IEC 62302:2007
Current
The latest, up-to-date edition.
Radiation protection instrumentation - Equipment for sampling and monitoring radioactive noble gases
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
19-09-2007
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FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Classification of noble gas monitoring equipment
4.1 General Design Considerations
4.2 Capability for operational testing
4.3 Adjustment and maintenance facilities
4.4 Acoustic noise level of the assembly
4.5 Electromagnetic interference
4.6 Mechanical shock
4.7 Measurement characteristics
5 Equipment components
5.1 General
5.2 Sampling assembly
5.3 Detection assembly
5.4 Control assembly
5.5 Indication facilities
5.6 Alarm assembly
5.7 Check and 'keep alive' sources
5.8 Ambient background shielding or compensation devices
5.9 Batteries
6 Test conditions
6.1 General test procedures
6.2 Tests performed under standard test conditions for
normal operation condition
6.3 Tests performed with variation of influence quantities
6.4 Tests performed under test conditions for emergency
conditions
6.5 Types of sources
6.6 Metrological confirmation system during tests
7 Radiation detection performance tests
7.1 Reference response
7.2 Linearity
7.3 Response to radioactive gases other than radioactive
noble gases
7.4 Response time
7.5 Response to ambient gamma radiation
7.6 Response to neutron radiation
7.7 Overload test
7.8 Statistical fluctuations
7.9 Zero stability
7.10 Reproducibility of the response
8 Electrical, electronic and mechanical tests
8.1 Alarm trip range
8.2 Alarm trip stability
8.3 Equipment fault alarm system
8.4 Warm-up time - Detection and measurement assembly
8.5 Power supply variations
8.6 Battery test
8.7 Power supply transient effects
9 Air circuit performances test
9.1 General
9.2 Susceptibility to gaseous retention
9.3 Accuracy of the volume and flow rate measurement
9.4 Flow-rate stability
9.5 Effect of filter pressure drop
9.6 Effect of power supply voltage on the flow rate
9.7 Effect of power supply frequency on flow rate
10 Environmental performance tests
10.1 Ambient temperature
10.2 Temperature shock for portable and transportable
assemblies
10.3 Relative humidity
10.4 Atmospheric pressure
10.5 Sealing
10.6 Mechanical shocks
10.7 External electromagnetic immunity and electrostatic
discharge
10.8 Electromagnetic emission
11 Type test report and Certificate
12 Operation and maintenance manual
Annex A (informative) Preparation of radioactive gas reference
sources
Is applicable to equipment used for sampling and continuous measurement of radioactive noble gases in the workplace, in gaseous effluents discharged into the environment as well as in the environment itself. Monitoring by definition is the process of continuous and real-time measurement. The processes of sampling or taking samples for retrospective laboratory analysis are covered as well.
| DevelopmentNote |
Stability Date: 2015. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
86
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| DIN IEC 62302 : 2008 | Identical |
| VDE 0493-1-30 : 2008 | Identical |
| SAC GB/T 29789 : 2013 | Identical |
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| CSA N288.5 : 2011 : R2016 | EFFLUENT MONITORING PROGRAMS AT CLASS 1 NUCLEAR FACILITIES AND URANIUM MINES AND MILLS |
| BS IEC 62705:2014 | Nuclear power plants. Instrumentation and control important to safety. Radiation monitoring systems (RMS): Characteristics and lifecycle |
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| BS IEC 60768:2009 | Nuclear power plants. Instrumentation important to safety. Equipment for continuous in-line or on-line monitoring of radioactivity in process streams for normal and incident conditions |
| IEEE N323C-2009 | American National Standard Radiation Protection Instrumentation Test and Calibration - Air Monitoring Instruments |
| BS IEC 60951-1:2009 | Nuclear power plants. Instrumentation important to safety. Radiation monitoring for accident and post-accident conditions General requirements |
| BS IEC 61504:2017 | Nuclear facilities. Instrumentation and control systems important to safety. Centralized systems for continuous monitoring of radiation and/or levels of radioactivity |
| CSA N288.5 : 2011 | EFFLUENT MONITORING PROGRAMS AT CLASS 1 NUCLEAR FACILITIES AND URANIUM MINES AND MILLS |
| IEC 62705:2014 | Nuclear power plants - Instrumentation and control important to safety - Radiation monitoring systems (RMS): Characteristics and lifecycle |
| IEC 60768:2009 | Nuclear power plants - Instrumentation important to safety - Equipment for continuous in-line or on-line monitoring of radioactivity in process streams for normal and incident conditions |
| ANSI N42.54 : 2018 | INSTRUMENTATION AND SYSTEMS FOR MONITORING AIRBORNE RADIOACTIVITY |
| IEC 60951-1:2009 | Nuclear power plants - Instrumentation important to safety - Radiation monitoring for accident and post-accident conditions - Part 1: General requirements |
| IEC 61187:1993 | Electrical and electronic measuring equipment - Documentation |
| IEC 60761-3:2002 | Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 3: Specific requirements for radioactive noble gas monitors |
| IEC 60761-1:2002 | Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 1: General requirements |
| IEC 60050-393:2003 | International Electrotechnical Vocabulary (IEV) - Part 393: Nuclear instrumentation - Physical phenomena and basic concepts |
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