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 Wireless Multi-Channel Thermometer and Hygrometer, Indoor Outdoor Temperature Humidity Meter with LCD Display, APP Remote Monitoring WH31

Product ID: 727800137

Details

Brand
ECOWITT
Power source
Battery
Recommended uses for product
außenbereich
Special features
High precision
Specific uses for product
Humidity

📡915 MHz wireless frequency

📱App remote monitoring

🌡️±1°C temperature accuracy

CI$46

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Description

🌍 Stay ahead of the climate curve with ECOWITT’s smart multi-channel sensor!

MULTI CHANNEL MASTERY - Track up to 8 locations simultaneously for total environmental control.
SEAMLESS WIRELESS SYNC - 915 MHz frequency ensures stable, long-range (100m) data transmission indoors and outdoors.
PRECISION YOU CAN TRUST - High accuracy ±1°C temperature and ±5% humidity readings keep your data reliable.
REAL TIME REMOTE ACCESS - Monitor temperature & humidity live via ECOWITT WS View app from anywhere.
CUSTOMIZABLE USER FRIENDLY - Easy dip-switch channel setup and °C/°F toggle for personalized, hassle-free use.

The ECOWITT Wireless Multi-Channel Thermometer and Hygrometer WH31 is a high-precision, battery-powered sensor that measures temperature and humidity with ±1°C and ±5% accuracy. Supporting up to 8 wireless channels on a 915 MHz frequency, it transmits data up to 100 meters to compatible ECOWITT Wi-Fi gateways (sold separately). Users can remotely monitor real-time environmental data via the WS View app, customize channels easily, and switch between Celsius and Fahrenheit. Ideal for indoor and outdoor use, this sensor empowers professionals to maintain optimal conditions across multiple spaces with seamless app integration and reliable performance.

Specifications

ASIN	B07JLRJRLM
Additional Features	High precision
Are batteries included?	No
Brand Name	ECOWITT
Color	WN31
Connectivity Technology	Wi-Fi
Customer Reviews	4.7 4.7 out of 5 stars (870)
Display Type	LCD
Frequency	915 MHz
Included Components	Instruction Manual
Is Used Where	Indoor, Outdoor
Item Dimensions D x W x H	1.4D x 12.3W x 1.4H centimeters
Manufacturer	ECOWITT
Material Type	Plastic, Battery
Model	WN31
Number of Batteries	2 AA batteries required.
Number of Items	1
Number of Packs	1
Part Number	FG-WH37BN-ECO1
Power Source	Battery Powered
Recommended Uses For Product	außenbereich, innenbereich
Sensor Technology	Wireless
Specific Uses For Product	Humidity
Style Name	WH31
Temperature Reading Accuracy	plus_minus_1_degree_celsius
UPC	711639641228
Unit Count	1 Count
Upper Temperature Range	60 Degrees Celsius

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CI$46

Duties & taxes included

In stock

Sold byAmazon Cayman 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 Cayman Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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