Can i use wh32 for wh31? and 8 sensor max. for one gateway?

Hi, you can't use the WH32 for WH31. Here are the differences between the two sensors: 1. Only the WH32 sensor data can display "Outdoor Temperature and Humidity" on the WS View app when work with GW1000. 2. The WH31 sensor data will display "Multi-channel Temperature and Humidity" on the WS View app when work with GW1000. 3. One GW1000 can only receive one WH32 sensor data. 4. One GW1000 can receive up to 8 WH31 sensor data. 5. The WH32 sensor data can be uploaded to weather underground, while the WH31 could not. 6. Both the WH32 and WH31 data can be uploaded to ecowitt.net. 7.The WH31 can work with HP2551/HP3500/HP3501 Any other question, please let us know at support@ecowitt.com.

Is this sensor ok for outdoor use?

Eccowitt has a sensor for outdoor use that you should buy. (WH32) The WH31 will take channel 1 to 8, while the WH32 is independent and has it own channel assignment so leaving channel 1 to 8 open for other temp/humidity sensors. Physically WH31 and WH32 are the same case.

Has anyone had success with a WH31 in a freezer or refrigerator?

Hi, you can place the WH31 in a freezer or refrigerator, since the working temperature for it is -40C to 60C(-40F to 140F). Any other question, please contact us at support@ecowitt.com

Can this sensor be calibrated? Thanks!

Hi, yes, you can calibrate it on the WS View app: On Live Data press More - select Calibration - select Multi CH T&H Calibration Then you can set the value you want. Any question, please contact us at support@ecowitt.com.

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ECOWITT WN31 Wireless Multi-Channels Thermometer and Hygrometer Sensor, Temperature & Humidity Gauge with LCD Display, Dip Switches to Switch ℃/℉(Not use as Outdoor temperautre and Humidity Sensor)

ECOWITT WN31 Wireless Multi-Channels Thermometer and Hygrometer Sensor, Temperature & Humidity Gauge with LCD Display, Dip Switches to Switch ℃/℉(Not use as Outdoor temperautre and Humidity Sensor)

Product ID: 102369162

Details

Brand
ECOWITT
Color
1X WH31 Multi
Connectivity Technology
Wi-Fi 915 MHz
Material
Plastic
Number of Batteries
2 AA batteries
Power Source
Battery

📡8-channel wireless sensor

📱Wi-Fi app monitoring

🌡️±1°C temperature accuracy

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Description

🌡️ Stay ahead indoors with precision multi-zone climate insights!

MULTI CHANNEL MASTERY - Track temperature & humidity across 8 customizable indoor zones for total environmental control.
SEAMLESS WIRELESS SYNC - Connect effortlessly via 915 MHz frequency to Ecowitt Wi-Fi gateways for real-time remote monitoring.
SMART ALERTS HISTORY - Get instant email notifications and access detailed historical data through the Ecowitt app and weather server.
BATTERY POWERED FREEDOM - Runs on 2 AA batteries (not included) for flexible placement without messy cords or outlets.
DYNAMIC DISPLAY CONTROL - Switch easily between ℃/℉ with dip switches and view data on a crisp LCD—no guesswork needed.

The ECOWITT WN31 is a wireless indoor thermometer and hygrometer sensor supporting up to 8 channels, delivering precise temperature (±1°C) and humidity readings. It features an easy-to-read LCD display with switchable ℃/℉ units, connects via 915 MHz frequency to compatible Ecowitt Wi-Fi gateways for remote app monitoring, and supports email alerts and data history on Ecowitt’s free weather server. Powered by 2 AA batteries, it’s designed for versatile indoor use across multiple rooms.

Specifications

ASIN	B07JLRJRLM
Additional Features	8 Channels, Temperature and Humidity
Are batteries included?	No
Best Sellers Rank	#45,710 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #54 in Weather Stations #430 in Scanners & Testers
Brand Name	ECOWITT
Color	1X WH31 Multi Channel Temp & Humidity Sensor
Connectivity Technology	Wi-Fi, 915 MHz
Customer Reviews	4.6 4.6 out of 5 stars (841)
Display Type	LCD
Frequency	915 MHz
Included Components	Instruction Manual
Item Dimensions D x W x H	0.55"D x 4.84"W x 0.55"H
Manufacturer	ECOWITT
Material Type	Plastic
Model	WN31
Number of Batteries	2 AA batteries required.
Part Number	FG-WH37BN-ECO1
Power Source	Battery Powered
Recommended Uses For Product	Home
Sensor Technology	Wireless
Specific Uses For Product	Humidity, Temperature
Style Name	WN31
Temperature Accuracy	± 1°C
Temperature Reading Accuracy	plus_minus_1_degree_celsius
UPC	711639641228
Unit Count	1 Count
Upper Temperature Range	140 Degrees Fahrenheit

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$38.06

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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