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OVE EN 61672-2:2020-03

Действует
Electroacoustics - Sound level meters -- Part 2: Pattern evaluation tests (IEC 61672-2:2013 + A1:2017) (english version)
This part of IEC 61672 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. Patternevaluation
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. The aim is
to ensure that all laboratories use consistent methods to perform pattern-evaluation tests.
ICS
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры