Fluke Biomedical 07-492 - Manual (Page 18)

Nuclear Associates 07-492
Operators Manual
5-2
Be sure the phase switch on the rear panel of the
kVp meter is in the appropriate position.
3. Make an exposure.
4. Adjust R106 (offset adjustment) until the kVp meter reads 26 kVp.
5. Set the x-ray machine to 30 kVp.
6. Make an exposure.
7. Adjust R105 (slope adjustment) until the kVp reads 30 kVp.
8. Repeat Steps 1 through 7 until the readings are accurate.
9. Set the x-ray machine to 40 kVp.
10. Make an exposure.
11. Adjust R104 (high end compensation adjustment) until the kVp reads 40 kVp.
12. Repeat Steps 5 through 11 until the readings are accurate.
13. Repeat Steps 1 through 11 until the readings are accurate.
After the Model 07-492 kVp Meter has been calibrated using the moly/moly filter combination, the
following correction table can be used when operating with different filter combinations.
Target/Filter Energy in kVp Correction Factor
Rh/Rh 25.0 0.903
30.0 0.993
35.0 1.057
39.9 1.097
44.9 1.126
48.9 1.144
Rh/AI 25.0 0.856
30.0 0.912
35.0 0.951
39.9 0.988
44.9 1.027
48.9 1.055
Mo/Rh
23.0 0.911
25.0 0.943
30.0 1.007
35.0 1.039
40.0 1.047
Mo/AI 24.0 0.888
27.1 0.890
30.0 0.902
35.0 0.926
40.0 0.955
45.0 0.981
49.0 1.004
NOTE