Alarm systems. Alarm transmission systems and equipment - Requirements for equipment used in systems with digital communicators using the public switched telephone networkAlarm systems Alarm transmission systems and equipment Part 2 3: Requirements for equipment used in systems with digital communicators using the public switched telephone network Executive summary Requirements for alarm transmission equipment used in digital communicator systems utilizing the public switched telephone network. Abstract This European Standard specifies additional requirements to those specified in EN 50136 2 1 for equipment used in

Contents of BS EN 12020-1 includes:

Why should you use BS 476-23 - Components to the fire resistance of a structure

Identification

Such a strategy makes available a battery of tests

The environmental aspects of a product have to be balanced against other factors

Cone form tolerances (TF)

these publications need to be consulted

avere un approccio finalizzato alla gestione del rischio

Contents of BS ISO 20938:

Essential Requirements of the New Approach Directive Machinery 98/37/EC

chemical composition

excessive temperatures and electromagnetic compatibility