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Ecowitt Essense3 Wi-Fi Weather Station with 7.5" LCD IoT Display, WS85 3-in-1 Weather Sensor, and WN32 Outdoor Thermometer

$149.00 USD - $209.99 USD
Shipping is calculated at checkout. (For EU customers: For parcels shipped via [Standard], VAT is included.)
Model: WS3902
Radio Frequency: North America MHz 915
How to choose frequency
$169.99 USD
$199.99 USD $169.99 USD
-$30.00 USD
$169.99 USD
$199.99 USD $169.99 USD

Features

WS3800/WS3820/WS3900/WS3910 Wi-Fi Console:

·7.5" LCD display & 8 physical buttons.

·Support DC powered and 3 x AA alkaline or lithium batteries powered (3 fresh AA batteries (not included) can run for 15-25 days. Only used as a short-term backup power).

·Built-in sensors measure indoor temperature, humidity, and barometric pressure.

·Built-in CO2 sensor. (Only available on WS3910).

·Calendar, date, time, moon phase, sunrise, sunset, alarm, and snooze function.

·Weather forecast: Sunny, Partly Cloudy, Cloudy, Rainy, Stormy, Snowy and Storm Snowy.

·Record Max & Min value, RST function (Clear daily max/min values), support unit. setting, DST (Daylight Saving Time).

·Wall-hanging or free-standing option.

·Support backlight adjustment under the DC power supply.

·Support IoT devices: WFC01, AC1100.

·Support receiving and displaying multi-channel temperature & humidity, wind speed, wind direction, rainfall, UV, solar radiation, feels like, dew point, CO2, PM1.0, PM2.5, PM10, and AQI data.

·Data storage on Ecowitt server:https://ecowitt.net

·Support for uploading data to third-party platforms: WU, WOW, Weather Cloud, Customised website.

Note: DC power supply is required to enter Wi-Fi configuration.

WS85 3-in-1 Weather Sensor:

·Haptic rainfall sensor, ultrasonic anemometer, easures rainfall, wind speed, wind direction.

·Solar Powered & Battery Powered.

·Supports vertical and horizontal mounting.

 

WN32 Outdoor Thermometer:

·Measures outdoor temperature and humidity.

·Battery Powered.

Compatible Add-On Sensors & IoT Devices(sold separately)

1 - WS90 Sensor Array
1 - WS85 Sensor Array(included)
1 - WS80 Sensor Array
1 - WS69/WN67 Sensor Array
1 - WS68 Sensor Array
1 - WN20 Mini Rain Gauge
1 - WH40/WH40H Rain Gauge
1(upload only) - WH57 Lightning Detector
1 - WH45/WH46/WH46D Air Quality Sensor
1(upload only) - WN38 Black Globe Thermometer
1 - WN32/WN32EP Outdoor Temperature and Humidity Sensor(WN32 included)
1 - WN32P Indoor Temperature, Humidity, and Pressure Sensor
4(upload only) - WH55 Leak Detector
4(upload only) - LDS01 Laser Distance Sensor
4(upload only) - Any combination of WH41 and WH43 Air Quality Sensor(PM2.5)
8(upload only) - WN35 Leaf Wetness Sensor
8(upload only) - Any combination of WN34L, WN34S, and WN34D Temperature Sensor
8 - Any combination of WN31/WN31EP Temperature & Humidity Sensors, WN30 Temperature Sensors, and WN36 Pool Thermometers.
16(upload only) - Any combination of WH51, WH51L, WH52 Soil Sensor
16(upload only) - Any combination of WFC01 Water Timer, AC1100 Smart Plug and WFC02 Ball Valve Timer

NOTE: Please note that when the gateway or console is connected to multiple sensors measuring the same parameter, the system will prioritize and display data from the sensor with the highest priority.

Data Reception Priority Model
Outdoor Temperature and Humidity WN32/WN32EP > WS90 > WS80 > WS69/WN67
Air pressure, Indoor Temperature and Humidity WN32P > Gateway/Console built-in sensors
Wind WS85 > WS90 > WS80 > WS68 > WS69/WN67
Traditional Rainfall WH40/WH40H > WN20 > WS69/WN67
Piezoelectric Rainfall WS85 > WS90
Solar Light and UVI WS90 > WS80 > WS68 > WS69/WN67

 

