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. 2015 Mar 8;16(2):161–174. doi: 10.1120/jacmp.v16i2.5182

Table 3.

HVL values (mm AL) measured with two types of chambers for two machines

Energy (kV) Unit 1 (A11‐TW, vendor) Unit 1, Farmer (PTW‐N23333) Unit 1, PP (PTW‐N23342) Unit 2, PP (PTW‐N23342)
50 0.51 0.51 0.51 0.53
70 1.08 1.09 1.15 1.15
100 2.08 1.97 2.30 2.10