Specifications
4-2
p) SID: SID distance 1m in normal use, measured with the tape in the collimator.
q) Maximum continuous heat loss: 250W
r) Deviation between focus position and reference axis: ± 1°
4.2 Specifications of X-ray Tube
4.2.1 IEC classification: Class I, Type B
4.2.2 Main specifications
a) Electrical parameters
Circuit (neutral grounding) ………………………………………………………DC circuit
Operating voltage………………………………………………………………..40
-125 kV
Small focus ………………………………………………………………..........……0.6mm
Large focus .....................................................................………........................1.8mm
Energy input (at 1.0s)
Big focus DC ………………………………………………...................................5300 W
Small focus DC ...............................……………............................................. .1270 W
b) Physical parameters
Total length…………………………………………………………………………..135 mm
Maximum diameter…………………………………………………………………...50 mm
Vertebral target
Target angle……………………………………………………………………...15 degrees
Structure……………………………………………………………………………..tungsten
Inherent filtration……………….at least equivalent to 0.6 mmAL when voltage is 75 kV
X-ray coverage…………………………………………….430 × 430 mm at SID 900 mm
Weight (approx.)………………………………………………………………………..400 g
Cooling…………………………...oil immersion (max. 60℃) heat exchange, oil cooling
Tube fixation……………………………………………………...fixed insulation envelope
4.2.3 Maximum Rising Chart
As shown in Fig. 4-1.
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