Doug, IEC 61310-1:2007 Safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals
ISO 8201:1987 Acoustics -- Audible emergency evacuation signal ISO 7240-3:2010 Fire detection and alarm systems -- Part 3: Audible alarm devices Doug Nix [email protected] +1 (519) 729-5704 > On 6-Feb-17, at 18:58, Doug Powell <[email protected]> wrote: > > > All, > > I recall some time ago reading information on minimum sound pressure level > for acoustic warning in noisy environments. It was possibly in an IEC > standard or a handbook making recommendations. As I recall the recommendation > was something like warning bells, horns and klaxons should be 3 to 6 dB SPL > above the ambient noise level in the immediate work area. If this is not > possible or operators may be wearing hearing protection, then visual warnings > should also be included. > > Can someone point me in the right direction? > > Thanks, Doug > > > > -- > > Douglas E Powell > > [email protected] <mailto:[email protected]> > http://www.linkedin.com/in/dougp01 <http://www.linkedin.com/in/dougp01> > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected] <mailto:[email protected]>> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > <http://www.ieee-pses.org/emc-pstc.html> > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ > <http://product-compliance.oc.ieee.org/> can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ <http://www.ieee-pses.org/> > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > <http://www.ieee-pses.org/listrules.html> > For help, send mail to the list administrators: > Scott Douglas <[email protected] <mailto:[email protected]>> > Mike Cantwell <[email protected] <mailto:[email protected]>> > > For policy questions, send mail to: > Jim Bacher <[email protected] <mailto:[email protected]>> > David Heald <[email protected] <mailto:[email protected]>> > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
