Vatech A9

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098
99 / 214
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10. Capture the CT Number phantom and evaluate CT Number accuracy.
(refer to 5. CT Number Accuracy evaluation.)
※ CT Number standard value
Parameter LSL(Lower Specification Limit) USL(Upper Specification Limit)
Air -1030 -900
Water -20 20
Teflo n(Bone) 900 1100
11. If CT Number does not meet the standard as above, adjust the CT Number value.