Myray 708G, Operator'S Manual

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OPERATOR'S MANUAL EN
9. TECHNICAL DATA
9.1. ELECTRICAL CHARACTERISTICS
Power supply voltage Single-phase 115 – 240 VAC (allowed fluctuation +/-
10%)
Power supply frequency 50 / 60 Hz
Current absorbed in rest conditions 1A @ 115V; 0.5A @ 240V
Maximum current absorbed in operating conditions 20A @ 115V; 12A @ 240V
Column movement operating cycle 25 s ON, 400 s OFF
Maximum apparent line resistance 0.5 Ω @ 240 V - 0.25 Ω @ 115 V
Overvoltage type II
Power supply system protection With limiter at maximum current of 20 A and differential
current of 30 mA
Current/voltage combination for the maximum output
power
72 kV, 15 mA, 1080 W
9.2. RADIOLOGICAL CHARACTERISTICS
Generator voltage 2D: 60 – 85 kV (automatically or manually selectable in
steps of 1 kV)
3D: 90 kV pulsed mode (max 12mA)
Maximum continuous input anode power 42 W
Anode current 4-15 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
Variation coefficient < 0.05
X-ray tube Only for 2D machines :
CEI OPX/105
TOSHIBA D-054SB
KAILONG KL5
Only for 3D machines :
TOSHIBA D-067SB
Focal spot size 0.5 mm according to IEC 336
0.6 mm (only for TOSHIBA D-067SB)
Anode material Tungsten (W)
Anode inclination 5°
12° (only for TOSHIBA D-067SB)
Anode thermal capacity 30 kJ (CEI- KAILONG) – 35 kJ (TOSHIBA)
Inherent filtration >2.5 mm Al @ 85 kV (2D mode)
6 mm Al @ 85kV (3D mode)
Half value layer (HVL) 2D: HVL=3.1mm @85Kv
Leakage radiation <0.88mGy / h at 1 metre from focal spot at 90KV
Exposure time (PAN/CB3D) 2D mode: 1s - 15s continuous radiation (depending on
the 2D examination type selected)
3D mode: 6.4s-16.8s pulsed mode
Source distance - primary collimator 100mm