Small Volume Ion Chambers
For water phantom scanning and point measurements.
Model 1SL Miniature Thimble Chamber
- Collecting Volume: 0.056cm³
- Nominal Calibration Factor: 60 R/nC
- Centroid of Collecting Volume: 4.1mm from tip chamber
- Collector diameter: 1mm
- Outside diameter sensitive region: 6.25mm
- Wall thickness: 1.1mm
- Stem (integral w/chamber): Aluminum, 0.246" OD by 4" long. Other lengths available
Model 12S Thimble Chamber
- Collecting Volume: 0.25cm³
- Nominal Calibration Factor: 14.0 R/nC
- Centroid of collecting volume: 5.8mm from tip of chamber
- Collector diameter: 1mm
- Separable minimum scatter stem: 1.3cm OD black Phenolic. Two-piece design (10.1 / 12.7cm)
- Outside diameter sensitive region : 7.1mm
- Wall thickness: 0.5mm
- Wall, collector and guard material: Shonka air-equivalent plastic
