Ecowitt WN31 / WN31_EP Multi Channel Temperature & Humidity Sensor

Adding the WN31 (WH31) 8 channel sensor to the Ecowitt WiFi or TFT gateway gives additional temperature and humidity readings at an alternative location. Upload data to the Ecowitt network to store a history of both temperature and humidity online.

Also available as the WN31A_EP which has the SHT35 temperature and humidity sensor at the end of a 1 meter cable.

Features

• Measures temperature and humidity
• Configurable for use with a range of Ecowitt gateways or consoles
• View readings directly in the App
• Add up to 8 sensors of this type
• LED display with Fahrenheit and Celsius selectable
  
• Upload data to the Ecowitt weather server to view history graphs and download the date from the website
• Classed as an additional sensor, does not report to unsupported online services
  

To see how many of each variety of sensors your equipment supports, click here to view the latest Ecowitt sensor matrix.

 

Included

• 8 Channel Temperature and Humidity Sensor with LCD display
• Option for SHT35 sensor on 1 meter probe (WN31_EP model)
• Manual available by electronic download

Technical & Manual

• Temperature range: -40°C – 60°C (14°F - 140°F) LCD may become difficult to read below -10°C
• Temperature resolution: 0.1°C or 0.1°F
• Temperature accuracy: ±1°C
• Humidity range: 10% - 99%
• Humidity resolution: 1%
• Humidity accuracy: ± 5%
• Transmission distance in open field: 100m (300 feet)
• 868MHz UK and European frequency
• Classed as an additional sensor, does not report to Weather Underground a WH32 outdoor sensor is recommended
• Sensor reporting interval: 61 seconds
• Power: 2 x AA 1.5V LR6 Alkaline battery (required)

 

Product Warranty

2 year warranty from date of purchase from May 2025, 1 year on purchases before this date - return to supplier. Batteries are excluded from warranties as they are classed as a consumable item.

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