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BS EN IEC 61098:2024 – TC

BS EN IEC 61098:2024 – TC

$280.87

Tracked Changes. Radiation protection instrumentation. Installed personnel surface contamination monitors

Published By Publication Date Number of Pages
BSI 2024 178
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PDF Pages PDF Title
104 undefined
107 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
108 English
CONTENTS
112 FOREWORD
114 1 Scope
2 Normative references
115 3 Terms, definitions, units and symbols
3.1 Terms and definitions
120 3.2 Units
121 3.3 Symbols (see Table 1)
Tables
Table 1 – Symbols and abbreviate terms
122 4 Classification of monitors
4.1 According to type of radiation to be measured
4.2 According to body surface being monitored
4.3 According to background compensation method
5 Design characteristics
5.1 Positioning of the person being monitored
5.2 Size of the person being monitored
123 5.3 Hand monitoring facilities
5.4 Foot monitoring facilities
5.5 Body monitoring facilities
5.6 Frisker
124 5.7 Visual display
5.7.1 For the user
5.7.2 For maintenance purposes
5.8 Audible indicators
5.9 Monitoring period
5.10 Ease of decontamination
125 5.11 Detectors used
5.12 Seismic consideration
6 Performance requirements and test procedures
6.1 General test procedure
6.1.1 Nature of tests
6.1.2 Tests performed under standard test conditions
6.1.3 Tests performed with variation of influence quantities
126 6.1.4 Type F influence test
6.1.5 Type S influence test
6.2 Functionality test
6.2.1 General
6.2.2 Pre-test
127 6.2.3 Post-test
6.3 Statistical fluctuations
6.4 Reference sources
128 6.5 Requirements for use of gas flow detectors
7 Radiation measurement characteristics
7.1 Variation of response with source position
7.1.1 General
7.1.2 For clothing or the body
130 Figures
Figure 1 – Vertical position of radiation source
131 Figure 2 – Response curve composition by source position
132 Figure 3 – Centre planes of the detection volume
133 7.1.3 For hand monitoring
134 7.1.4 For foot monitoring
Figure 4 – Detector for hand monitoring
136 7.1.5 Contamination measurement of cloth or body by friskers
Figure 5 – Detector for foot monitoring
138 Figure 6 – Frisker (clothes)/Overhead detector
139 7.2 Background
7.2.1 General
7.2.2 Subtraction of pre-determined background
7.2.3 Simultaneous subtraction of determined background
7.2.4 No background subtraction
140 7.2.5 Gamma monitoring systems
7.3 Detection limit (DL)
7.3.1 General
142 7.3.2 For clothing or body
7.3.3 The effective instrument efficiency at the specific operating point
143 7.3.4 For hand monitoring
7.3.5 For foot monitoring
144 7.3.6 For frisker monitoring
7.4 Variation of response with energy
7.4.1 General
7.4.2 Beta
146 7.4.3 Alpha
7.4.4 Gamma
147 7.5 Response to other ionising radiations
7.5.1 General
148 7.5.2 Gamma radiation
7.5.3 Alpha radiation (for beta and gamma contamination monitoring assemblies)
7.5.4 Beta or gamma radiation (for alpha contamination monitoring assemblies)
7.6 Linearity of indication
7.6.1 Requirements
149 7.6.2 Method of test
7.7 Alarm threshold
7.7.1 General
7.7.2 Requirements
7.7.3 Method of test
8 Overload protection
8.1 Requirements
8.2 Method of test
150 9 Availability
9.1 Warm-up time
9.2 Power failure
10 Environmental requirements
10.1 General
10.2 Ambient temperature
10.2.1 Requirements
10.2.2 Method of test
151 10.3 Relative humidity
10.3.1 Requirements
10.3.2 Method of test
10.4 Atmospheric pressure
11 Mechanical requirements
11.1 General
11.2 Vibration test
11.2.1 Requirements
152 11.2.2 Method of test
11.3 Mechanical shock
11.3.1 Requirements
11.3.2 Method of test
12 Power and electromagnetic compatibility
12.1 Voltage and frequency
153 12.2 Electromagnetic compatibility
12.2.1 General
12.2.2 Electrostatic discharge
12.2.3 Radio-frequency (RF) Immunity
154 12.2.4 Radiated emissions
12.2.5 AC line powered monitor requirements
Table 2 – Emission frequency range
155 12.2.6 Immunity from conducted RF
12.2.7 Surges and ring waves
156 12.2.8 Magnetic fields
13 Storage
14 Documentation
14.1 Certificate
157 14.2 Operation and maintenance manual
14.3 Operational instructions
14.4 Type test report
158 Table 3 – Reference and standard test conditions
Table 4 – Tests performed under standard test conditions
160 Table 5 – Tests performed with variation of influence quantities
161 Table 6 – Test and sources
162 Annex A (informative)Explanation of the derivation of detection limit formula
A.1 General
165 A.2 In a case of taking into account a change in the background value between the background measurement and the contamination measurement
167 A.3 In a case of achieving background compensation simultaneously
169 Annex B (informative)Phantoms for testing the body effect for gammacontamination body monitors
B.1 General
B.2 Phantoms building blocks
Figure B.1 – Size of slices
170 B.3 Range of phantoms
Figure B.2 – Assembled phantoms
Table B.1 – Sizes of the set of phantoms
171 Annex C (informative)Characterization of the error due to the backgroundattenuation by the body
C.1 General
C.2 Standard background case
C.2.2 Result interpretation
172 C.2.3 Acceptance criteria
C.2.4 Important note
C.3 Increased background case
C.3.1 General
173 C.3.2 Polar response characterization
C.3.3 Test procedure of body attenuation effect
C.3.4 Result interpretation and acceptance criteria
174 Annex D (informative)Characterization of the response to a carried gamma source
D.1 General
D.2 Test procedure
Figure D.1 – Source positions for the head
175 Figure D.2 – Source positions for the body
Figure D.3 – Source positions for the legs
176 Bibliography

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