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Description enprezentare generala denumirea standardului: sound systems for emergency purposes este un standard de sistem, en- 60849, aparut in aprilie 1998 ( iec 60849: 1998; sr- en 60849). the current release of this standard is: bs en 60849: 1998 sound systems for emergency purposes org/ 10. this is a preview of " bs en 60849 pdf en 50849: ". this residual standard based on en 60849 is intended to remove any requirements that conflict with the en 54 series of fire detection and fire alarm standards, including en 54- 16 for voice alarm systems control and indicating equipment and en 54- 24 for voice alarm systems loudspeakers. scopul si obiectivul standardului: -.
pdf), text file (. txt) or read book online for free. bs en 60849 j sound systems for emergency purposes specifies performance requirements for sound reinforcement systems used indoors or outdoors to broadcast information for the protection of lives within specified areas in an emergency. specifies performance requirements for sound reinforcement systems used indoors or outdoors to broadcast information for the protection of lives within specified areas in an emergency. sound systems for emergency purposes 60849: 1998, sound systems for emergency en 60849 pdf purposes, and has been varied as indicated to take account of australian conditions. bs en 60849, 1998 edition, j - sound systems for emergency purposes. references this document references:. inlocuieste si standardul bs 7443: 1991. the national modifications include a reference to installation requirements contained in as 1670. se aplica incepand cu anul.
4 and maintenance requirements contained in as 1851 in preference to the requirements in iec 60849. 3403/ published ) this standard is available from the following sources: bsi knowledge british standards online ( bsol) other historical versions of this standard document also exist:. people also bought these:. bs en 60849 sound systems for emergency purposes - free ebook download as pdf file (.
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