MR Compatible Detectors

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

Same Great Performance, now for MR


Perform reference dose, profiles, and percent-depth dose beam characterization, as needed for standard linacs and MR-linac systems.


Built to Excel


Unique non-ferrous and homogeneous construction allow for measurements in combined MR/ionizing radiation fields while minimizing imaging artifacts.


Variety of Chambers Available


MR-compatible Exradin ionization chambers include the A12MR, A19MR, A1SLMR, and A28MR. Also included is the A26MR chamber, the only microchamber designed to meet reference class designation.

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.

REF:

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Exradin A12SMR Ion Chamber, MR Compatible

92905

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

REF:

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Exradin A1SLMR Ion Chamber, MR Compatible

92900

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

REF:

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Exradin A28MR Ion Chamber, MR Compatible

92902

Experience the same measurement quality in the only micro chamber that was designed to meet reference class criteria.


  • Rapid settling

  • Stable, reproducible measurements

  • Realistic and meaningful ion recombination corrections

  • Minimal polarity dependence

  • Minimal energy dependence

REF:

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Exradin A26MR Ion Chamber, MR Compatible

92901

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.

REF:

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Exradin A19MR Ion Chamber, MR Compatible

92903

Characterized 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.

REF:

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Exradin A12MR Ion Chamber, MR Compatible

92904

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