RTI CT Ion Chamber 10cm for CTDI measurements
The RTI CT Ion Chamber 10 cm is a rugged, cylindrical pencil-shaped vented ionization chamber for CTDI measurements. It is intended for measuring and monitoring the exposure output level of CT scanners in a phantom or free-in-air.
CT Dose Index (CTDI) can be measured in accordance with IEC 61223-2-6. The CT Ion Chamber can be connected via RTI Chamber Adapter to the Piranha or Cobia to measure CTDI.
Ranges with Piranha & Cobia Flex (Chamber Adapter required) |
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| 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 | 5.3 cm³ |
| Active length | 100 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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