2 Technical Description
Sirona Dental Systems GmbH
Operating Instructions HELIODENT DS
60 81 744 D 3302
6
D 3302.201.01.25.02
2
Technical Description
Technical Data
Nominal voltage
:
Permissible line voltage fluctuations:
200 – 230V or 127V
+ 6% –10% (200 – 230V),
±
10% (127V)
Nominal current:
at 230V: 4.6A
at 127V: 11A
Rated line frequency:
50Hz / 60Hz
Line impedance:
at 230V: 0.8 Ohm
at 127V: 0.3 Ohm
House wiring fuse:
16A
Power requirement:
< 1.5kW
Tube voltage:
60kV
Tube current:
7mA
High-voltage curve:
Multipulse X-ray tube
Radiation times:
0.01 – 3.s
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
Focal spot size acc. to IEC 336:
Petrick
P470/6.30/12G
0.
4
mm
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:
30W max
Rating (60kV, 7mA)
420W max
Anode material:
Tungsten
Exposure data to determine leakage radiation:
0.25mA/60kV
Leakage radiation
<
0.25 mGy/h
Filament
Nominal line voltage:
6,6V
Nominal current:
1,6A
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