IBA Dosimetry
FC23-C Ionization Chamber
Art. N°
Hover to zoom · click to enlarge
Radiation Therapy
FC23-C is a shortened farmer-type ionization chamber for absolute dosimetry of photon, electron, and proton beams at therapy-level dose rates.
FC23-C measures absorbed dose to water, air kerma, and exposure in air, depending on radiation type and calibration. Designed for medical accelerators, it also works with X-ray beams (70–280 kV), gamma radiation (¹³⁷Cs, ⁶⁰Co), and proton beams (50–250 MeV).
- Brochure
- /fileadmin/user_upload/products/02_radiation_therapy/CC04/Detector_Brochure.pdf
- Inner dimensions
- Inner dimensions - Sensitive volume (nominal) 0.23 cm^3 - Total sensitive length: 9.0 mm - Total cylinder length: 6.0 mm - Inner diameter of outer electrode: 6.2 mm - Wall thickness of outer electrode: 0.4 mm (0.056 g/cm^2 ) - Diameter of inner electrode: 1.0 mm - Length of inner electrode 7.5 mm
- Used for Workflow
- Detectors RT, Monthly QA RT, Commissioning and Annual QA RT
- Operational characteristics
- Operational characteristics - Polarizing voltage: ±300 V (max. ±500 V) - Typical leakage current: 3 fA - Recommended pre-irradiation: 5 Gy - Typical sensitivity: 7.2 nC/Gy - Guard potential: ±300 V (max. ±500 V) - Temperature range: 15 °C – 35 °C - Relative humidity range: 20 % – 80 %
