The Sun Nuclear (formerly Gammex) model 458 Calibration Check Phantom is an excellent test tool for checking energy output from radiotherapy machines.
The phantom contains six cavities with corresponding plugs. This allows for measurements at depth of maximum dose deposition. Gammex technology also provides a custom adaptor to exactly match the ion chamber you use.
Calibration Check Phantom features:
- contains 6 cavities placed at 1.2, 1.5, 2.0 2.5, 3.2 and 5.0 cm distances.
- custom adaptor is provided for the ion chamber that you use
- inscribed squares on the top surface guides you in the setting of your light field for quick energy readings
- compact design for easy shipping and storage
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