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ECOWITT WS3902 Weather Station Kit, Includes WS85 Outdoor Sensor, WN32 Outdoor Thermo-Hygrometer Sensor, and WS3900 Indoor 7.5'' LCD Display Console, 915 MHz
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Brand | ECOWITT |
Recommended uses for product | Garden, Home |
Specific uses for product | Solar Radiation, WS85 Sensor Array: Piezoelectric rainfall; Wind Speed/Direction, Indoor Console Built-in Sensor: Indoor Temperature/Humidity; barometric pressure, UV Index, WN32 Sensor: Outdoor Temperature/Humidity See more |
Power source | Indoor Console: DC-USB Cable Powered or Batteries Powered for Backup( Batteries Not Included ); WS85 Sensor Array: Solar Powered or Batteries Powered ( Batteries Not Included ); WN32 Sensor: Batteries Powered ( Batteries Not Included ) See more |
Special feature | Large Display, Adjustable Brightness, Alarm, IoT Function |
About this item
- 【ECOWITT WS3902 Weather Station】Includes WS85 Outdoor Sensor Array, WN32 Outdoor Single-Channel Thermometer&Hygrometer Sensor, and WS3900 Indoor 7.5'' LCD Display Console. They are all 915 MHz.
- 【7.5'' LCD Display IoT Console】The WS3900 has a built-in indoor temperature/humidity sensor and barometric pressure sensor. WS3900 supports connecting to a 2.4 GHz Wi-Fi network for viewing data from anywhere on your phone, tablet, and computer browser, all for free. Featured by the IoT function. It can be used as a Wi-Fi gateway to support the reception of the Ecowitt sensors' data and as an IoT gateway to pair with the Ecowitt IoT devices, such as the WFC01 watering timer and the AC1100 smart outlet plug. The WS3900 can pair with up to 16 IoT devices. (Other sensors, the WFC01 and the AC1100, are sold separately.)
- 【Ecowitt WS85 Outdoor Compact Sensor Array】This outdoor array has a small and simple design. It has a solar panel, a haptic rainfall sensor, and an ultrasonic Wind Speed Sensor (shows wind speed and direction). Be a home assistant for monitoring the weather and help you intelligently manage your home/garden, creating an Ecowitt ecosystem. It is just a 915 MHz accessory and can not be used alone.
- 【WN32 Single-Channel Outdoor Thermometer&Hygrometer】Ecowitt WN32 thermo meter&hygrometer sensor measures outdoor temperature and humidity. The data can be received and displayed on the WS3900 IoT console and can be viewed via the free app WS View Plus or Ecowitt after Wi-Fi configuration.
- 【About the Display Priority】If you also own the WS3902 kit, WS90, WS80, and WS69 sensors simultaneously and all of them connect with the WS3900, the WS3900's outdoor temperature and humidity section display priority is successively WN32, WS90, WS80, and WS69. If you own the WS90, WS80, WS68, and WS69 simultaneously, the WS3900's wind speed/direction section display priority is successively WS90, WS80, WS68, and WS69. (The WS90, WS80, and WS69 sensors are sold separately.)
- 【Easy to Wi-Fi Configuration & Support Upload the Data to Internet】There are two options to finish Wi-Fi configuration: The Ecowitt APP and the web page(192.168.4.1) (The WS3900 user manual will guide you on how to finish the Wi-Fi configuration in detail). Support uploading data to the weather station server after connecting to the Wi-Fi network: ecowitt.net/wunderground/weathercloud/wow.metoffice.gov.uk or customized servers.
