Noise measuring and devices

[Tony Stillman]

It really does not matter what you purchase, if you want one calibrated, you will have to purchase a  calibration unit designed for that particular db meter.  AMA has these for the units they have.

Tony Stillman
Radio South, Inc.
3702 N. Pace Blvd.
Pensacola, Fl 32505
www.radiosouthrc.com
800-962-7802
  ----- Original Message ----- 
  From: Gray E Fowler 
  To: discussion at nsrca.org 
  Sent: Friday, September 06, 2002 1:09 PM
  Subject: Re: Noise measuring and devices



  All I can say is that the $75 Radio Shack digital meter is ballpark only. It is calibrated to +/- 3dB! I double checked the one I bought for my club against an identical one owned by someone else and they were alway 1-2 dB different. Earl haury and Mike Harrison showed me their models that were $220 and +/- 1dB but I cannot remember the make/model. Both of theirs registered exactly the same when we were testing at a Texas contest. In short do not get the Radio Shack and depend on it.



  Gray Fowler
  Principal Chemical Engineer
  Composites Engineering 


       Woodward James R Civ 412 TW/DRP <James.Woodward2 at edwards.af.mil> 
        Sent by: discussion-request at nsrca.org 
        09/06/2002 12:56 PM 
        Please respond to discussion 

               
                To:        "'discussion at nsrca.org'" <discussion at nsrca.org> 
                cc:         
                Subject:        Noise measuring and devices 



  Now flying masters and knowing that they measure sound at the Nats, I'd like
  to start getting prepared.  Is there a decent, not too expensive noise
  measuring device available?  Any ideas on this or the preferred method for
  performing the actual measurent would be greatly appreciated.  I'm thinking
  that the asphault method is most available to me.

  TIA

  Jim W.


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