10
Meter Operation
Setting up the meter
1. Adjust the length of the collapsible shaft (fig. 1) by removing
the fastening bolt and either extending or retracting the shaft to its
new position, re
-
insert the fastening bolt, and hand tighten.
2. Screw in and tighten the rods into the sockets at the bottom of
the probe block.
3. Set the desired user settings in the settings menu. See the Set-
tings Menu (p.8).
Taking Readings
1. Grip the TDR handles to the left and right of the display.
2. Push down on the handles maintaining a steady downward
pressure to drive the rods into the soil until the sensor base is in
contact with the soil surface. Be sure not to allow back and forth
or side to side movement. This can introduce air pockets into the
soil medium which will alter the reading.
Caution: Exercise care not to damage the rods. See
Meter Care
(p. 11).
3. Press the
READ
button and observe the change in results on
the top display.
Figure 1. Shaft, fastening bolt, and rods