Re: Sound Level Meters

["Ward R. Drennan" <drennan@xxxxxxxxxxxxxxxx>]

Check Larson Davis (LD) sound level meters, Type 1. If they meet your need for filters, they are MUCH less expensive than B and K. LD meets ANSI standards. Type 1 has standard calibrator.



On Sat, 2 Aug 2008, R. Mercuri wrote:

> 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 standards are out of date, but those are the ones I have to be sure the 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@xxxxxxxxxxxxxx


Ward R. Drennan, Ph. D.
VM Bloedel Hearing Research Center
Department of Otolaryngology
University of Washington Box 357923
Seattle, WA 98195
Office: (206) 897-1848
Fax: (206) 616-1828