Ecowitt WN1821 CO2 Monitor with WiFi & Temperature & Humidity Sensor

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£99.00
£99.00
£109.00
UK VAT included. Shipping calculated at checkout.
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The Ecowitt WN1821 comprises two components the WH31 temperature/humidity sensor and also the new design LCD display with CO2 monitor and indoor temperature and humidity sensor.

The compact LCD colour display includes inbuilt temperature, humidity, atmospheric pressure sensors and a CO2 level sensor. The console also includes built in WiFi to allow for data to be uploaded to online services.

This comes paired with the WH31 temperature and humidity sensor which can be located up to 100m from the receiving console either inside or outside.

This indoor data, along with the additional sensor data can be uploaded to the FREE Ecowitt service via WiFi along with many optional sensors that can be added. All of this can be viewed on an iOS or Android device or in a traditional browser via the Ecowitt weather website.

Unlike some other stations, the Ecowitt WN1821 can be used with a variety of sensors, click here to view the latest Ecowitt sensor matrix.

    Many can be viewed directly on the console, the remaining in the App, or online via Ecowitt.net and in selected 3rd party services that support this sensor type.

     

    The Ecowitt console includes the following items:

    • WN1820-C WiFi colour LCD console with 868MHz sensor reception
    • Fold out stand for desk use or can be wall mounted
    • USB power cable for use with your own USB power supply
    • Instruction manual via electronic delivery

    The Ecowitt WH31 includes the following items:

    • Multichannel temperature and humidity sensor
    • 868MHz (UK/EU approved)

     

    The WN1821 weather station consists of:

    WN1820_C LCD Colour Screen 

    • Built in sensors to display
      • Indoor Temperature 
      • Indoor Humidity 
      • Atmospheric pressure sensor 
      • Carbon Dioxide (CO2)
    • Configure WiFi via App
    • Configure additional sensors via App
    • Publishes sensor data to Internet based weather services including
      • Ecowitt weather server: ecowitt.net
      • WeatherUnderground.com
      • WeatherCloud
      • MetOffice WoW
      • Only sensor data supported by each specific service will be uploaded
    • View all current sensor and historical records, and graphs on Ecowitt.net server History records can also be exported in Excel format
    • Wireless Range from external sensors: 300 feet / 100m (in open areas)
    • 868MHz UK and European frequency

     Temperature and humidity sensor (WN31)

    • Temperature and humidity
    • 2 x AA batteries (batteries required)
    • 868MHz UK and European frequency

     

    A copy of the WN1821 manual can be viewed by clicking here.

      2 year warranty from date of purchase from May 2025, 1 year on purchases before this date - return to supplier. 

      See our terms and conditions for full details of our warranty details.

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      • Economy £4.70 or free on orders over £80 (3 to 5 days). Some smaller items shipped at a reduced rate of £3.60
      • Standard £5.95 (2 to 3 days) for mainland UK. Some smaller items shipped at a reduced rate of £4.10
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