Alarm systems. Intrusion and hold-up systems - Intrusion detectors. Glass break detectors (passive)1 Scope This European Standard is for passive surface mounted 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 surface mounted glass break detectors intended for use outdoors. A detector shall fulfil all the requirements of

Why should you use BS EN 13609-1 - Updating coding schemes of messages for maintenance

and calibration

IEC 62013-1

primarily for testing before and after modifications

which enhance competitiveness and performance whilst providing a platform from developing additional value

56 MHz (HF)

Who is BS EN IEC 60034-27-4 – Rotating electrical machines for

It provides a framework over the foundation objects and multimedia systems services defined in other Parts of the international standard for the development of a distributed and heterogeneous network of devices for creating multimedia models

the term “RUSP” is used as an adjective and stands for “Ready to Use Software Product”

Clause 5 modified

Between information provision systems – generally

Defects as a result of long-term operation