T9074-AS-GIB-010/271 Rev 1
2 PERCENT SENSITIVITY LEVEL (2-2T)
COBALT 60
SELENIUM 75
IRIDIUM 192
0.1
0.2
.3 .4 .5 .6 .7.8 1
20
2 3 4 5 6 7 8 10
30 MeV
20 MeV
Maximum Recommended Voltage
3 MeV 4 MeV 5 MeV 6 MeV 8 MeV 10 MeV
Acceptable Region
2 MeV
300 kV 400 kV 500 kV 600 kV 800 kV 1 MeV
Minimum Recommended Voltage
200 kV
100 kV
0.1
0.2
.3 .4 .5 .6 .7.8 1
20
2 3 4 5 6 7 8 10
THICKNESS OF MATERIAL THROUGH WHICH RADIATION MUST PASS (INCHES)
Figure 3-2. Recommended X-ray Voltage Settings and Radioisotope Sources to Be Used with Various Copper-Base and Similar Alloys.
3-18
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