JIS C 1509-2:2005被替代
Electroacoustics - Sound level meters Part 2: Pattern evaluation tests
出版：Japanese Standards Association
專家解讀視頻
This part of JIS C 1509 provides details of the tests necessary to verify conformance to all mandatory specifications given in JIS C 1509-1 for conventional sound level meters, integrating-averaging sound level meters and integrating sound level meters. Pattern evaluation tests apply for each channel of a multi-channel sound level meter, as appropriate. Tests and test methods are applicable to class 1 and class 2 sound level meters. The aim is to ensure that all testing laboratories use consistent methods to perform pattern evaluation tests.
IEC 61672-2 Ed. 1.0 - Identical
