Fluke Biomedical 07-645 User Manual
Page 10
Nuclear Associates 07-645
Operators Manual
1-6
Table 1-3
Percent Contrast for Fluoro-Test Threshold Contrast Resolution Plates with3
mm Cu Attenuator.
kVp
Hole
Number
50 60 70 80 90 100 110 120 130
0.5 0.80
0.63
0.53
0.48
0.44 0.41 0.39 0.37 0.36
1 1.60
1.25
1.06
0.96
0.88 0.82 0.78 0.75 0.72
1.5 2.40
1.88
1.60
1.43
1.32 1.24 1.17 1.12 1.08
2 3.20
2.51
2.13
1.91
1.76 1.65 1.56 1.50 1.44
2.5 4.00
3.13
2.66
2.39
2.20 2.06 1.95 1.87 1.80
3 4.80
3.76
3.19
2.87
2.64 2.47 2.34 2.24 2.16
3.5 5.60
4.39
3.72
3.34
3.08 2.89 2.73 2.62 2.52
4 6.40
5.01
4.25
3.82
3.52 3.30 3.13 2.99 2.87
4.5 7.20
5.64
4.79
4.30
3.96 3.71 3.52 3.37 3.23
5 8.00
6.27
5.32
4.77
4.40 4.12 3.91 3.74 3.59
5.5 8.80
6.89
5.85
5.25
4.84 4.53 4.30 4.11 3.95
6 9.60
7.52
6.38
5.73
5.28 4.95 4.69 4.49 4.31
6.5 10.40
8.14
6.91
6.21
5.72 5.36 5.08 4.86 4.67
7 11.20
8.77
7.44
6.68
6.16 5.77 5.47 5.23 5.03
7.5 12.00
9.40
7.98
7.16
6.60 6.18 5.86 5.61 5.39
8 12.80
10.02
8.51
7.64
7.04 6.60 6.25 5.98 5.75
8.5 13.60
10.65
9.04
8.12
7.48 7.01 6.64 6.36 6.11
9 14.40
11.28
9.57
8.59
7.92 7.42 7.03 6.73 6.47