This Technical Specification specifies the test conditions under which the acoustic emission levels of stationary audible warning devices may be ontained. It is applicable to sirens for use in outdoor public warning systems and sound signalling devices for use outdoors.
DS/ISO/TS 13475-2:2002 history
2002DS/ISO/TS 13475-2:2002 Acoustics - Stationary audible warning devices used outdoors - Part 2: Precision methods for determination of sound emission quantities