Gendex ORTHORALIX 9200 Service Manual page 61

ORTHORALIX 9200 Service Manual
D.3.2 Tube current accuracy
The tube current accuracy is ± 7% (the accuracy of the instrument
used for the measurement is excluded).
board.
1.
2.
Connect a multimeter to test points TP 16 (mA feedback
3.
Select V - DC on the multimeter.
4.
on the multimeter and stop the exposure.
5.
Check that the tube current conforms to the specification.
NOMINAL VALUE (V)
mA
FEEDBACK TP16
3 1.57
4 2.09
5 2.62
6 3.14
7 3.66
8 4.19
9 4.71
10 5.24
11 5.76
12 6.28
13 6.81
14 7.33
15 7.86
D.3.3 kV Accuracy
the measurement.
Gendex Dental Systems 4519-190-71193-7
-
ACCEPTANGE RANGE
(V)
1.49 1.65
1.98 2.19
2.49 2.75
2.98 3.30
3.48 3.84
3.98 4.40
4.47 4.94
4.99 5.50
5.47 6.05
5.97 6.59
6.47 7.15
6.97 7.70
7.47 8.25
D-2
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
MAX kV MODULATION RESPECT TO
PROJECTION
CHILD
RIGHT JAW
LEFT JAW
board.
1.
2.
For the measurement connect a multimeter to test points TP
3.
Select V - DC on the multimeter.
4.
on the multimeter and stop the exposure.
5.
NOMINAL VALUE (kV)
kV
FEEDBACK TP13
60 6.0
62 6.2
64 6.4
66 6.6
68 6.8
70 7.0
72 7.2
74 7.4
76 7.6
78 7.8
80 8.0
82 8.2
84 8.4
D.3.4 Timer accuracy
THE SELECTED VALUE
- 6 %
- 7 %
- 8 %
-10 %
-10 %
ACCEPTANCE RANGE
(V)
5.70 6.30
5.90 6.50
6.10 6.70
6.30 6.90
6.50 7.10
6.70 7.30
6.90 7.50
7.10 7.70
7.30 7.90
7.50 8.10
7.70 8.30
7.90 8.50
8.10 8.70
-
(03.0)E