Part 1—The Diviner 2000 display unit and probe
Measuring the soil moisture content
Page 20
ACN 007 916 672
Sentek Pty Ltd
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To scan (swipe and go)
Note:
The first ‘swipe and go’ at each profile determines the maximum
depth for future readings.
1.
Unscrew the cap on the access tube.
2.
Insert the probe.
3.
Align the two lugs on the access tube top cap base with the gap in the
Diviner 2000 datum plate.
4.
Screw down the probe cap to the top of the access tube.
5.
On the display unit, press
SCAN
.
The selected soil profile, time and date appear on the top of the screen.
6.
Verify that the soil profile is correct. (Refer to your Soil Profile booklet
if necessary.)
7.
Press
ENTER
.
The prompt
'Position the probe at start point'
appears.
8.
Position the probe at start point.
Note:
Start point is at the top of the access tube not the bottom.
The prompt
'Insert probe'
appears.
9.
Insert the probe at a constant rate to the depth of the profile.
The display unit
will 'beep' as it takes a reading at each 10 cm (4 in)
interval.
Note:
If there is water in the bottom of the access tube an alarm
sounds and the following message displays:
‘Warning:
Water in tube.
Turn off and rectify’.
Dry the access tube and sensor head before taking any more readings.
10.
Remove the probe at the same constant rate.
When readings have been recorded for each depth the display unit
displays the following two messages indicating a successful scan:
•
'logging data'
•
'scan completed'.
11.
If a reading was missed during the scanning process, the following
message appears:
•
'Scan failed'.
Note:
‘Scan failed’
will also appear if the reading is outside of
the water-air calibrated range or the probe length is longer
than the probe being used (see delete profile on page
28
).
Содержание Diviner 2000
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