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Radiotherapy services

HDR and LDR brachytherapy

Calibration services for brachytherapy dosemeters

We offer calibration services for 192Ir High Dose Rate (HDR) Brachytherapy Dosemeters. Our 192Ir HDR brachytherapy calibration service is for ionisation chambers used as secondary standards or instruments required for measurement of the greatest accuracy. Calibration of either an ionisation chamber alone or of a complete system including an electrometer is available.

Service Features

  • Calibration directly against the NPL air kerma primary standard
  • Reference air kerma rate (RAKR) of the 192Ir source up to 50 mGy/h

Specification and availability

  • Calibration of well-type (re-entrant) chambers suitable for HDR sources
  • Calibration of thimble chambers with customer provided calibration jig
  • Electrometer calibration (charge or current calibration)
  • Calibrations are normally carried out in spring, and are undertaken using an HDR 192Ir Isodose Control Flexisource
  • Calibration conforms to IPEM Code of Practice (2010)

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Contact our Customer Services team on +44 20 8943 7070