Ambient Weather WH31P Water Proof Probe Temperature Sensor for WS-1550-IP, WS-1965, WS-2000, WS-2902B, WS-2902C, WS-3000, WS-4000, WS-5000 and ObserverIP Series Weather Station
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Note: TheWH31P sensor is not a stand-alone device and requires a WS-2902B (or greater revision), WS-1965, WS-2000, WS-4000, or WS-5000 weather station to view and upload the data to our cloud hosting service at AmbientWeather.net.
Accessory for the ObserverIP, WS-1965, WS-2000, WS-2902B, WS-2902C, WS-3000, WS-3000-X3, WS-3000-X5, WS-0265, WS-4000, and WS-5000 (total of 8 sensors).
The remote sensor includes a 10-foot waterproof probe, ideal for measuring any wet temperature medium, including water, soil, refrigerators, and freezers. This sensor has an IPX4 water resistance rating.
The probed sensor has a low thermal mass and responds quickly to temperature changes.
Notes:
- The WH31P can be used indoors and outdoors, but if used outdoors, it needs to be protected. Although the sensor is weatherproof, it is best to mount it in a well-protected area, such as an eve or in an enclosure like the Ambient Weather WH31-SRS Temperature and Humidity Solar Radiation Shield.
Weather Features
Temperature
Additional Features
- 10' water-proof probed thermometer
- LCD display
- Suspension eye for easy mounting
- Outdoor temperature range: lithium batteries: -40°F to 140°F
- Outdoor temperature range: non-lithium batteries: -4°F to 140°F
- Dip switch selectable remote channels
- Monitors temperature in up to 8 remote locations
- Transmission range of up to 300 feet line of sight (100 feet under most conditions)
- Frequency: 915 MHz
- Update Rate: 60 seconds
- Sensor Dimensions (LxHxW): 4.75 x 1.5 x 0.6 in
- Power requirements:
- Remote Sensor - 2 x AA (not included)
Product Questions
To edit the label name on the console, select the Settings button 
, and then the down arrow 
9 times until Multi Channel Sensor Setup is highlighted and press plus 
to view the channel settings.
To edit the channel name, Press or key to select the channel name. The name field will turn green.
Press the 
key to view the keyboard, and enter the sensor name. Press 
to scroll to the character and press 
to select the character. Press ‘OK’ to save your newly labeled Sensor. Press 
to return to the setup page.
If the display console only displays km, make sure your firmware is up to date. This issue was resolved in Version 1.6.3:
Ambient Weather WS-2000 And WS-5000 Firmware Download Center
To view the Sensors ID panel on the display console, select the 
button to open the Set Up page.
Then using the 
or 
buttons, highlight the More | Setup option towards the bottom right corner of the screen. You can then use the 
button to select this option.
From this page you can use the or buttons to highlight the Sensors ID | Setup option towards the top right corner of the screen. You can then use the button to select this option.
Q: Which sensors work with the WS-2902B console?
A: The WS-2902B will ONLY work with the WH31/WH31B/WH31E, WH31P (probed) and PM25/PM25IN sensors.
The sensors are “pass-through”, which means they will not appear on the local display console, but are displayed on AmbientWeather.net.
It will NOT work with WH31L (lightning), WH31LA (leak alert), WH31SM (soil moisture) .
The following image is an example of a channel 1 sensor. The title is customizable on the website:
