DEVIATION MEASUREMENT
BY A PRAD SENSOR
EN
DUC
DIALOG
TLK
Dialog Procedure Mesure Déviation TLK en
2
x 3
10
0 m
2 m
3
5
10
1
x 3
4
< 2 000 m/h
> 10 rpm
1.
Check communication with the PRAD
sensor : otherwise recharge the battery of
the sensor or check the settings of the serial
number and MAC number of the sensor
used.
2. Start drilling on the DIALOG device.
Calibrate the PRAD sensor.
Rotate 3 times the head rotation at constant
speed.
Check that the yellow point of the PRAD
sensor turns.
Place the sensor membrane front of the
operator. Press this icon
.
Then press button
Selection
Angle
and validate
for angle rotation resetting. The yellow dot is
located in the small rectangle . The rotation
of the sensor is calibrated
.
3.
Between 0 m et and the horizontal red
line, (here 2 m) revolve the auger at least 3
times. Wait until the icon is green
10
for
angle rotation resetting (the counter with 10
seconds goes to 0).
4.
From the horizontal red line the icon
is displayed.
Down regularly to a speed lower than 2000
m/h and at a rotation 10 rpm minimum.
When the maximum depth is reached, go up.
5. Wait the measurements stored in memory
If the icon
is green and the symbol
2
is green, the measures are valid.
If the icon
is green, the recording
of the measured deviation is possible
10
.
Press the button
Selection
Record
to back up
measures.
Turn the auger several times to display the
button
Selection
Set
. Place the
PRAD sensor in
front of the operator
then press
Selection
Set
button.
If necessary repeat a passage by following
the procedure from step 3.
Communication
error
Standby PRAD
no sensor
selected
Sensor
search
ANGLE ROTATION RESET
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(Programmable)
recuperation
100%