Fluke Biomedical 07-645 User Manual
Page 8
Nuclear Associates 07-645
Operators Manual
1-4
Table 1-1.
Percent contrast for Fluoro-Test Threshold Contrast Resolution Plates with 2
mm Cu Attenuator
kVp
Hole
Number
50 60 70 80 90 100 110 120 130
0.5 0.84
0.66
0.56
0.50
0.46 0.43 0.41 0.39 0.38
1 1.67
1.31
1.11
1.00
0.92 0.87 0.82 0.79 0.76
1.5
2.51
1.97
1.67
1.50
1.39
1.30
1.24
1.18
1.14
2
3.34
2.62
2.23
2.00
1.85
1.74
1.65
1.58
1.52
2.5
4.18
3.28
2.79
2.50
2.31
2.17
2.06
1.97
1.90
3
5.01
3.94
3.34
3.00
2.77
2.60
2.47
2.37
2.28
3.5
5.85
4.59
3.90
3.50
3.23
3.04
2.88
2.76
2.66
4
6.68
5.25
4.46
4.00
3.70
3.47
3.30
3.16
3.03
4.5
7.52
5.90
5.01
4.50
4.16
3.91
3.71
3.55
3.41
5
8.35
6.56
5.57
5.00
4.62
4.34
4.12
3.95
3.79
5.5
9.19
7.22
6.13
5.50
5.08
4.77
4.53
4.34
4.17
6
10.02
7.87
6.69
6.00
5.54
5.21
4.94
4.74
4.55
6.5
10.86
8.53
7.24
6.50
6.01
5.64
5.36
5.13
4.93
7
11.69
9.18
7.80
7.00
6.47
6.08
5.77
5.53
5.31
7.5
12.53
9.84
8.36
7.50
6.93
6.51
6.18
5.92
5.69
8
13.36
10.50
8.92
8.00
7.39
6.94
6.59
6.31
6.07
8.5 14.20
11.15
9.47
8.50
7.86 7.38 7.01 6.71 6.45
9 15.04
11.81
10.03
9.00
8.32 7.81 7.42 7.10 6.83