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Machine QA

Exradin® A11 Ion Chamber, Roos-type Parallel Plate, 0.62 cc

Waterproof and may be operated while fully submerged without any protective sheath; ideal for repeated TG-51/TRS-398 dose distribution measurements in a water phantom.

Exradin® A11 Ion Chamber, Roos-type Parallel Plate, 0.62 cc part of complete solution for: Absolute Dosimetry

Collecting Volume

  • 0.62 cm3

Nominal Calibration Factor

  • 5.5 R/nC

Centroid of Collecting Volume

  • 2.0 mm from top of window

Collector Diameter

  • 20.0 mm

Window-Collector Gap

  • 2.0 mm

Window

  • 1.0 mm

Window Support Rings, Collector, and Guard Material

  • A11 - Shonka Air-Equiv. plastic C552
  • P11 - Polystyrene-Equiv. plastic D400
  • T11 - Shonka Tissue-Equiv. plastic A150

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