![](https://radcal.com/wp-content/uploads/2016/11/SedentexCT-DI1_300.jpg)
The SedentexCT DI dose index phantom comprises a stack of PMMA plates forming a cylinder representing the adult head. Several types of detector system are catered for:
- Ionisation chambers
- Thermoluminescent detectors (TLDs)
- Gafchromic film
The SedentexCT DI dose index phantom comprises a stack of PMMA plates forming a cylinder representing the adult head. Several types of detector system are catered for: