For measurements acc. IEC 61223-3-5 and 60601-2-44CT ion chamber, sensitive length 10 cm or 30 cmBody phantom, 32 cm Ø, and head phantom, 16 cm Ø,both acrylic cylinders of 15 cm heightCombined head and body phantom is availableThe CT chamber T30009 is inserted for CTDI measurements into one of the five holes of the head or body phantom. Holes not used are filled by acrylic dummy plugs. Etched crosshairs on the phantoms allow exact alignment.The CT chamber T30017 is used for dose length product (DLP) measurements free in air.