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ISO 13475-1:1999

Acoustics — Stationary audible warning devices used outdoors — Part 1: Field measurements for determination of sound emission quantities

Nov 4, 1999

General information

90.93     Oct 17, 2022


ISO/TC 43/SC 1

International Standard

13.320     17.140.20  




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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 cover spoken messages and contains no recommendations for specific warning

Life cycle


ISO 13475-1:1999
90.93 Standard confirmed
Oct 17, 2022