
Electroacoustics - Sound Level Meters - Part 3: Periodic Tests
出版:Danish Standards

專家解讀視頻
Explains procedures for periodic testing of time-weighting, integrating-averaging, and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of the second edition of IEC 61672-1.
2007 Edition is also active and will be withdrawn on 04-11-2016. (01/2014)
EN 61672-3:2013 - Identical