IEC 62467-1:2009 pdfダウンロード。MEDICAL ELECTRICAL EQUIPMENT – DOSIMETRIC INSTRUMENTS AS USED IN BRACHYTHERAPY – Part 1: Instruments based on well-type ionization chambers 1 Scope and object This part of IEC 62467 specifies the performance and some related constructional requirements of WELL – TYPE IONIZATION CHAMBERS and associated measurement apparatus, as defined in Clause 3, intended for the determination of a quantity, such as AIR KERMA STRENGTH or REFERENCE AIR KERMA RATE in photon radiation fields or ABSORBED DOSE TO WATER at a depth, in photon and beta radiation fields used in BRACHYTHERAPY , after appropriate calibration for a given type of...