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BS EN 50131-2-2:2021 – TC:2023 Edition

BS EN 50131-2-2:2021 – TC:2023 Edition

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Tracked Changes. Alarm systems. Intrusion and hold-up systems – Requirements for passive infrared detectors

Published By Publication Date Number of Pages
BSI 2023 134
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This document is for passive infrared 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 detect the broad spectrum infrared radiation emitted by an intruder, to analyse the resulting signals 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
1 30462819_New
78 A-30414215
79 undefined
86 1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
87 3.2 Abbreviations
4 Functional requirements
4.1 Event processing
89 4.2 Detection
4.2.1 Detection performance
90 4.2.2 Indication of detection
91 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 turbulent warm air flow
4.4.3 Immunity to visible and near infrared radiation
92 4.5 Tamper security
4.5.1 General
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
93 4.5.6 Detection of masking
4.6 Electrical requirements
4.6.1 General
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
94 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
95 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
96 6.2.5 Standard walk test target
6.2.5.1 General
6.2.5.2 Standard walk test target temperature
6.2.5.3 Standard walk test target temperature differential
6.2.6 Testing procedures
6.3 Basic detection test
6.3.1 General
6.3.2 Basic detection targets (BDT)
97 6.3.3 Basic Detection Test procedure
6.4 Walk testing
6.4.1 General walk test method
6.4.2 Verification of detection performance
98 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°
6.4.3.3 Verify detection across the boundary for detectors with a coverage angle of greater than 180°
99 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°
6.4.4 Verify the high-velocity detection performance for detectors with a coverage angle less than or equal to 180°
100 6.4.5 Verify the high-velocity detection performance for detectors with a coverage angle of greater than 180°
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°
101 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°
6.5 Switch-on delay, time interval between signals and indication of detection
102 6.6 Self-tests
6.6.1 General
6.6.2 Application of the fault condition
6.6.3 Local self-test procedure
103 6.6.4 Remote self-test procedure
6.7 Immunity to incorrect operation
6.7.1 Immunity to turbulent warm air flow
6.7.2 Immunity to visible and near infrared radiation
104 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
105 6.8.5 Detection of detector masking
106 6.8.6 Immunity to False Masking Signals
6.9 Electrical tests
6.9.1 General
6.9.2 Detector current consumption
107 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
109 6.11 Marking, identification and documentation
6.11.1 Marking and/or identification
6.11.2 Documentation
110 Annex A (normative)Dimensions and requirements of the standardized test magnets
A.1 Introduction
A.2 Requirements
113 Annex B (normative)General testing matrix
115 Annex C (normative)Walk test diagrams
123 Annex D (normative)Procedure for calculation of the average temperature difference between the standard target and the background
D.1 Measurement and calculation of the real average temperature difference between the SWT and the background
D.2 Adjustment of equivalent average temperature difference between the SWT and the background
124 Annex E (informative)Basic detection target for the basic test of detection capability
125 Annex F (informative)Equipment for walk test velocity control
F.1 General
F.2 Moving light source guiding system
F.3 Metronome
126 Annex G (informative)Immunity to visible and near Infrared radiation – Notes on calibration of the light source
127 Annex H (informative)Example list of small tools
128 Annex I (informative)Test for resistance to re-orientation of adjustable mountings
130 Annex J (informative)Delta-T film adjustment lookup table
131 Annex K (informative)Immunity to turbulent warm air flow

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