ISO INTERNATIONAL STANDARD 4037-3 Second edition 2019-01 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 3: Calibration of area and personal dosemeters and the measurement of their response as a function of energy and angle of incidence Radioprotection-RayonnementsXetgamma deréference pour I'etalonnage des dosimetres et des debitmetres et pour la determination de leurreponse en fonction de I'energie des photons- Partie3:Etalonnagedes dosimetres de zone et individuels et mesurage de leur réponse en fonction de I'énergie et de I'angle d'incidence Reference number IS0 4037-3:2019(E) @ ISO 2019 IS04037-3:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below orIso's memberbody in the countryof therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+4122749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019- All rights reserved IS0 4037-3:2019(E) Contents Page Foreword ..V Introduction.. ...vi 1 Scope. 2 Normative references 3 Terms and definitions ..2 4 Procedures applicabletoall areaandpersonal dosemeters 2 4.1 General principles .2 4.1.1 Radiation qualities. .2 4.1.2 Recommended conversion coefficients .3 4.1.3 Point oftest and referencepoint. ..4 4.1.4 Axes of rotation. 4 4.1.5 Condition of the dosemeter to be calibrated .5 4.1.6 Effectsassociatedwithelectronranges. .5 4.2 Methods for the determination of the calibrationfactor and of the response .6 4.2.1 Operation of the standard instrument. 6 4.2.2 Measurements withoutamonitorforthesource output .7 5 Particularproceduresforareadosemeters. .7 5.1 General principles. .1 5.2 Quantities to be measured .7 6 Conversion coefficients for area dosimetry .7 Conversion coefficients from airkerma, Ka,to H'(0,07) .1 6.1 6.1.1 Mono-energetic radiation. .7 6.1.2 Lowairkermarateseries. 6.1.3 Narrow series .8 6.1.4 Wide series. 6.1.5 High air kerma rate series .8 6.1.6 Radionuclides ..8 6.2 Conversioncoefficientsfromairkerma,Ka,toH'(3) .15 6.2.1 Mono-energetic radiation .15 6.2.2 Low air kerma rate series. .15 6.2.3 Narrow series .15 6.2.4 Wide series. 15 6.2.5 Highairkermarate series. .15 6.2.6 Radionuclides .15 6.2.7 High energy photon radiations. 15 6.3 Conversioncoefficientfromairkerma,Ka,toH*(1o) 23 6.3.1 Mono-energetic radiation 23 6.3.2 Lowairkermarateseries. .23 6.3.3 Narrowseries 23 6.3.4 Wide series .23 6.3.5 High air kerma rate series. 23 6.3.6 Radionuclides .23 6.3.7 High energy photon radiations. .23 7 Particularproceduresforpersonaldosemeters .27 7.1 General principles .27 7.2 Quantities to be measured .27 7.3 Experimental conditions .27 7.3.1 Useofphantoms .27 7.3.2 Geometricalconsiderationsindivergentbeams ..28 7.3.3 Simultaneous irradiation of several dosemeters .28 7.3.4 Influence of the orientation on the values of Hp(0,07) .29 7.3.5 Length of the rod phantom 30 @ IS0 2019 -All rights reserved iii