Alarm systems. Alarm transmission systems and equipment - General requirements for alarm transmission equipmentAlarm systems Alarm transmission systems and equipment Part 2 1: General requirements for alarm transmission equipment Executive summary General requirements for alarm transmission equipment used in alarm transmission systems. Abstract This European Standard, a part of the EN 50136 series, specifies the general requirements for alarm transmission equipment used in alarm transmission systems. This standard does not specify the equipment used to display

light diffusion test

It is essential that products defined by European Aerospace Series Standards (EN) conform to the requirements of these standards

l) determination of silica by the double evaporation method becomes the reference method

Is used in conjunction with EN 1361-1

Guidance on the application of brazing and the manufacture of brazed joints

With the growing importance of sustainable development

weekly and regular control

Hazards to be taken into account when designing machinery

BS EN 10343 is an indispensable guide to those who specify

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BS EN 15016-1 also applies to all the railway organizations and parties concerned with technical drawings

Senior executives