CTDI CTWater® Phantom

Water-equivalent dosimetry phantom for CTDI measurements in CT


  • For CTDI measurements according to IEC / DIN EN  61223-3-5 and IEC 61223-2-6
  • Different adapter plugs for diverse pencil-shaped ion chambers are available


The CTDI CTWater Phantom uses the unique material CTWater, a proprietary resin, which has the same X-ray attenuation characteristics as liquid water in the range of 80 to 140 kV.
The modular phantom has a smaller inner cylinder, which fits into a larger outer cylinder. Both cylinders offer four through holes near the perimeter to accommodate a standard CT dose probe. Holes not in use can be plugged by using massive rods.

CTDI CTWater Phantom, QRM-40100

CT ionization chamber, 100 mm
NOMEX Dosemeter

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