We normally deal direct with the main importer WeatherSpares, which is why we pass you onto them to complete your purchase. However we are aware that sometimes Amazon and Others run special deals, so for your convenience, we also check every day to see what is available.  The latest information is below, so just click on the relevant price:

Ecowitt WH51 Wireless 8 Channel Soil Moisture Sensor

£11.88 at Aliexpress £17.99 at Amazon.co.uk £24.00 at Weatherspares.co.uk

Amazon price updated: 2nd February 2025 11:59 pm

Add the WH51 sensor to the Ecowitt WiFi gateway to add soil moisture readings to you data.

Upload data to the Ecowitt network to view a history of soil data.

Up to 8 sensors can be added to the GW1000 gateway.

Features

• Measures soil moisture
• Configure for use with theGW1000 or GW1100 WIFI gateway
• View readings directly on the WS View App
• Supports up to 8 soil sensors. Each new sensor will be recognised as a new channel according to the power-on sequence. Please don’t forget to label the channel on each sensor for distinction.
• Works with WH0291 Display Console (sold separately)
• Upload data to the Ecowitt weather server to view history graphs and download the date from the website.

Important Tip:

1. Do not push the sensor into stoney or rocky soil. If the soil is too hard and dry, the sensor can easily be damaged.
2. Design for testing soil ONLY.
3. It is recommended to totally insert the sensor into the soil and keep it in place for 2 to 3 minutes to get an accurate reading.

Technical Specs

• Moisture Range:0~100%; Resolution: 1%
• 0%AD setting range:70~200; Initial value:70
• 100%AD setting range:0%AD+10~1000; Initial value:500
• Transmission distance in open field: 100m (300 feet)
• 868MHz UK and European frequency
• Sensor reporting interval: 70 seconds
• Power: 1 x AA LR6 Alkaline battery