ECOWITT WN31 Wireless Multi-Channel Thermometer & Hygrometer — 8-Channel Temperature & Humidity Gauge with LCD Display

Overview

The ECOWITT WN31 is a wireless thermometer and hygrometer designed for indoor monitoring. It measures both temperature and humidity and presents the readings on a clear LCD display. When paired with compatible Ecowitt gateways, the data can be viewed remotely through the WS View Plus app or Ecowitt App after a simple Wi‑Fi setup. This device helps you keep a steady eye on the climate across living spaces without intrusive equipment.

With the WN31, you can extend your monitoring to multiple zones. The system supports up to eight channels, letting you place sensors in several rooms or areas—such as living rooms, bedrooms, bathrooms, basements, garages, or dedicated spaces like a studio or music room. Each channel can be individually configured using easy dip switches, giving you practical control over which room or location you’re tracking at a glance.

Key Features and Real-Life Use Cases

• Wireless multi-channel monitoring: Track temperature and humidity at up to eight locations from a single monitor, ideal for homes, studios, storage spaces, and more.
• LCD display for quick readings: Read current conditions at a glance without opening an app, making it convenient for on-the-spot checks.
• Remote access via gateways and apps: Pair with Ecowitt GW1100, HP2551, WH2680, or WN1900 consoles to stream data to the Ecowitt Weather Server or mobile apps.
• Data history and alerts: View historical graphs and set email alerts when values cross your thresholds, helping you stay informed over time.

Setup, Controls, and Daily Use

• Easy setup: Runs on 2 AA batteries (not included) and is designed for straightforward operation out of the box.
• Dip-switch customization: Use switches 1–3 to set the channel number (1–8) and switch 4 to toggle between °C and °F for your preferred unit.
• Gateway pairing when needed: If you want Wi‑Fi-enabled viewing, follow the GW1100 quick start guide to connect the WN31 to a compatible gateway.

What Sets WN31 Apart (and How It Compares)

The WN31 is an eight-channel indoor sensor, while the WN32 is a single-channel option intended for outdoor use. WN31 focuses on indoor environments and lacks some Dew Point or feels-like data that the WN32 may provide. Data can be displayed in specific Ecowitt app modules, with WN31 readings appearing in the app’s temperature/humidity channels. Frequency varies by region (915 MHz in the US/CA, 868 MHz in parts of Europe, and 433 MHz in Australia), so ensure compatibility with your ecosystem before pairing.

Frequency and Compatibility

This WN31 operates at 915 MHz (US/CA). Other devices you pair must match this frequency. If you’re outside the US, EU, or AU regions, verify the supported frequency for seamless communication with your gateway and sensors.