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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