Railway applications. Acoustics. Measuring of door audible warnings Ingestion-build-51747 What is IEC 60079-0 -

What is IEC 60079-0 - Explosive atmospheres about

Machine operation

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described in Clause 8 of this document

Railway applications. Acoustics. Measuring of door audible warnings Ingestion-build-51747 What is IEC 60079-0 -1 Scope This document specifies procedures to assess acoustic signals at passenger external doors applying to all kind of rolling stock. The following applies to this standard: this document refers to acoustical passenger information indicating the release, opening and closing of passenger doors; this document is applicable to tonal signals with defined frequency components levels and pulse sequences; this document is not applicable to spoken