Reference number
ISO 4037-4:2019
© ISO 2024
International Standard
ISO 4037-4:2019
Radiological protection — X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy — Part 4: Calibration of area and personal dosemeters in low energy X reference radiation fields
Edition 2
2019-01
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Published (Edition 2, 2019)
This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

Abstract

This document gives guidelines on additional aspects of the characterization of low energy photon radiations and on the procedures for calibration and determination of the response of area and personal dose(rate)meters as a function of photon energy and angle of incidence. This document concentrates on the accurate determination of conversion coefficients from air kerma to Hp(10), H*(10), Hp(3) and H'(3) and for the spectra of low energy photon radiations. As an alternative to the use of conversion coefficients the direct calibration in terms of these quantities by means of appropriate reference instruments is described.

General information

  • Status
     : Published
    Publication date
     : 2019-01
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 18
  • Technical Committee :
    ISO/TC 85/SC 2
    ICS :
    17.240 
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