DIN-EN-61161 Complete Document History
Ultrasonics - Power measurement - Radiation force balances and performance requirements (IEC 61161:2013); German version EN 61161:2013

Complete Current Edition:
   2013 EDITION - German Language Only - Nov. 1, 2013

Obsolete Revision Information:
   2007 EDITION - German Language Only - Sept. 1, 2007
   1999 Edition - German Language Only - Feb. 1, 1999
   1995 Edition - German Language Only - June 1, 1995