EN
OPERATOR'S MANUAL
57
10.2. RADIOLOGICAL CHARACTERISTICS
Generator voltage
60
–
85 kV continuous mode (2D MODE)
90kV pulsed mode (3D CBCT MODE)
(automatically or manually selectable in steps of 1 kV)
Maximum continuous input anode power
42 W
Anode current
4
–
10 mA
automatically or manually selectable in steps of 1 mA
Maximum deviations from declared values
kV: < 5% (10% IEC)
mA: < 10% (20% IEC)
Linearity error < 0.2
Coefficient of variation < 0.05
X-ray tube
CEI OPX/105
CANON / TOSHIBA D-054SB
Focal spot size
0.5 mm according to IEC 336
Anode material
Tungsten (W)
Anode inclination
5° (CEI)
Anode thermal capacity
30 kJ (CEI)
Maximum continuous heat dissipation
270 W (CEI)
Inherent filtration
3.2 mm Al @ 85 kV (2D mode) - (+/-0.2mm)
6.2 mm Al @ 85kV (CBCT mode) - (+/-0.2mm)
Half value layer (HVL)
2D (PAN,CEPH): HVL=3.6mm @85kV
3D (CBCT mode): HVL=5.0mm @90kV (with additional
automatic filter)
Dispersed radiation
<0.88mGy / h at 1 metre from focus at 90KV 10mA,
duty cycle 1:20
Maximum current
7A for 230Vac version
14A for 115Vac version at 85KV 10mA
Exposure time (PAN/CEPH/CBCT)
2D: 0.5s - 14s continuous radiation (depending on the
2D examination type selected)
3D: 18s-36s pulsed mode with actual X-ray emission
total time 3.6s- 9s (3D mode)
Load factor of X-ray unit
Max 20 s ON, 400 sec. OFF
Source distance - primary collimator
100 mm
Source - skin distance (PAN)
> 150 mm
Source - skin distance (CEPH)
> 1000 mm
Source - skin distance (CBCT)
> 150 mm
Output radiation intensity (Output dose)
Typical 0.30 mGy/s @ 70 kV, 10 mA, 1 m SDD. (+/-
30%)
(1.0 mGy/s 70kV 550 mm 10mA)
Source - detector distance (SID) - PAN
550 mm
Source - detector distance (SID) - CEPH
1512 mm
Source - detector distance (SID) - CBCT
660 mm
Sensor life
at least 30,000 exposures
