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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.310 Protection against crime>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
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immediate downloadReleased: 2019-07-15
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

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

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LANGUAGE
English
Standard number:19/30385840 DC
Pages:54
Released:2019-07-15
Status:Draft for Comment
DESCRIPTION
This standard 19/30385840 DC BS EN 50131-2-4. Alarm systems. Intrusion and hold-up systems is classified in these ICS categories:
  • 13.310 Protection against crime
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.
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