CC04 Ionization Chamber
CC04 is the conventional ionization chamber for measurements of small fields and ranges with high dose gradients, e.g., stereotactic fields. CC04 is intended for absolute and relative dosimetry of photon, electron, and proton beams in radiotherapy.
Measurements can be performed in air, water phantoms, or solid phantoms. CC04 is a high spatial resolution, small volume chamber. It is waterproof, vented through a waterproof sleeve, and fully guarded.
Compatible with Machine/Modality/Application:
Small Field Dosimetry,
TG106
Used for Workflow
Commissioning and Annual QA RT,
Detectors RT
Features
Inner dimensions
- Active volume: 0.04 cm3
- Total active length: 3.6 mm
- Cylinder length: 1.6 mm
- Inner diameter of outer electrode: 4.0 mm
- Wall thickness: 0.4 mm (70 mg/cm2 )
- Diameter of inner electrode: 1.0 mm
- Length of inner electrode: 2.1 mm
Operational characteristics
- Polarizing voltage: ±300 V (max. ±500 V)
- Typical leakage current: 3 fA
- Recommended pre-irradiation: 5 Gy
- Typical sensitivity: 1 nC/Gy
- Guard potential: ±300 V (max. ±500 V)
- Temperature range: 15 °C – 35 °C
- Relative humidity range: 20 % – 80 %
Technical specifications
Cavity Model | Cavity Volume (cm³) | Cavity Length (mm) | Cavity Radius (mm) | Wall Material | Wall Thickness (g/cm²) | Central Electrode Material | Water-proof |
|---|---|---|---|---|---|---|---|
CC04 | 0.04 | 3.6 | 2 | C552 | 0.07 | C552 | Y |
CC08 | 0.08 | 4 | 3 | C552 | 0.07 | C552 | Y |
CC13 | 0.13 | 5.8 | 3 | C552 | 0.07 | C552 | Y |
CC25 | 0.25 | 10 | 3 | C552 | 0.07 | C552 | Y |
Technical data is subject to change without prior notice. Depicted product images and specifications may differ from the actual scope of delivery.
Find more resources here
Brochures
Scientific References
DETECTORS - For Relative and Absolute Dosimetry
Monte Carlo calculated beam quality correction factors for high energy photon and electron fields - Damian Czarnecki
