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BS EN 50131-2-3:2022

BS EN 50131-2-3:2022

$189.07

Alarm systems. Intrusion and hold-up systems – Requirements for microwave detectors

Published By Publication Date Number of Pages
BSI 2022 50
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This document is for microwave detectors installed in buildings and provides for security grades 1 to 4 (see EN 50131 1), specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV (see EN 50130 5). This document does not include requirements for detectors intended for use outdoors. The purpose of the detector is to emit microwave signals and analyse the signals that are returned to detect an intruder and to provide the necessary range of signals or messages to be used by the rest of the intrusion alarm system. The grade-dependent requirements of this document apply and it is essential that a detector fulfils all the requirements of the specified grade. Functions additional to the mandatory functions specified in this document can be included in the detector, providing they do not influence the correct operation of the mandatory functions. Requirements for system interconnections are not included in this document.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 European foreword
7 Introduction
8 1 Scope
2 Normative references
9 3 Terms, definitions and abbreviations
3.1 Terms and definitions
10 3.2 Abbreviations
4 Functional requirements
4.1 Event processing
Table 1 — Events to be processed by grade
11 Table 2 — Generation of Signals or Messages
4.2 Detection
4.2.1 Detection performance
12 Table 3 — General walk test velocity and attitude requirements
4.2.2 Indication of detection
13 4.3 Operational requirements
4.3.1 Time interval between intrusion signals or messages
4.3.2 Switch on delay
4.3.3 Self-tests
4.3.3.1 General
4.3.3.2 Local Self-Test
4.3.3.3 Remote Self-Test
4.4 Immunity to incorrect operation
4.4.1 General
4.4.2 Immunity to microwave signal interference by fluorescent lights
14 4.5 Tamper security
4.5.1 General
Table 4 — Tamper security requirements
4.5.2 Resistance to and detection of unauthorised access to components and means of adjustment
4.5.3 Detection of removal from the mounting surface
4.5.4 Resistance to, or detection of, re-orientation
4.5.5 Immunity to magnetic field interference
15 4.5.6 Detection of masking
4.6 Electrical requirements
4.6.1 General
Table 5 — Electrical requirements
4.6.2 Detector current consumption
4.6.3 Slow input voltage change and voltage range limits
4.6.4 Input voltage ripple
4.6.5 Input voltage step change
16 4.7 Environmental classification and conditions
4.7.1 Environmental classification
4.7.2 Immunity to environmental conditions
5 Marking, identification and documentation
5.1 Marking and/or identification
5.2 Documentation
17 6 Testing
6.1 General
6.2 General test conditions
6.2.1 Standard conditions for testing
6.2.2 General detection testing environment and procedures
6.2.3 Testing environment
6.2.4 Mounting height
6.2.5 Standard walk test target
18 6.2.6 Testing procedures
6.3 Basic detection test
6.3.1 General
6.3.2 Basic detection targets (BDT)
6.3.3 Basic Detection Test procedure
6.4 Walk testing
6.4.1 General walk test method
19 6.4.2 Verification of detection performance
6.4.3 Detection across and within the detection boundary
6.4.3.1 General
6.4.3.2 Verify detection across the boundary for detectors with coverage angles less than or equal to 180
20 6.4.3.3 Verify detection across the boundary for detectors with a coverage angle of greater than 180
6.4.3.4 Verify detection within the boundary for detectors with coverage angles less than or equal to 180
6.4.3.5 Verify detection within the boundary for detectors with coverage angle of greater than 180
21 6.4.4 Verify the high-velocity detection performance for detectors with a coverage angle less than or equal to 180
6.4.5 Verify the high-velocity detection performance for detectors with a coverage angle of greater than 180
22 6.4.6 Verify the intermittent movement detection performance for detectors with a coverage angle less than or equal to 180
6.4.7 Verify the intermittent movement detection performance for detectors with a coverage angle of greater than 180
6.4.8 Verify the close-in detection performance for detectors with a coverage angle less than or equal to 180
6.4.9 Detection of radial movement for detectors with a coverage angle of greater than 180
23 6.5 Switch-on delay, time interval between signals and indication of detection
6.6 Self-tests
6.6.1 General
6.6.2 Application of the fault condition
24 6.6.3 Local self-test procedure
6.6.4 Remote self-test procedure
6.7 Immunity to incorrect operation – Immunity to microwave signal interference by fluorescent lights
25 6.8 Tamper security
6.8.1 Resistance to and detection of unauthorised access to the inside of the detector through covers and existing holes
6.8.2 Detection of removal from the mounting surface
6.8.3 Resistance to re-orientation of adjustable mountings
6.8.4 Immunity to magnetic field interference
26 6.8.5 Detection of detector masking
Table 6 — Material for masking tests
6.8.6 Immunity to False Masking Signals
6.9 Electrical tests
6.9.1 General
6.9.2 Detector current consumption
27 6.9.3 Slow input voltage change and input voltage range limits
6.9.4 Input voltage ripple
6.9.5 Input voltage step change
6.9.6 Total loss of power supply
6.10 Environmental classification and conditions
28 Table 7 — Operational tests
Table 8 — Endurance tests
29 6.11 Marking, identification and documentation
6.11.1 Marking and/or identification
6.11.2 Documentation
30 Annex A (normative) Dimensions and requirements of the standardized test magnets
A.1 Introduction
A.2 Requirements
31 Figure A.1 — Test magnet – Magnet Type 1
32 Figure A.2 — Test magnet – Magnet Type 2
33 Annex B (normative) General testing matrix
35 Annex C (normative) Walk test diagrams
Figure C.1
36 Figure C.2
38 Figure C.3
40 Figure C.4
41 Figure C.5
42 Figure C.6 — Example of a scaled drawing of a manufacturer’s claimed detection boundary
43 Annex D (informative) Equipment for walk test velocity control
D.1 General
D.2 Moving light source guiding system
D.3 Metronome
44 Annex E (informative) Immunity to microwave signal interference by fluorescent lights
Figure E.1 — Immunity to fluorescent lamp interference
45 Annex F (informative) Example list of small tools
46 Annex G (informative) Test for resistance to re-orientation of adjustable mountings
47 Figure G.1 — Re-orientation test
48 Bibliography

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BS EN 50131-2-3:2022
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