Myray hyperion - 7 Technical Specifications

52 EN
hyperion - OPERATING INSTRUCTION
CEPH unit –CARPO examination
Positioner
Carpal support on which to rest patient’s hand (without
exerting pressure).
Positioning procedure
Have the patient rest his/her hand on the carpal support; make sure no other body parts are interposed between the
support itself and X-ray source.
7 TECHNICAL SPECIFICATIONS
ELECTRICAL DATA
Power supply 115 – 240 VAC
Frequency 50 – 60 Hz
Maximum acceptable mains voltage drop
Maximum line resistance
4%
1 Ω @ 240 V - 0.5 Ω @ 115 V
Maximum absorbed current – temporary load 7 A @ 240 V - 15 A @ 115 V
Maximum absorbed current – stand by 0.5 A @ 240 V - 1 A @ 115 V
Lift duty cycle 50 s ON – 800 s OFF
RADIOLOGICAL DATA
High voltage operation interval - kV 60 – 85 kV selected in steps of 1
High voltage precision ±10% of indicated value
Anode current operation interval - mA 1 – 10 mA selected in steps of 1
Anode current precision of indicated value ±20% of indicated value
Backup timer 18 s
Exposure time precision ±(10% + 1 ms) of indicated value
Radiological duty cycle, rotary unit and CEPH unit move-
ments
1:20 @ 85 kV-10 mA - max 12 s
Heat capacity 30000 J
Maximum heat dissipation 250 W
Maximum dissipation technical factors 85 kV - 3 mA
Inherent ltration 3.2 mm Al @ 85 kV
Half-value layer (HVL) 3.2 mm Al @ 85 kV
Scattered radiation ≤250 µGy/h at 1 m in each direction measured at 85 kV,
3mA
Primary radius shield 1.5 mm Pb
Primary collimator – source distance 64 mm
Primary collimator slit dimensions 0.8 X 17.4 mm (vertical slit)
Source – skin distance PAN: >150 mm
CEPH: >1000 mm