Ecowitt WN31(WH31) Thermometer Hygrometer Wireless 8-Channel Temperature Humidity Sensor with LCD Display (Sensor Only, Gateway not Included)Dip Switches to Switch ℃/℉
Wireless Multi-channel Thermometer Hygrometer
Ecowitt WN31 Thermometer & Hygrometer measures temperature & humidity and can view the current temperature and humidity on the LCD display. The data can be streamed by Ecowitt GW1100 Wi-Fi Gateway, HP2551…( These devices are all sold separately ) and can be viewed on our WS View Plus/ Ecowitt APP after the Wi-Fi configuration done.
Remote APP Monitoring & Email Alerts
If you want to view the multi-channel sensors’ data on your mobile application, you need to pair this WN31 thermo-hygrometer sensor with Ecowitt GW1100 Wi-Fi Gateway, or HP2550, HP2560, WS3800, WS3900, WN1980 etc consoles(These Devices are sold separately) after Wi-Fi configuration. Supports uploading the data to free Ecowitt Weather Server(ecowitt.net) to view all the data graph / download history records / set e-mail alerts for all the sensors on the website.
Supports up to 8 channels & 100M Transmission Range
Ecowitt WN31 thermo-hygrometer gauge allows you to track temperature and humidity at up to 8 locations (additional sensors are sold separately). They can be placed at your living room/bedrooms/bathroom/basement/garage/guitar room/baby room and etc; each channel number can be customized on your practical requirements by dialing the dip switches.
The wireless transmission range is up to 100m/328ft in the open field, allowing you to use it in different places. If you want to install the sensor outside, it’s recommended to install it inside a solar radiation shield to obtain best accuracy and protection. The sensor data will be transmitted every 60 seconds.
Note: WN31’s temp & humidity can’t be used as "outdoor temp & humidity", only sensor array & WN32 can.
Easy to Use
2 pcs AA batteries(NOT included) powered. Dialing the 1st to 3rd dip switches to customize the channel number; while dialing the 4th dip switch to freely switch between ℃ and ℉. If you want to pair this device with GW1100 wi-fi gateway(sold separately), please refer to the GW1100 quick start to get the wi-fi configuration procedures.
Specifications:
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Temperature Range
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(Probe) -40°C — 60°C (-40°F — 140°F); (LCD Display) -10°C — 60°C (14°F — 140°F)
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Temperature Resolution
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0.1°C or 0.1°F
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Temperature Accuracy
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± 1°C ( ±33.8°F )
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Humidity Range
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10% ~ 99%
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Humidity Resolution
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1%
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Humidity Accuracy
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± 5%
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Sensor Reporting Interval
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about 60 seconds
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Sensor Size
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123 x 42 x 14 mm
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Power
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2 x AA batteries ( NOT included )
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Frequency
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North America:915MHz; Europe: 868MHz; Other areas: 433MHz
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Note:
The sensor actually can measure from -40℉~140℉(-40℃~60℃ ）and send the data to receiver. However the screen display of the sensor might not work below 14℉(-10℃）.
Package List:
1 x WN31(AKA WH31) Multi-channel Temperature and Humidity sensor
1 x User Manual
FAQ:
Q1: What if I purchased the wrong frequency?
A: For example, if you are in Europe and have already mistakenly purchased the 915 MHz products.
Although the products sold in European are 868 MHz, it is ok for you to use them in Europe as long as the sensors and the gateway/receivers are the same frequency(for example, they are 915 MHz).
However, the hiding problem is that once you mistakenly purchased 1 device with 915 MHz frequency at first, when you need to purchase other ecowitt devices, you need to purchase them with the same frequency too. Only in this way can make sure the sensors and the receivers work together.
Q2: What are the differences between WN31 and WH31?
A: They are the same products and there is no difference in terms of functionality.
Q3: What are the differences between WN31 and WN32?
A: One WiFi gateway/receiver can only pair with one WN32 sensor, while can pair with up to 8 WN31 sensors.
The WN31 sensor data will display "Multi-channel Temperature and Humidity" on the WS View Plus/ Ecowitt APP app when work with WiFi gateway, while the WN32 sensor data can display "Outdoor Temperature and Humidity".
Q4: Can the WN31 sensor freely switch ℃/℉?
A: Of course, the WN31 sensor is equipped with 4-digit dip switch and the last dip switch is to switch between ℃ and ℉.
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