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Harwell Dosimeters Limited
Dosimeters for the Radiation Processing Industry

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red-01This is a widely used material covering the range 5 – 50kGy. It is recommended that the radiation-induced darkening is measured at 640 nanometres (nm) wavelength where post-irradiation changes are minimised.
amber-3This is a more sensitive Perspex dosimeter material covering 1-30kGy dose range.  The recommended read-out wavelengths are 603 and 651nm.
2005-233Gammachrome YR™ are made from radiation-sensitive poly-methylmethacrylate (pmma) in the form of optically transparent pieces individually sealed in laminate sachets. They measure low doses from 100Gy to 3kGy They darken when irradiated, and the radiation-induced darkening, accurately measurable by means of a spectrophotometer, is a function of the radiation dose absorbed.
2005-233Uniquely labelled and barcoded blister packed alanine pellets which exploit the dose-dependence of the paramagnetic resonance of alanine to provide enhanced precision and accuracy over a wider dose range.
alanine-1The newest edition to our alanine product portfolio. Alanine pellets presented in a barcoded strip package. The pellets remain in their packaging for assessment and demonstrate continual traceability and identification.
2005-234Unpackaged white cylindrical pellets of alanine in a wax binder. The standard dose range of this product is 100Gy to 70kGy (10Gy to 100kGy may be achieved).

Why Choose Us?

  • We have been supporting the Radiation Processing industry for over 50 years.
  • We have a team of experienced and dedicated staff.
  • We are continually working to develop innovative solutions to your dosimetry needs.
  • Our products are rugged, reliable, precise and quality assured.