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GB/T 13163.2-2021 English PDF

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GB/T 13163.2-2021: Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments
Status: Valid

GB/T 13163.2: Evolution and historical versions

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GB/T 13163.2-2021English414 Add to Cart 4 days [Need to translate] Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments Valid GB/T 13163.2-2021
GB/T 13163.2-2005English599 Add to Cart 3 days [Need to translate] Radiation protection instrumentation -- Radon and radon decay product measuring instruments -- Part 2: Specific requirements for radon measuring instruments Obsolete GB/T 13163.2-2005

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Basic data

Standard ID GB/T 13163.2-2021 (GB/T13163.2-2021)
Description (Translated English) Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F84
Word Count Estimation 22,239
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 13163.2-2021: Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Radiation protection instrumentation-Radon and radon decay product measuring instruments-Part 2.Specific requirements for 222Rn and 220Rn measuring instruments ICS 13.280 CCSF84 National Standards of People's Republic of China Replace GB/T 13163.2-2005 Radon and Radon Progeny Measuring Instrument Part 2.222Rn and 220Rn measuring instruments special requirements (IEC 61577-2.2014, IDT) Released on 2021-05-21 and implemented on 2021-12-01 State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Overall design considerations 3 4.1 Measurement design considerations 3 4.2 Operation and maintenance design considerations 4 5 Technical components 5 5.1 Sampling device 5 5.2 Radiation detection device 5 5.3 Data Processing and Recording 5 5.4 Display of measurement 6 5.5 Power supply 6 6 Test conditions 6 6.1 Overview 6 6.2 Standard test conditions 6 6.3 Conduct of the test 6 6.4 Reference Radon 7 7 Requirements and tests for radiation detection performance 7 7.1 Reference response to test source 7 7.2 Cross-interference of other radon isotopes 7 7.3 Linearity of the indicated value 7 7.4 The statistical fluctuation of the instrument 8 7.5 Response time 9 7.6 Signal accumulation 9 8 Air circuit performance requirements and tests 9 8.1 Overview 9 8.2 Flow stability 9 8.3 Accuracy of flow measurement 10 8.4 Influence of filter pressure drop 10 8.5 Indication value of low sampling flow rate 10 9 Environmental performance requirements and tests 10 9.1 Environmental gamma radiation response 10 9.2 Ambient temperature 11 9.3 Relative humidity and condensate 11 9.4 Atmospheric pressure 11 10 Electrical performance requirements and tests 11 10.1 Power changes 11 10.2 Battery test 12 11 Mechanical performance requirements and tests 12 11.1 Requirements 12 11.2 Test method 12 12 Operation and Maintenance Manual 12 13 Type test report and certificate 13 Reference 15 Table 1 Reference conditions and standard test conditions (unless otherwise specified by the manufacturer) 13 Table 2 Test of radiation detection performance 14 Table 3 Air circuit test 14 Table 4 Tests that vary with the amount of influence 14

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is the second part of GB/T 13163 "Radiation protection instrument radon and radon daughter measuring instrument". GB/T 13163 has been released The following parts. ---Part 1.General principles; ---Part 2.Special requirements for 222Rn and 220Rn measuring instruments; ---Part 3.Special requirements for radon daughter measuring instruments; ---Part 4.Reference atmosphere production equipment containing radon isotopes and their daughters (radon environmental test system). This document replaces GB/T 13163.2-2005 Radon and Radon Progeny Measuring Instruments for Radiation Protection Part 2.Special Requirements for Radon Measuring Instruments Compared with GB/T 13163.2-2005, in addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Added the terms and definitions of rated range, error, relative error, inherent error, response (of radiation measuring device), and cross-interference (See 3.2, 3.3, 3.4, 3.5, 3.6, 3.8); --- Deleted the terms and definitions of relative inherent errors (see 3.2 in the.2005 edition); ---Change "general characteristics" to "overall design considerations", and change the corresponding technical content (see Chapter 4, Chapter 4 of the.2005 edition); ---Added measurement design considerations and operation and maintenance design considerations (see 4.1, 4.2); --- Deleted the measurement range and the lowest detectable volume activity (see 4.1 and 4.2 in the.2005 edition); ---Changed the expression and technical content of "reference source", changed "reference source" to "reference radon" and adjusted it to 6.4 (see 6.4,.2005 Version 4.3); ---Deleted test sources and test items (see Chapter 7 and Chapter 8 of the.2005 edition); ---Added the cross-interference of other radon isotopes, the linearity of the indicated value, the statistical fluctuation of the instrument, the response time, the signal accumulation (see 7.2, 7, 3, 7.4, 7.5, 7.6); ---Added requirements and tests for air circuit performance (see Chapter 8); --- Deleted statistical fluctuations, warm-up time, response time (see 11.1, 11.4, 11.5 in the.2005 edition). This document is equivalent to IEC 61577-2.2014 ``Radiation Protection Instruments Radon and Radon Progeny Measuring Instruments Part 2.222Rn and 220Rn Special requirements for measuring instruments. This document has made the following minimal editorial changes. ---Deleted 3.1~3.7, 3.9 and 3.10 term source IEC 60050-394.2007 (withdrawn internationally). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed and managed by the National Standardization Technical Committee for Nuclear Instruments (SAC/TC30). Drafting organizations of this document. CGN Jiuyuan (Chengdu) Technology Co., Ltd., Beijing Radiological Application Research Center, Beijing Zhonghe Horizon Technology Co., Ltd., Nuclear Industry Standardization Institute. The main drafters of this document. Xiao Ming, Song Jianfeng, Yang Binhua, Liu Tao, Xu Hongkun, Huang Zihan, Wu Longxiong, Li Yunwen. The previous versions of this document and the documents replaced are as follows. ---This document was first published as GB/T 13163.2-2005 in.2005; ---This is the first revision.