Product details
- Parcel Dimensions : 23.7 x 17.6 x 16.2 cm; 1.54 kg
- Date First Available : Dec 19 2024
- Manufacturer : ECOWITT
- Place of Business : Room 601, Block A, Building 1, Phase 1, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Community, Nanshan District, Shenzhen City, China
- ASIN : B0CZNZ5KXX
- Item model number : WS3902CA
- Country of origin : China
- 鶹 Rank: #45,796 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
- #115 in Outdoor Weather Stations
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This item: ECOWITT WS3902 Weather Station Kit, Includes WS85 Outdoor Sensor, WN32 Outdoor Thermo-Hygrometer Sensor, and WS3900 Indoor 7.5'' LCD Display Console, 915 MHz
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Product Description
ECOWITT WS3902 Weather Station Kit

Wi-Fi Configuration and Send the Data to the Internet

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Customer Reviews
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4.3 out of 5 stars 1,173
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Display Screen
| 7.5'' LCD | 7.5'' LCD | 7.5'' TFT | 7.5'' TFT | NO Display | LCD |
Outdoor Temp
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Outdoor Humidity
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Indoor Temp
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Indoor Humidity
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Barometer Pressure
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
UV / Solar Radiation
| ✘ | ✔ | ✔ | ✔ | ✔ | ✔ |
Wind Speed/Direction
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Rain Gauge
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
SD Card
| ✘ | ✘ | ✔ | ✔ | ✘ | ✘ |
Connect Technology
| Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
Console Pair with IoT Devices
| ✔ | ✔ | ✘ | ✘ | ✔ | ✘ |
Specifications of the Outdoor Sensors
Outdoor Temperature Range | -40°C to 60°C(-40℉ to 140℉) |
Outdoor Temperature Accuracy | ±1°C (±1.8℉) |
Outdoor Temperature Resolution | 0.1°C (0.2℉) |
Outdoor Humidity Range | 1% to 99% |
Outdoor Humidity Accuracy | ±5% |
Outdoor Humidity Resolution | 1% |
Rainfall Metering range | 0mm to 9999mm |
Rainfall Metering accuracy | <5mm/h (±20%); 5mm/h~50mm/h (±10%); >50mm/h (±20%) |
Rainfall Metering resolution | 0.1mm |
Wind speed range | 0m/s to 40m/s |
Wind speed accuracy | <10m/s, ±1m/s; ≥10m/s, ±10% |
Wind speed resolution | 0.1m/s (starting speed > 0.5m/s) |
Wind direction range | 0° to 359° |
Wind direction accuracy | ±15° |
Wind direction resolution | 1° |
Power Supply | WS85: 2*AA batteries ( Batteries Not Included ); WN32: 2 * AA Batteries ( Batteries Not Included ) |
Specifications of the WS3900 Display Console
Material | Plastic Casing: ABS; Screen: VA-LCD |
Indoor Temperature Range | -9.9°C to 60°C(14°F to 140°F) |
Indoor Temperature Accuracy | ±0.2°(±0.4℉) |
Indoor Temperature Resolution | 0.1°(0.2℉) |
Indoor Humidity Range | 1% to 99% |
Indoor Humidity Accuracy | ±2% |
Indoor Humidity Resolution | 1% |
Barometric Pressure Range | 300 to 1100 hPa (8.85 to 32.5 inHg) |
Barometric Pressure Accuracy | ±1.5hpa(absolute pressure ); ±2hpa(relative pressure) |
Barometric Pressure Resolution | 0.1 hPa (0.01 inHg) |
Reading Update Interval | About 1 minute |
RF Wireless Range | Over 100 meters (in open areas) |
WLAN | 802.11 b/g/n 2.4 GHz (802.11n, Max 150 Mbps) |
WLAN Range | Over 30 meters (in open areas) |
Console Operating Temperature | -10°C to 50°C(14℉ to 122℉) |
Power Supply | DC-USB Cord Powered or 3 * AA Alkaline/Lithium Battery Powered ( The Batteries Not Included ) |
Package List
- 1 * WS85 Outdoor Sensor Array
- 1 * WN32 Outdoor Thermometer&Hygrometer Sensor
- 1 * WS3900 Display Console
- 1 * Black Power Adapter for the console
- 1 * DC-USB cable for the console
- 1 * Installation Kit for WS85 ( 1*Base Bracket; 1*Simple Wrench; 1*L-shaped Wrench; 4*Screw Sleeves; 4*φ4.8*32 Screws; 1*M3*24 Screw; 1*M3*12 Screw; 2*U-bolts )
- 3 * User Manual ( WS85, WN32, WS3900 )
- 1 * Wi-Fi Configuration Instruction
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