Finger Ring Dosimeters

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  • Ring dosimeters are worn when the hand comes in close proximity to high energy beta emitters or gamma sources.

  • Finger rings are not for use with H-3, C-14, S-35 or P-33.

  • Finger rings are required when a researcher uses more than one mCi of a high energy beta emitter such as P-32.

  • Finger rings will measure as low as 10 mrem.

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