Specifications

Model WS3800/3820/3900/3910
Name Weather Station (receiver)
Dimensions 209×28.5×142.5(mm)
Screen Size 169×94.5(mm)
Weight 366(g)
Material of Plastic Casing ABS
Material of Screen VA-LCD
Temperature Metering Range -9.9°C to 60°C(14°F to 140°F)
Temperature Metering Accuracy ±1°C(±1.8℉)
Temperature Metering Resolution 0.1°C(0.2℉)
Humidity Metering Range 1% to 99%
Humidity Metering Accuracy ±5%
Humidity Metering Resolution 1%
Barometric Pressure Metering Range 300 to 1100 hPa (8.85 to 32.5 inHg)
Barometric Pressure Metering Accuracy ±5hPa
Barometric Pressure Metering Resolution 0.1 hPa (0.01 inHg)
NDIR CO₂ Metering Range(Only WS3910) 0 to 40000 ppm
NDIR CO₂ Metering Accuracy(Only WS3910) ±(50ppm + 5% of reading) when 400 to 2000 ppm
NDIR CO₂ Metering Resolution(Only WS3910) 1ppm
NDIR CO₂ Accuracy drift per year(Only WS3910) ± (5ppm + 5% of reading)
Reading Update Interval About 1 minute
RF Connection Frequency 920/915/868/433MHz (depending on local regulations)
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 3.5mm 5V DC to USB or 2 AA Battery (not included)
Battery Life 15-25 Days

 

Model WS85
Name Transmitter
Dimensions 93*93*126mm
Dimensions With Bracket 160*93*161mm
Material of Plastic Casing ASA+PC、PC
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 Metering Range 0m/s to 40m/s
Wind speed Metering Accuracy <10m/s, ±1m/s; ≥10m/s, ±10%
Wind speed Metering Resolution 0.1m/s (starting speed > 0.5m/s)
Wind Speed Measurement Interval 2s
GUST Wind Speed Maximum value over the past 28 seconds
Wind direction Metering Range 0° to 359°
Wind direction Metering Accuracy ±15°
Wind direction Metering Resolution 1°
Data reporting Interval 8.5s
RF Connection Frequency 920/915/868/433MHz (depending on local regulations)   
RF Wireless Range (in open areas) Over 150 meters (500 ft.)
Operating Temperature Range -40°C to 60°C(-40℉ to 140℉)
Protection Rating IPX5
Built-in Solar Panel 7.5V±5% / 30mA±10%
Power Supply 2*AA batteries(not included)
Battery Life 1 Year

 

Model WN32
Name Outdoor sensor unit(temp/humidity)
Dimensions 122.3×42×18(mm)
Screen Size 21.8×26.1(mm)
Weight 45(g)
Material of Plastic Casing ABS
Material of Screen TN-LCD
Temperature Metering Range -40°C to 60°C(-40℉ to 140℉)
Temperature Metering Accuracy ±1°C(±1.8℉)
Temperature Metering Resolution 0.1°C(0.2℉)
Humidity Metering Range 1% to 99%
Humidity Metering Accuracy ±5%
Humidity Metering Resolution 1%
Reading Update Interval About 60 seconds
RF Connection Frequency 920/915/868/433MHz (depending on local regulations)
RF Wireless Range Over 100 meters (in open areas)
Operating Temperature Range of LCD Screen -10°C to 50°C(14℉ to 122℉)
Operating Temperature Range -40°C to 60°C(-40℉ to 140℉)
Waterproof Rating IP44
Power Supply 2 AA Batteries (not included)
Battery Life 1 Years

 

Package Content

1 x Weather Station Receiver
1 x WS85 3-in-1 Weather Sensor
1 x WN32 Outdoor Thermometer
3 x User Manuals
1 x 5V DC Adaptor with USB Cable

Note

A. If you need to change the plug, please leave a message with your order.

By default:

North America MHz 915 comes with a US plug, 

United Kingdom MHz 868 comes with a UK plug, 

Europe MHz 868 comes with an EU plug,

Oceania MHz 433 comes with an AU plug.

B. Does not include bird spikes or any batteries.

WS3802 / WS3822 / WS3902 / WS3912 Sensor: [WS85 Manual](https://s.ecowitt.com/JJKFMJ), [WN32 Manual](https://s.ecowitt.com/1GXAU2)
WS3802 / WS3822 Console: [WS3800_C / WS3820_C Manual](https://s.ecowitt.com/H61QR9)
WS3902 / WS3912 Console: [WS3900_C /WS3910_C Manual](https://s.ecowitt.com/E8FN9Q)

Compatibility Instructions

for all ecowitt network consoles

Please refer to the table to choose the correct sensors and consoles before checkout.
Note:
1) "1/4/8/16" = max number of sensors supported per console (excluding accessories).
2) Upload only = sensor readings shown only in the Ecowitt app and cloud (www.ecowitt.net).
3) Firmware (e.g. V1.9.6 / V2.0.2) = gateway/console must run this version or newer.