Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope and object <br>2 Normative references <br>3 Terms, definitions and units<br>&nbsp;&nbsp;3.1 General definitions <br>&nbsp;&nbsp;3.2 Specific definitions <br>&nbsp;&nbsp;3.3 Units and conversion factors <br>4 Instruments used for measuring radon and radon decay <br>&nbsp;&nbsp;product <br>&nbsp;&nbsp;4.1 General <br>&nbsp;&nbsp;4.2 Criteria for the classification of radon and RnDP <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measuring instruments <br>&nbsp;&nbsp;4.3 Methods of measuring radon in an atmosphere <br>&nbsp;&nbsp;4.4 Methods of measuring radon decay product in an <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;atmosphere<br>&nbsp;&nbsp;4.5 Influence quantities <br>&nbsp;&nbsp;4.6 Range of test parameters <br>5 Need for a reference atmosphere <br>&nbsp;&nbsp;5.1 Usual test methods limitations <br>&nbsp;&nbsp;5.2 Mixtures of radon isotopes <br>6 The concept of STAR <br>7 Protocols for testing radon and RnDP measuring instruments<br>&nbsp;&nbsp;7.1 Specific requirements for testing [222]Rn measuring <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;instruments <br>&nbsp;&nbsp;7.2 Specific requirements for testing [220]Rn measuring <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;instruments <br>&nbsp;&nbsp;7.3 Specific requirements for testing RnDP[222] measuring <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;instruments <br>&nbsp;&nbsp;7.4 Specific requirements for testing RnDP[220] measuring <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;instruments <br>Annex A (informative) Structure of the IEC 61577 series <br>Bibliography

Abstract

Involves the general features concerning test and calibration of radon and radon decay product measuring instruments. It addresses only the instruments and associated methods for measuring isotopes 220 and 222 of radon and their subsequent short-lived decay products in gases.

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Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 45