Introduction

Radon is a kind of radioactive trace gas, which is composed of natural radionuclides 238U, 235U and 232Th in the earth's crust. And 224Ra decay. The isotopes of radon (222Rn, 219Rn, and 220Rn) decay through three decay chains, and finally terminate in the stable homology of lead. Bit. The isotope of radon 220Rn is usually called thoron gas. In this document, the term thoron gas is not used, and radon is used to represent the nuclide 220Rn And 222Rn, indicate the specific nuclide by marking the chemical symbol and mass. Under normal circumstances, due to the very short half-life of 219Rn, its activity is comparable to that of the radon daughters compared with the activities of the other two radon decay chains. The activity of (RnDP) can be completely ignored. Therefore, the measurement of 219Rn and its radon progeny is not considered in this document. Note. RnDP is the abbreviation for radon decay products, sometimes expressed as radon daughters. The radon decay product or its abbreviation RnDP refers to the radon decay that this document focuses on. All short-lived daughters. For a specific daughter isotope, add a mass number to the upper left corner of its chemical symbol to indicate it. Symbol RnDP plus lower right corner The reference numerals (222, 220) refer to all daughters of the corresponding radon isotope. RnDP222 refers to 218Po, 214Pb, 214Bi, 214Po of 222Rn, and RnDP220 refers to 220Rn The daughter body 216Po, 212Pb, 212Bi, 212Po, 208Tl. GB/T 13163 consists of four parts. ---Part 1.General principles. The purpose is to specify the terms and units used for radon and radon progeny (RnDP) measurement, as well as for radon and radon progeny (RnDP) measurements. Radon Environmental Test System (STAR) for testing and calibration of RnDP measuring equipment. ---Part 2.Special requirements for 222Rn and 220Rn measuring instruments. The purpose is to test 222Rn and 220Rn measuring instruments. ---Part 3.Special requirements for radon daughter measuring instruments. The purpose is to test RnDP222 and RnDP220 measuring instruments. ---Part 4.Reference atmosphere production equipment containing radon isotopes and their daughters (radon environmental test system). Purpose is for STAR Structure and test application. Radon and Radon Progeny Measuring Instrument Part 2.222Rn and 220Rn measuring instruments special requirements

1 Scope

This document specifies special instruments for measuring airborne 222Rn and 220Rn activity concentrations in outdoor, residential and workplace (including underground mines). Claim. This document applies to almost all types of electronic instruments based on single-point measurement or continuous measurement. 222Rn is made by pumping or diffusion And/or 220Rn air enters the sensitive volume of the detection unit or the activity concentration can be measured by air sampling (instantaneous sampling) at a specific time. Various types of instruments for measurement are specified in IEC 61577-1. This document does not apply to instruments using activated carbon adsorption, electret or solid nuclear track detectors.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. ISO 11665-1 Radioactivity measurement in the environment Air. 222Rn Part 1.Sources and related measurements of radon and its short-lived progeny Method (Measurementofradioactivityintheenvironment-Air.radon-222-Part 1.Originsofradonand itsshort-liveddecayproductsandassociatedmeasurementmethods) ISO /IEC Guide 98-3.2008 Measurement Uncertainty Part 3.Guidelines for Expression of Measurement Uncertainty (GUM.1995) [Uncertaintyofmeasurement-Part 3.Guidetotheexpressionofuncertaintyinmeasurement(GUM. 1995)] IEC 60068-2-27 Environmental Testing Part 2-27.Test Method Test Ea and Guideline. Impact (Environmentaltes- ting-Part 2-27.Test-TestEaandguidance.Shock) Note. GB/T 2423.5-2019 Environmental Test Part 2.Test Method Test Ea and Guideline. Impact (IEC 60068-2-27.2008, IDT) IEC 61000-6-4 Electromagnetic Compatibility (EMC) Part 6-4.General Standards for Emission Standards in Industrial Environments (Electromag- neticcompatibility(EMC)-Part 6-4.Genericstandards-Emissionstandardforindustrialenviron- ments] Note. GB 17799.4-2012 EMC general standard emission in industrial environment (IEC 61000-6-4.2011, IDT) IEC 61140 Electric shock protection devices and common parts of equipment (Protection against electricshock-Commonas- pectsforinstalationandequipment) Note. GB/T 17045-2020 Electric shock protection devices and general parts of equipment (IEC 61140.2016, IDT) IEC 61187 Electrical and electronic measuring equipment documents (Electricalandelectronicmeasuringequipment-Docu- mentation) Note. GB/T 16511-1996 electrical and electronic measuring equipment accompanying documents (IEC 61187.1993, IDT) IEC 61577-1 Radon and Radon Progeny Measuring Instruments for Radiation Protection Part 1.General Principles (Radiationprotectionin- strumentation-Radonandradondecayproductmeasuringinstruments-Part 1.Generalprinciples) Note. GB/T 13163.1-2009 Radon Protection Instruments Radon and Radon Progeny Measuring Instruments Part 1.General Principles (IEC 61577-1.2006, IDT)

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