CPI Indico 100 Series Service And Installation Manual page 228

Reproducibility, Linearity, & HVL Testing
5.0 H.V.L. EVALUATION (Cont)
ADDED ALUMINUM FILTER
0
0
0
0 (Average of above three readings)
2
1
3
By interpolating the thickness of Al at a relative transmission value of 0.5, it can be seen that the HVL is
approximately 3.3.
Page 12
DOSE (mR)
249
244
247
247
162
131
70
Table 12: HVL dose values (example)
Figure 3: HVL plot (example)
Rev. A X-Ray Generator Service Manual Supplement
RELATIVE TRANSMISSION
1.00
.66
.53
.28
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