2 Technical Description
Sirona Dental Systems GmbH
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60 81 967 D 3350
6
D 3350.201.02.08.02
2
Technical Description
Technical Data
Nominal voltage
:
Permissible line voltage fluctuations:
220V / 230V / 240V or
100V / 110V / 120V
+ 6% –10% (230V) ,
±
10% (100, 110, 120, 220, 240V)
Nominal current:
at 230V: 6A
at 100V: 9.5A
Rated line frequency:
50Hz / 60Hz
Power line resistance:
at 220V - 240V: 0.95 Ohm
at 100V - 120V: 0.3 Ohm
House wiring fuse:
16A
Power requirement:
< 1.5kW
Tube voltage:
70kV
Tube current:
7mA at nominal voltage
7.35 mA at nominal v10%
6.65 mA at nominal voltage –10%
High-voltage curve:
Monopulse X-ray tube
Radiation times:
30ms – 3.2s
Mark-to-space ratio:
1:30 (radiation-time-dependent overheating protection)
Total filtration in X-ray tube unit:
>
2mm Al / 70 kV IEC 60 522/1999
Focal spot size acc. to IEC 336:
0.8mm
Focal spot mark:
SSD 8” (203mm) or 12” (305mm) = source-skin
distance
Diameter of radiation field at tube end:
<
60 mm
Type of protection against electric shock:
Protection class
I
Degree of protection against electric shock:
Type B
Degree of protection against penetration of water:
Conventional unit
(w/o protection against penetration of water)
Year of manufacture:
(on the rating plate)
Operating mode:
Continuous operation
Continuous power rating:
17W max
Rating (70kV, 7mA)
490W max
Anode material:
Tungsten
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