Subject: Re: Sound Level Meters From: boris defreville <boris.defreville@xxxxxxxx> Date: Sat, 2 Aug 2008 18:25:24 +0200 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>------=_Part_17766_9862524.1217694324131 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Rebecca, I can suggest you Sound Level Meter by 01dB-Metravib : http://solo.01db-metravib.com/ Largely used by professional acoustic consultants for noise impact measurments (calibration is made with a "calibrator"). 01 dB has an office in the USA (see on the website). Bruel & Kjaer also provide similar equipment. Hope this helps Boris www.orelia.fr 2008/8/2 R. Mercuri <notable@xxxxxxxx> > I need to perform some sound level readings at an industrial facility and > am looking for a good logging octave-band recorder. I'd appreciate > recommendations. > > The equipment must be capable of handling the following bands 20-75, > 75-150, 150-300, 300-600, 600-1200, 1200-2400, 2400-4800, and 4800 and > above. The equipment must ALSO be compliant with the ANSI standards for > Sound Level Meter Sl4-1971 and for Octave Band Filter Sets SL11-1966, R1971. > I realize these standards are out of date, but those are the ones I have to > be sure the equipment complies with, so if anyone knows how those earlier > standards relate to ANSI Type 1, 2 etc. it would be greatly appreciated. > > Also, recommendations for companies in the USA who rent such equipment > would be greatly appreciated (as in, if you had a particularly GOOD or BAD > experience with a certain company, this would be helpful to know). > > A final question is with regard to calibration of the equipment -- are they > self-calibrating, or is there a calibration test-set that one can purchase > to ensure the equipment is in spec. > > Thanks in advance for any information that folks can provide. > > Rebecca Mercuri, Ph.D. > notable@xxxxxxxx > ------=_Part_17766_9862524.1217694324131 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline <div dir="ltr">Rebecca,<br><br>I can suggest you Sound Level Meter by 01dB-Metravib :<a href="http://solo.01db-metravib.com/" target="_blank">http://solo.01db-metravib.com/</a><br><br>Largely used by professional acoustic consultants for noise impact measurments (calibration is made with a "calibrator"). 01 dB has an office in the USA (see on the website).<br> <br>Bruel & Kjaer also provide similar equipment.<br><br>Hope this helps<br><br>Boris <br><a href="http://www.orelia.fr/" target="_blank">www.orelia.fr</a><br><br><br><div class="gmail_quote">2008/8/2 R. Mercuri <span dir="ltr"><<a href="mailto:notable@xxxxxxxx">notable@xxxxxxxx</a>></span><br> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I need to perform some sound level readings at an industrial facility and am looking for a good logging octave-band recorder. I'd appreciate recommendations.<br> <br> The equipment must be capable of handling the following bands 20-75, 75-150, 150-300, 300-600, 600-1200, 1200-2400, 2400-4800, and 4800 and above. The equipment must ALSO be compliant with the ANSI standards for Sound Level Meter Sl4-1971 and for Octave Band Filter Sets SL11-1966, R1971. I realize these standards are out of date, but those are the ones I have to be sure the equipment complies with, so if anyone knows how those earlier standards relate to ANSI Type 1, 2 etc. it would be greatly appreciated.<br> <br> Also, recommendations for companies in the USA who rent such equipment would be greatly appreciated (as in, if you had a particularly GOOD or BAD experience with a certain company, this would be helpful to know).<br> <br> A final question is with regard to calibration of the equipment -- are they self-calibrating, or is there a calibration test-set that one can purchase to ensure the equipment is in spec.<br> <br> Thanks in advance for any information that folks can provide.<br> <br> Rebecca Mercuri, Ph.D.<br> <a href="mailto:notable@xxxxxxxx" target="_blank">notable@xxxxxxxx</a><br> </blockquote></div><br><br clear="all"><br><br> </div> ------=_Part_17766_9862524.1217694324131--