NF ISO 4037-4

June 2019

Standard Cancelled

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

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Main informations

Collections

National standards and national normative documents

Publication date

June 2019

Number of pages

28 p.

Reference

NF ISO 4037-4

ICS Codes

17.240 Radiation measurements

Print number

International kinship

ISO 4037-4:2019

Replaced standards (1)

NF ISO 4037-4

September 2005

Standard Cancelled

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

Standard replaced by (1)

NF EN ISO 4037-4

February 2021

Standard Current

Radiological protection - X and gamma reference radiation for calbrating 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

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.

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