
Sirona Dental Systems GmbH
2 Technical Description
Operating Instructions
ORTHOPHOS 3
60 82 262 D 3285
D 3285.201.04.06.02
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2
Technical Description
2.1
Technical Data
Nominal line voltage:
208V / 230V - 240V
Permissible line voltage fluctuation:
±10%
Nominal current:
max 9.7A
Nominal frequency:
50/60Hz
Power line resistance:
max. 0.8Ohm
Fuse at the distribution panel:
20A slow blow
Rating:
2.1kW
Tube voltage:
60 – 80kV
Tube current:
6 –11mA
Curve form of high voltage:
high frequency
Multipuls Residual ripple
≤
4kV
Rotation time:
Exposure time:
Reproduction scale:
With P1 program, medium mandibular arch (plane center)
ca. 1:1.19. The image at the image receiver is approxi-
mately 19% larger than the real proportions.
Focus size, according to IEC 336,
measured in central ray:
0.5mm
Focus marking:
Automatic exposure blockage (see page 27):
The duration of the exposure blockage (cool-off period)
depends on the
kV/mA
step set and the actually triggered
radiation time. Depending on the tube load, pause times up
to 200s are set automatically.
Example: For P1 program with exposure data 74kV/10mA
and a radiation time of 11.3s a pause of 200s results.
Equipment of protective class I
Protection against electric shock:
Type B equipment
Protection against penetration of water:
Ordinary equipment (without protection)
Year of manufacture
(on the name plate)
Mode of operation:
Continuous operation
Long time power rating:
64W
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