W850 - Weather Station Ventus - Free user manual and instructions
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| Product Type | Wireless Weather Station |
| Brand | Ventus |
| Model | W850 |
| Display Type | Color LCD, 7.5-inch |
| Outdoor Sensors | Thermo-hygrometer, anemometer, rain gauge, UV/light sensor |
| Temperature Range (Indoor) | 0°C to 50°C (32°F to 122°F) |
| Temperature Range (Outdoor) | -40°C to 60°C (-40°F to 140°F) |
| Humidity Range | 1% to 99% RH |
| Barometric Pressure Range | 300 to 1100 hPa |
| Wind Speed Range | 0 to 50 m/s (0 to 112 mph) |
| Rainfall Measurement | 0 to 9999 mm (resolution 0.3 mm) |
| UV Index Range | 0 to 16 |
| Light Intensity Range | 0 to 200,000 Lux |
| Power Supply (Base Station) | DC 5V, 1A via USB cable (AC adapter included) |
| Power Supply (Sensors) | 2 x AA batteries (not included) per sensor |
| Dimensions (Base Station) | 200 x 150 x 30 mm |
| Weight (Base Station) | 400 g |
| Wireless Frequency | 868 MHz (EU) / 915 MHz (US) |
| Maximum Outdoor Sensors | Up to 8 (depending on model) |
| Data Logging Interval | Adjustable: 5, 10, 30, 60 minutes |
| Connection to Internet | Wi-Fi (2.4 GHz) for weather data upload |
| Mounting | Table stand or wall mount (bracket included) |
| Cleaning | Wipe display and sensors with a soft, dry cloth. Avoid solvents. |
| Safety | Keep away from water sources. Use only recommended batteries. Do not disassemble. |
| Spare Parts / Repairability | Contact Ventus support for replacement sensors or parts. Not user-repairable. |
Frequently Asked Questions - W850 Ventus
How do I set up the W850 weather station?
Place the base station on a flat surface, insert batteries into outdoor sensors, and power the base station via USB. The sensors will automatically pair within a few minutes. Refer to the quick start guide for detailed steps.
Why is my outdoor sensor not connecting?
Ensure batteries are fresh and inserted correctly. Bring the sensor within 30 meters of the base station (line of sight). Press and hold the RESET button on the sensor for 3 seconds. On the base station, press and hold the SENSOR button to initiate re-pairing.
How often does the data update?
Indoor data updates every 15 seconds. Outdoor sensor data updates every 48 seconds. Wind and rain data are transmitted every 16 seconds for accurate real-time readings.
Can I connect the weather station to Wi-Fi?
Yes, the W850 supports Wi-Fi (2.4 GHz) to upload data to weather services like Weather Underground. Use the Ventus Weather app to configure Wi-Fi settings.
What does the weather forecast icon mean?
The station uses barometric pressure trends to predict weather for the next 12-24 hours. Icons include Sunny, Partly Cloudy, Cloudy, Rainy, Snowy, and Stormy. The forecast is an estimated prediction and may vary.
How do I replace batteries in the outdoor sensors?
Remove the sensor from its mount, open the battery compartment (use a screwdriver if needed), insert new AA batteries following polarity, and close the compartment. Allow up to 5 minutes for reconnection.
The display shows '--' for outdoor temperature/humidity. What should I do?
This indicates loss of signal. Check batteries, reduce distance, and ensure no metal obstructions. Press and hold the OUTDOOR button on the base station to force a resync. If continues, reset the sensor.
How accurate is the rain gauge?
The rain gauge has a resolution of 0.3 mm and accuracy of ±5%. It should be placed on a level surface, away from trees or buildings, to minimize wind interference. Clean the funnel regularly to prevent debris blockage.
Can I mount the wind sensor on a pole?
Yes, the anemometer comes with a mounting bracket suitable for poles up to 1 inch (25 mm) diameter. Use the provided U-bolts and tighten securely. Ensure the sensor is oriented north or as per instructions.
What do I do if the base station screen is blank?
Check the USB connection and try a different wall adapter. Press the RESET button on the back of the base station with a paperclip. If still blank, contact Ventus support for replacement.
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USER MANUAL W850 Ventus
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Product information
Brand : Ventus
Model : W850
Category : Weather Station