Ecowitt WH40 Wireless Self-Emptying Rain Collector / Rainfall Sensor

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 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 WH40 Wireless Self-Emptying Rain Collector

£41.99 at Amazon.co.uk £45.00 at Weatherspares.co.uk

Amazon price updated: 31st October 2025 10:10 am

Add the WH40 rain gauge to the Ecowitt WiFi gateway to obtain rainfall readings on your system. Exceptional accuracy at 0.1mm / 0.01inch resolution and self emptying.

Features

• Measures rainfall rate to record daily, weekly, monthly and yearly data.
• No display, for use with the GW1000 WIFI gateway
• Configuration on the WS View App
• Supports uploads to WeatherUnderground, WeatherCloud, MetOffice WoW.
• The rainfall history graph of your WU station ID can be viewed on the WeatherUnderground Dashboard on the WS View App.
• Rain sensor calibration and customised initial rain value functions available on the WS View App.
• Works with WH5360 Rain Gauge display console(sold separately).Transmission distance in open field: 100m (300 feet)
• 868MHz transmitter
• Measurement range: 0 – 6000mm
• Sensor reporting interval: 49 seconds
• Power: 1 x AA 1.5V LR6 Alkaline battery
• Estimated battery life 12 months

Includes

• One Rain Gauge Sensor (NO Display Console)
• One set of U-bolts for installation
• User Manual in electronic formal