CEFLA NewTom 5G - Page 71

9 IEC61223: Acceptance Test
CTDI
FREE AIR
CTDIvol
CTDI
100
w:
[18x16]
[15x12]
[12x8]
[8x8]
N.A.
Equal to CTDI
100
w
11.7 mGy 30%
12.2 mGy 30%
8.2 mGy 30%
7.0 mGy 30%
5.5 Noise, mean CT number
and uniformity
Loading factors: automatically selected by the software.
Values are calculated as Arbitrary Unit (a.u.) because of the machine is not designed to
give HU.
Measured with Catphan 500.
Standard deviation
Standard Dose, Eco Scan
[18x16] (standard voxel)
[18x16] (ultra small voxel)
[8x8] (standard voxel)
[8x8] (ultra small voxel)
[15x5] HiRes (standard voxel)
[15x5] HiRes (ultra small voxel)
[12x8] HiRes (standard voxel)
[12x8] HiRes (ultra small voxel)
[6x6] HiRes (standard voxel)
[6x6] HiRes (ultra small voxel)
< 65
< 110
< 35
< 80
< 80
< 190
< 80
< 190
< 100
< 250
Standard Dose, Regular Scan
[18x16] (standard voxel)
[18x16] (ultra small voxel)
[8x8] (standard voxel)
[8x8] (ultra small voxel)
[15x5] HiRes (standard voxel)
[15x5] HiRes (ultra small voxel)
[12x8] HiRes (standard voxel)
[12x8] HiRes (ultra small voxel)
[6x6] HiRes (standard voxel)
[6x6] HiRes (ultra small voxel)
< 45
< 75
< 30
< 65
< 70
< 160
< 70
< 160
< 85
< 220
Boosted Dose, Regular Scan
[18x16] (standard voxel)
[18x16] (ultra small voxel)
[8x8] (standard voxel)
[8x8] (ultra small voxel)
< 30
< 45
< 25
< 50
9-4 NewTom 5G – User Manual