User's Guide _______________________________________________________________________
82 ___________________________________________________________________ M210243en-A
1. Slide the mounting piece (1) to the sensor arm (2). Tighten with
the screws. For the numbers, see Figure 77 below.
2. Attach the radiometer (3) to the extension arm (4). Attach the
sensor's extension arm (4) to the mounting piece (1). Tighten
with the screws.
3. Lead the cable (5) through the sensor arm (1). Guide the sensor
cable through the sensor arm opening (6).
4. Finally, connect the signal cable to the connector at the lower
base of the tube. For more information, see section Connecting
Cables on page 71.
0201-039
Figure 77 Installing QMN101 Net Radiometer
Installing Soil Temperature
Sensors
QMT103
QMT103 soil/water temperature sensor has a ready-made 5 m cable
and the connector. The connector L at the lower base of the tube is
reserved for the first sensor. The connectors M and O can also be used
for additional soil/water temperature sensor. For more information,
see Table 10 on page 71.
QMT107
During a typical installation, QMT107 probe is pressed into pre-
formed holes, but they can also be placed into excavated holes that are
then filled. On hard or rocky ground, a pilot hole is pre-formed with
an auger rod. Drill a hole according to the following procedure:
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