IEC
IEC 61672-2: Electroacoustics – Sound level meters – Part 2: Pattern evaluation tests
IEC 61672-2 Standard Overview
IEC 61672-2 provides details of the tests necessary to verify conformance to all mandatory specifications given in IEC 61672-1 for time-weighting 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 necessary. Tests and test methods are applicable to class 1 and class 2 sound level meters.
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