Exradin A1SLMR

The A1SL, available in air or tissue equivalent plastic, provides a perfect balance between fast scanning and point-dose measurements within 1cm in water, air or phantom materials. This chamber is characterized for TG-51 and TRS-398 procedures.

  • 6x7mm field size

Exradin A19 MR

The A19 fits existing plastic phantom cavities and build-up caps, limiting perturbation and minimizing settling time in absolute dosimetry calibration. This chamber is characterized for TG-51 procedures.

Exradin A12MR

Characterised in TG-51 and TRS-398, the A12 has fast settling time and a removable stem for superior absolute dosimetry calibrations in water, air or phantoms.

Exradin A12SMR

The A12S is designed for absolute dosimetry calibrations in water, air or phantoms. The collector of the A12S is approximately one-third the size of the A12, confining collecting volume to the tip of the chamber.

Exradin A28MR

The Model A28 Chamber features exceptional omni-directional spatial resolution for relative dosimetry scanning in water phantoms and use in minute field measurements.

Exradin A26MR

Experience the same measurement quality in a microchamber your have come to expect from your reference-class chamber.

  • Rapid settling

  • Stable, reproducible measurements

  • Realistic and meaningful ion recombination corrections

  • Minimal polarity dependence

  • Minimal energy dependence

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MR Compatible

Ion Chambers







Industry leading MR-compatible ion chambers for combined magnetic and ionizing radiation fields.


The Exradin Advantage


  • Waterproof construction backed by a five-year warranty.

  • Rugged Shonka plastic provides years of reliable use and excellent conductivity.

  • Lack of stem-effect and low leakage provides precise, consistent measurements.

  • Proven guard design stabilizes measurements and reduces settling time.

  • Homogeneous material throughout the chamber minimises perturbation of the beam.



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