ANNEX 1
A1. TECHNICAL SPECIFICATIONS
X-ray SOURCE ASSEMBLY
Half Value Layer (HVL) at 70 kV 2 mm Al
Total ltration at 70 kV 2,3 mm Al
Tube inherent ltration at 70 kV > 1 mm Al
X-ray tube tension accuracy ±10%
X-ray tube current accuracy ±20%
Radiation linearity ±10%
X-ray emission time accuracy
±20 ms 0,080 s ≤ t ≤ 0,320 s
±5% 0,400 s ≤ t ≤ 3,2 s
Reproducibility 0,05
Generator Single phase X-ray generator
X-ray tube nominal current 8 mA
X-ray tube nominal voltage 70 kV
Exposure times 0,080 s ÷ 3,2 s
Reference current-time product 0,8 mAs 8 mA 0,1 s
Intensity of radiation in the air > 30 μGy/h at 1 m from focal spot
Leakage radiation (measured @ 70kV, 8 mA, 3,2 s) < 0,25 mGy/h at 1 m from focal spot
Operating cycle 1:32
Loading factors related to the maximum specied energy input
in one hour
70kV – 8mA
PLEASE NOTE
The measurements criteria are based on the requirements stated by the applicable standards
listed in the annex A.3 of this manual.
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