Thimble Ion Chambers

Strict manufacturing tolerances and waterproof construction makes these detectors ideal for dosimetry calibrations in water, air and other phantom materials.

The Exradin Advantage

Waterproof construction backed by 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 minimizes perturbation of the beam.

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.

Also available in MR compatible version.

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Exradin A19 Ion Chamber

92734

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.

Also available in MR compatible version.

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Exradin A12 Ion Chamber

92700

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

Also available in MR compatible version.

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Exradin A28 Ion Chamber

92749

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.

Also available in MR compatible version.

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Exradin A12S Ion Chamber

92725

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.