Acoustics. Stationary audible warning devices used outdoors - Field measurements for determination of sound emission quantities Ingestion-build-73073 Process and equipment characterization

Process and equipment characterization

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Annex E (informative) Alternative acceptance criteria for the device functionality profile evaluation

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Acoustics. Stationary audible warning devices used outdoors - Field measurements for determination of sound emission quantities Ingestion-build-73073 Process and equipment characterization1 Scope This part of ISO 13475 specifies the test conditions by which the sound emission level of stationary audible warning devices can be obtained. The methods are applicable to sirens for use in public outdoor warning systems and sound signalling devices for use outdoors. The purpose of this test code is to be able to produce reliable sound emission level measurements for stationary sirens used for warning outdoors. This part of ISO 13475 does not