An ideal alternative to traditional water phantoms for performing routine QA checks of a linear accelerator.


  • Tested at an independent calibration laboratory and certified within 0.5% of water at photon energies.

  • Not affected by humidity or temperature and free of contaminants and air.

  • Customised cavities are available in slabs at least 2 cm thick to accommodate most ion chambers or detectors.

Virtual Water Slabs


Virtual Water is available in 20 cm, 30 cm and 40 cm squares, in nine standard thicknesses (0.2 cm, 0.3 cm, 0.5 cm, 1.0 cm, 2.0 cm, 3.0 cm, 4.0 cm, 5.0 cm, 6.0 cm)

Thimble Slab


Virtual Water Phantom, 30 x 30 x 2 cm with drilled cavity for ion chamber

Parallel Plate Slab


Virtual Water Phantom, 30 x 30 x 2cm milled for parallel plate chamber

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Virtual Water


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