Good day to all.

In reviewing the list of harmonized standards called up to
support a DoC to the Machinery Directive, several acoustic
standards are mentioned.  Many of these standards appear to
address test methods.

Going only by the titles of these standards, some test
methods (for instance, where a reverberant room is used)
seem to overlap one another.  Short of purchasing the
plethora of standards identified for acoustic compliance, is
there a way to determine which standard will best suit a
fixed set of test equipment and facilities, without hiring a
consultant?

If the product is effectively complete unto itself (meaning,
it can function as intended), but is designed to and will
only be used inside the enclosure of another piece of
equipment (the application in use is a certainty), but the
specific equipment incorporated into can not be completely
specified, is acoustic testing necessary, other than to
provide guidance to the final equipment assembler?


Regards,

Peter L. Tarver, PE
ptar...@ieee.org




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