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including management of obsolescence
— or by repeating the print-free test at suitable intervals until the print-free time is obtained
It does not cover the specifics of the development of a method or laboratory set-up
BS 8409 has been updated to take into account the publication of BS EN 1176-10
The standard also looks at the competence of quality and environmental management system auditors
Alarm systems. Intrusion and hold-up systems - Intrusion detectors. Glass break detectors (acoustic) Ingestion-build-78747 including management of obsolescence1 Scope This European Standard is for passive acoustic glass break detectors installed in buildings and provides for security Grades 1 to 4 (see EN 501311), specific or non specific wired or wire free detectors, and uses environmental classes I to IV (see EN 501305). This European Standard does not include requirements for passive acoustic glass break detectors intended for use outdoors. A detector shall fulfil all the requirements of the specified
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