Standard Calibration Ion Chambers
For routine measurements and reference dosimetry protocols.
Model 10 Markus® - Type Chamber
- Electron chamber with planar geometry
- Fully guarded design similar to Markus®
- Collecting volume: 0.051cm³
- Nominal calibration factor: 60 R/nC
- Centroid of collecting volume: 1.0mm from inside window surface
- Collector diameter: 5.4mm
- Window-collector Gap: 2.0mm
- Window: Conductive Kapton film: 3.86mg/cm²
- Material: Shonka air-equivalent plastic C552
- Waterproofing cover for TG51 included
- Stem (integral with chamber): Black delrin, 0.350" OD x 3" long
Model 12 Farmer® - Type Chamber
- Farmer Chamber geometry
- Axially symmetric design
- Collecting Volume: 0.65cm³
- Nominal Calibration Factor: 5.0 R/nC
- Centroid of Collecting Volume: 12.9mm from tip of chamber
- Separable minimum scatter stem: ½ OD Black phenolic. Two-piece design (4" / 5")
- Collector Diameter: 1.0mm
- Outside Diameter Sensitive Region: 7.1mm
- Wall Thickness: 0.5mm
- Wall, Collector and Guard Material: Shonka air-equivalent plastic C552
- Waterproof construction
