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  • BSI
    19/30385840 DC BS EN 50131-2-4. Alarm systems. Intrusion and hold-up systems - Part 2-4. Requirements for combined passive infrared and microwave detectors
    Edition: 2019
    $44.66
    / user per year

Description of 19/30385840 DC 2019

This document is for combined passive infrared and 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 detect the broad spectrum infrared radiation emitted by an intruder, to emit microwave signals and analyse the signals that are returned and to provide the necessary range of signals or messages to be used by the rest of the intrusion alarm system. For a combined detector where both technologies have to be activated in order to generate an alarm condition, providing higher false alarm immunity, it is essential to meet the grade dependent requirements of this document. For a combined detector which can be configured or operated such that each detection technology can generate an alarm condition independently, it is essential to meet the grade-dependant requirements of EN 50131-2-2 and EN 50131-2-3 when configured accordingly. Otherwise the manufacturer clearly states that the detector does not comply to this document and not to EN 50131-2-2 and EN 50131-2-3 when put into such a configuration. It is essential that a detector fulfil 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. This document does not apply to system interconnections.

Standard Number19/30385840 DC
TitleBS EN 50131-2-4. Alarm systems. Intrusion and hold-up systems - Part 2-4. Requirements for combined passive infrared and microwave detectors
StatusDefinitive
Publication Date2019-07-15
Identical National Standard OfprEN 50131-2-4:2019
DescriptorsWarning devices, Anti-burglar measures, Alarm systems, Microwaves, Safety measures, Crime prevention devices, Security systems in buildings, Measuring instruments, Grades (quality), Environmental testing, Classification systems, Performance testing, Safety devices, Infrared radiation, Burglar alarms, Detectors
ICS13.310 Protection against crime
CommitteeGW/1
PublisherBSI
Pages54

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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