Rad CalcsRadiography CalculationsSensitivity & Ug Based on AS2177 - 2006Ir-192 Exposure Calculator (Fe)Curie (Ci)D42Gigabecquerel (GBq)D72.5Activity Units*Thickness (mm)Film*Density*Hours0AA4003Curie (Ci)10D72.5Minutes61 Ci = 37GBqSeconds29Mild SteelActivitySFD (mm)F Factor207001.00"FFactor" is used to account for variationsin Processing , Screen and Film Combinations610.170.8180.6390.5Ir-192 Activity100.4110.32Initial ActivityDays of DecayNew Activity49.0722290847120.2550249.1130.2140.16150.125Wire IQI Sensitivity160.1Wire Visible*Material ThicknessSensitivity %16101.00Note: Single Wall Thickness is to be used for all Sensitivity CalculationsGeometric Unsharpness CalculatorMethod*Source Size (mm)Thickness (mm)Minimum SFD (mm)XR 1 & 20.4XR 3 , GR 1 & 21.550237.5XR 3 , GR 1 & 2237.5Max UgFilm OffsetNote: S and DWS, calculated on Single Wall Thickness.0.40DWD, Calculated on Outside Diameter.* = Click For Drop Down MenuCreated By: Paul GrosserATTAR IS NOT RESPONSIBLE FOR IMPROPER USE OF THIS DATAFOR TRAINING USE ONLY

DataSourceCurie (Ci)37Dose @ 1m96200Base DoseFilm TypeD710200Film factor1Curie (Ci)2Activity (GBq)74010200Gigabecquerel (GBq)2.5Density Factors3Shielding10HVLExposure after shielding57793.16604325111.2513.60.1081010166FFMild SteelHours0.10810101661.00Shielding Thickness10Minutes6.4860609941Film TypeD7Hours0D4Minutes6D7SFD700Exposure At Distance117945.236822962Seconds29AA400W13.2W22.5W32W41.6W51.25W61W70.8W80.63W90.5W100.4W110.32W120.25W130.2W140.16W150.125W160.1W170.08W180.063W190.05XR10.2XR20.2XR30.4GR10.4GR20.4GR30.4