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Advanced Electron Density Phantom

Gain confidence in the accuracy of your treatment plans and help improve patient safety.

Advanced Electron Density Phantom Overview


Includes 32 ion chamber cavities and 20 density insert cavities. Each phantom comes with a full set of water equivalent inserts for filling these cavities.

Water Equivalent

Made from a proprietary, heterogeneous material which has been shown to be water equivalent to within 0.5%.


By simply rotating the phantom on its base, point measurements can be taken with 0.5 cm resolution along any transverse plane through the center of the phantom.


  • Diameter
    30 cm
  • Thickness
    18 cm


  • Physical Density
    1.047 g/cc ± 0.1 g/cc
  • Electron Density
    0.562 ± 0.003 e/g/cc


  • Number ion chamber cavities
  • Number density insert cavities
  • Location
    Density insert cavities located at 6.5 cm and 11 cm radius


  • Water equivalent
  • Film plane with reference markers on the top half
  • Configure with or without heterogeneities
  • 20 cavities for density plugs located at 6.5 cm and 11.0 cm
  • radius
  • Alignment scribe lines every 10 degrees
  • Physical density of 1.047 g/cc ± 0.1 g/c


Tech Notes

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