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Operator’s manual • X-Mind unity • VH • (15) • 09/2017 • NUN0EN010H
Annex A: Technical data
A.1 TECHNICAL SPECIFICATIONS
X-RAY SOURCE ASSEMBLY
HVL
>1,5 mmAl / 70 kV
Total filtration
2,2 mmAl / 70 kV
Inherent Filtration
1,2 mmAl équivalent / 70 kV
Leakage radiation
(measured 70kV/6mA/2s)
<0,25 mGy/h@1000 mm
X-ray tube voltage accuracy
±10%
X-ray tube current accuracy
±20%
Radiation linearity
<20%
X-ray emission time accuracy
±(10%+1 ms)
Current-time product accuracy
±(10%+0.2 mAs)
X-Ray Tube Current
4-7 mA (crans +/- 1mA)
Maximum X-Ray Tube Current
7 mA
X-Ray Tube Voltage
60 kV/65 kV/70 kV
Maximum X-Ray Tube Voltage
70 kVp
Exposure times
0,02-2 s (21 étapes, R’10)
Technique factors related to the maximum specified energy input in one hour
65 kVp,7 mA
Nominal X-ray Tube Voltage together with the highest X-ray Tube Current obtainable from the
High-Voltage Generator when operated at that X-ray Tube Voltage
65 kVp,7 mA
Highest X-ray Tube Current together with the highest X-ray Tube Voltage obtainable from the
High-Voltage Generator when operating at that X-ray Tube Current
7 mA, 65 kVp
The Combination of X-ray Tube Voltage and X-ray Tube Current which results in the highest electric
output power
65 kVp,7 mA
The lowest Current Time Product or the combinations of Loading Factors resulting in the lowest
Current Time Product
0,08 mAs (0,02 s @ 4mA)
X-ray emission technology/ mode of operation
Haute Fréquence, courant continu
Maximum Combinations of Loading Factors
70 kV/6 mA/2 s
65 kV/7 mA/2 s
60 kV ou 65 kV=7 mA max./2 s max.
70 kV=6 mA max./2 s max.
Dose reproducibility (COV
6
)
<0,05
X-Ray Tube Voltage Reproducibility (COV)
<0,05
Loading factors for Leakage radiation measurement
70 kV/6 mA/2 s
Cooling down duty cycle
1:30
6
PLEASE NOTE
The measurements criteria are based on the requirements stated by the applicable standards listed in the annex A of this manual.
6
Coefficient of Variation