The Harwell Dosimeters offering from STERIS Applied Sterilization Technologies supports sterilization processing with both red perspex and alanine pellet dosimeters used to measure ionizing radiation.​ Founded in 1960, the dosimeter manufacturing facility is based in Didcot, Oxfordshire, United Kingdom.

Tape Tab

Alanine pellet placed into a film package with a unique barcode to provide full and constant traceability of the dosimeter. Identification and measurement are completed using an EPR spectrometer. The functional dose range is 0.1kGy to 100kGy.

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Alanine Loose Pellet Dosimeter

Loose pellet alanine dosimeters are typically used as reference dosimeters by R&D type organizations. Identification and measurement is completed using an EPR spectrometer. The functional dose range is 0.1kGy to 100kGy.

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Amber Perspex 3042

Perspex dosimeters made of radiation sensitive PMMA that use optical density to measure radiation dose absorbed. The functional dose range is 1-30kGy.

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Red Perspex 4043

Perspex dosimeters made of radiation sensitive PMMA that use optical density to measure radiation dose absorbed. The functional dose range is 5-50kGy.

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Dosimeter Comparison

A comparison of Alanine and Red Perspex dosimetry systems.

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