Version 1.0 ©Copyright 2020, Ambient LLC. All Rights Reserved. Page 1
Ambient Weather WH31SM Soil Moisture Sensor
Table of Contents
1. Introduction ..................................................................................................................................... 1
2. Features ........................................................................................................................................... 2
3. Getting Started ................................................................................................................................ 3
4. Setup Guide ..................................................................................................................................... 3
4.1 Batteries .................................................................................................................................. 3
4.2 Pre-installation ....................................................................................................................... 3
4.3 Sensor Placement ................................................................................................................... 3
5. Console ........................................................................................................................................... 4
5.1 Display ................................................................................................................................... 4
5.2 Sensor Channel Designation .................................................................................................. 4
5.3 Calibration .............................................................................................................................. 4
5.3.1 0% Soil Moisture Set Point ................................................................................................ 5
5.3.2 100% Soil Moisture Set Point ............................................................................................ 5
6. AmbientWeather.net ........................................................................................................................ 6
7. Specifications .................................................................................................................................. 6
7.1 Sensor Specifications ............................................................................................................. 6
7.2 Wireless Specifications .......................................................................................................... 6
7.3 Power Consumption ............................................................................................................... 6
8. Troubleshooting .............................................................................................................................. 7
9. Liability Disclaimer ........................................................................................................................ 7
10. FCC Statement............................................................................................................................ 7
11. Warranty Information ................................................................................................................. 8
12. California Prop 65 ...................................................................................................................... 8
1. Introduction
Thank you for your purchase of the Ambient Weather WH31SM Soil Moisture sensor. The following
user guide provides step by step instructions for installation, operation and troubleshooting. To
download the latest manual and additional troubleshooting tips, please visit:
https://help.ambientweather.net/help/
The soil moisture sensor is not a stand-alone device, and requires a WS-2000 or WS-5000 weather
station console to view and upload the data to our cloud hosting service at AmbientWeather.net.
To see if your weather station is compatible, please visit:
https://help.ambientweather.net/product/wh31sm/
The following WS-2000 and WS-5000 console firmware versions or greater support the soil moisture
sensor:
• Firmware revision number: V1.6.0
• WiFi Firmware: AMBWeatherV4.2.0
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