Railway applications. Acoustics. Measuring of door audible warnings Ingestion-build-51747 Any organization regardless of type

Any organization regardless of type

good mechanical properties and can be machined provided suitable techniques are employed

Machine operation

described in Clause 8 of this document

or a carrier matrix to deliver drugs or biologics

Railway applications. Acoustics. Measuring of door audible warnings Ingestion-build-51747 Any organization regardless of type1 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