METER TEROS 11 Advanced Soil Moisture Sensing User Guide
- June 6, 2024
- METER
Table of Contents
**METER TEROS 11 Advanced Soil Moisture Sensing User Guide
**
QUICK START
Preparation
Inspect and verify the sensor components (TEROS 11 Soil Moisture and
Temperature or TEROS 12 Soil Moisture, Temperature, and Electrical
Conductivity). The TEROS verification clip gives the best assessment of proper
sensor function and accuracy. The TEROS 11/12 should read 0.332 to 0.363 m3/m3
on the verification clip. If a verification clip is not available, test basic
sensor functionality in air and water. The TEROS 11/12 will read ~0.70 m3/m3
in water and a slightly negative value in air.
NOTE: The sensors are optimized to read in soils, therefore the sensor
will not read 100% in pure liquid water. Values above use the mineral soil
calibration.
What is soil moisture?
Soil moisture is a key variable in controlling the exchange of water and heat
energy between the land surface and the atmosphere through evaporation and
plant transpiration. Learn more at metergroup.com
Installation Tool
Proper installation of the sensors is critical for proper operation. Refer to
the TEROS 11/12 User Manual for details.
For easy installation, use the borehole installation tool. The installation
tool (shown below) is available for rent from METER Group. Contact Customer
Support for more information.
ATTENTION
For best results, use the latest versions of METER software and firmware for
the computer or mobile device, products, and sensors. Please use the software
Help menu to find updates. Consult the sensor user manual for more
troubleshooting tips.
Installation
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Insert Sensor
Auger or trench a hole to the desired sensor depth. Insert the sensor into the undisturbed soil. When using the borehole installation tool, load the
TEROS 11/12 as shown. Lower the tool into the hole or trench with the back of the tool supported by the far wall. Pull on the lever to activate the jack and insert the sensor into hole wall.
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Repack Soil and Protect Cables
Secure and protect cables with PVC casing or flexible conduit and backfill the trench or hole.
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Check Sensor Operation
Plug the sensor into the data logger and use the SCAN function in the software to do a quick check of sensor operation before backfilling
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Plug Sensor In and Configure Logger
Plug the sensor into the data logger. Use data logger software to apply appropriate settings to the sensors plugged into each data logger port.
SUPPORT
Have a question or problem? Our support team can help.
We manufacture, test, calibrate, and repair every instrument in house. Our
scientists and technicians use the instruments every day in our product
testing lab. No matter what your question is, we have someone who can help you
answer it.
NORTH AMERICA
Email:
support.environment@metergroup.com
Phone: +1.509.332.5600
EUROPE
Email: support.europe@metergroup.com
Phone: +49 89 12 66 52 0
