 signal weak or unavailable; manual settings incorrect. | Move main unit to a location with better signal reception; set time/date manually. |
| Previsión meteorolóxica incorrecta | The forecast is based on atmospheric pressure changes and may not always match local conditions perfectly. | This is normal. The forecast is an estimation. |
9. Especificacións
| Característica | Detalle |
|---|---|
| Modelo | SWS 4250 |
| Marca | SENSOR |
| Tipo de visualización | LCD a cor |
| Rango de temperatura interior | 0 °C a +50 °C |
| Rango de temperatura exterior | -20 °C a +60 °C |
| Rango de humidade (interior/exterior) | 20% a 90% RH |
| Formato de tempo | Seleccionable de 12/24 horas |
| Sincronización horaria | DCF77 Radio Controlled (Manual setting possible) |
| Wireless Sensor Support | Up to 3 sensors (1 SWS TH4250 included) |
| Sensor de frecuencia de transmisión | 433 MHz |
| Sensor Transmission Range | Ata 30 m (zona aberta) |
| Potencia da unidade principal | 3 x 1.5V AAA batteries (not included) or DC 4.5V/150mA adapter (included) |
| Potencia do sensor | 2 pilas AA de 1.5 V (non incluídas) |
| Dimensións da unidade principal (L x A x P) | 173 x 125 x 22 mm |
| Peso da unidade principal | 238 g |
| Cor | Negro |
10. Garantía e soporte
For warranty information and technical support, please refer to the documentation provided with your purchase or contact SENCOR customer service. Keep your proof of purchase for any warranty claims.





