ISO 7240-21:2005
$36.40
Fire detection and alarm systems — Part 21: Routing equipment
Published By | Publication Date | Number of Pages |
ISO | 2005-07 | 34 |
ISO 7240-21:2005 specifies requirements, methods of test, and performance criteria for fire-alarm routing (transmitting) equipment and for fault (trouble) warning routing equipment for use in fire detection and fire alarm systems installed in buildings.