ISO-7240-12 › Complete Document History
Fire detection and alarm systems - Part 12: Line type smoke detectors using a transmitted optical beam

Complete Current Edition:
   3RD EDITION - Part 12: Line type smoke detectors using a transmitted optical beam - June 1, 2022

Obsolete Revision Information:
   2ND EDITION - Part 12: Line type smoke detectors using a transmitted optical beam - April 15, 2014
   1ST EDITION - ALARM SYSTEMS - Feb. 15, 2006