BS IEC 60951-1:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Nuclear power plants. Instrumentation important to safety. Radiation monitoring for accident and post-accident conditions General requirements
Hardcopy , PDF
12-01-2022
English
09-30-2009
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Design principles
4.1 Basic requirements related to functions
4.2 Measurement range
4.3 Energy response
4.4 Minimum detectable activity (or limit of detection)
4.5 Precision (or repeatability)
4.6 Accuracy (or relative error)
4.7 Measurement time
4.8 Response time
4.9 Overload performance
4.10 Ambient background shielding or compensation devices
4.11 Requirements related to accident conditions
4.12 Reliability
4.13 User interface
4.13.1 General
4.13.2 Display of measured value
4.13.3 Alarms
4.13.4 Status indication
4.13.5 Local indications
4.14 System testing, maintenance facilities and ease of
decontamination
4.14.1 System testing
4.14.2 Maintenance facilities
4.14.3 Ease of decontamination
4.15 Electromagnetic interference
4.16 Power supplies
4.17 Interfaces
4.18 Sampling assembly
4.19 Quality
4.20 Type test report and certificate
5 Functional testing
5.1 General
5.2 General test procedures
5.2.1 General
5.2.2 Tests performed under standard test conditions
5.2.3 Tests performed with variation of influence
quantities
5.2.4 Calculations and/or numerical simulations
5.2.5 Reference sources
5.2.6 Statistical fluctuations
5.3 Performance characteristics
5.3.1 Reference response
5.3.2 Sensitivity and relative response for solid
sources
5.3.3 Accuracy (relative error)
5.3.4 Response to other artificial radionuclides
5.3.5 Response to background radiation
5.3.6 Precision (or repeatability)
5.3.7 Stability of the indication
5.3.8 Response time
5.3.9 Overload test
5.4 Electrical performance tests
5.4.1 Alarm trip range
5.4.2 Alarm trip stability
5.4.3 Fault alarm
5.4.4 Status indication and fault alarm tests
5.4.5 Warm-up time - Detection and measuring
assembly
5.4.6 Influence of supply variations
5.4.7 Short circuit withstand tests
5.5 Environmental performance test
5.5.1 Stability of performance after storage
5.5.2 Mechanical tests
5.5.3 Stability of performance with variation of
temperature and humidity
5.5.4 Electromagnetic compatibility
Bibliography
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