8
OPERATION
Option 1
1. Clip off the stereo plug connector on the sensor cable.
2. Strip and tin the wires.
3. Wire it directly into the data logger.
This option has the advantage of creating a direct connection and minimizes the chance of
the sensor becoming unplugged. However, it then cannot be easily used in the future with a
METER readout unit or data logger.
Option 2
Obtain an adapter cable from METER.
The adapter cable has a connector for the stereo plug connector on one end and three
wires (or pigtail adapter) for connection to a data logger on the other end. The stripped and
tinned adapter cable wires have the same termination as seen in
; the brown wire is
excitation, the orange is output, and the bare wire is ground.
NOTE: Secure the stereo plug connector to the pigtail adapter connections using adhesive-line heat shrink to ensure
the sensor does not become disconnected during use.
2.3 COMMUNICATION
The TEROS 11/12 sensor communicates using two different methods:
• DDI serial string
• SDI-12 communication protocol
To obtain detailed instructions, refer the
.
The SDI-12 protocol requires that all sensors have a unique address. TEROS 11/12 sensor
factory default is an SDI-12 address of
0
. To add more than one SDI-12 sensor to a bus, the
sensor address must be changed as described below:
1. Using a ProCheck connected to the sensor, press the Menu button to bring up the
CONFIG menu.
NOTE: If the ProCheck does not have this option, please upgrade its firmware to the latest version from the
webpage.
2. Scroll down to
SDI-12 Address
. Press
Enter.
3. Press the
UP or DOWN arrows until the desired address is highlighted.
Address options include 0...9, A…Z, and a…z.
4. Press
Enter.
