METER TEROS 11, Manual

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2
OPERATION
2. OPERATION
Please read all instructions before operating the TEROS 11/12 to ensure it performs to its full
potential.
SAFETY PRECAUTIONS
METER sensors are built to the highest standards. Misuse, improper protection, or improper
installation may damage the sensor and possibly void the manufacturer’s warranty. Before
integrating the TEROS 11/12 into a system, follow the recommended installation instructions
and have the proper protections in place to safeguard sensors from damage. If installing
sensors in a lightning-prone area with a grounded data logger, see the application note
Lightning surge and grounding practices .
2.1 INSTALLATION
Follow the steps listed in Table 1 to set up the TEROS 11/12 and start collecting data. For more
detailed installation information, consult the TEROS Sensors Best Practices Installation Guide .
Table 1 Installation
Tools Needed
Auger or Shovel
Secure Mounting Location for Data Logger and Cable
Borehole Installation Tool (Optional)
jack
cradle
carriage
shaft
actuator
lever
flashlight
TEROS
sensor
Preparation
Determine Best Installation Method
There are several methods for installing soil moisture sensors. These methods
are described in Table 2 .
Conduct System Check
Plug the sensor into the data logger (
Section 2.2 ) to make sure the sensor is
operating as expected.
Verify all sensors read within expected ranges. To validate both sensor function
and logger functionality, take a sensor measurement in air and water. The
TEROS 11/12 will read ~0.70 m
3
/m
3
in water and a slightly negative value in air.