1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-20873-8 SANS 60839-1-2:2007Edition 1IEC 60839-1-2:1987Edition 1SOUTH AFRICAN NATIONAL STANDARD Alarm systems Part 1: General requirements
4、Section Two Power units, test methods and performance criteria This national standard is the identical implementation of IEC 60839-1-2:1987 and is adopted with the permission of the International Electrotechnical Commission. Published by Standards South Africa 1 dr lategan road groenkloof private ba
5、g x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 60839-1-2:2007 Edition 1 IEC 60839-1-2:1987 Edition 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committ
6、ee StanSA TC 68, Security systems, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in December 2007. SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing
7、clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tan
8、dard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subs
9、cription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 60839-1-2:2007 Standards South AfricaThis s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .
