RTI CT Ion Chamber 30cm
The CT Ion Chamber 30 cm is a cylindrical pencil-shaped ionization chamber specially developed for free-in-air measurements on wide-beam CT scanners. It is intended for CTDI measurement when the beam width is 4 cm or wider.
The Chamber can be connected via RTI Chamber Adapter to the Piranha or Cobia to measure CTDI.
It fulfils relevant parts of IEC 61223-2-6, and IEC 60601-2-44.
RTI CT Ion Chamber 30cm specifications
| Ranges with Piranha & Cobia Flex (Chamber Adapter required) | |
| Air kerma rate | 0.3 mGycm/s to 3 Gycm/s |
| Inaccuracy | ±5 % or ±0.03 mGycm/s |
| Connector type | LEMO triaxial |
| Cable | 2 m, low noise triaxial |
| Active volume | 16 cm³ |
| Active length | 300 mm |
| Diameter | 12 mm, 12.6 incl O-rings |
| Typical leakage | ±20 fA |
| Radiation quality | 70 - 150 kV |
| Sensitivity | 30 mGycm/nC |
|
Energy dependence
|
±1 % |
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