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Table 8 Uncertainty estimate for a case with information on primary and secondary circuit

From: The skin dose of pelvic radiographs since 1896

Beck (1904) [64] ε α Iprim Vprim texposure Wall FSD KfiA Total
A V s mm cm mGy uncert.
Parameter value 0.69 0.17 1.5 115 210 0.85 23 320  
Uncertainty assum. 0.14 0.07 0.30a 25b 21 0.15 3   63%
  1. aCurrent was specified as 1 to 2 A
  2. bVoltage specified as 110-120 V, but as loss over series resistance (rheostat) cannot be excluded we raised the uncertainty