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Help Using Digital SPL Meter


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#1 of 5 Jeff Braun

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Posted April 12 2003 - 10:19 AM

Hey guys, so I have a Radio Shack digital SPL meter, but I don't have the instruction manual, so I'm not sure how to use it. Specifically, I don't know how to set the unit so that it measures a certain frequency. Can anyone tell me how to do this? I suspect you set the dial, and make some other adjustment. Also, the dial only goes as low as 60, so I am completely clueless as to how you'd use the unit to measure sound at 20 Hz.

Thanks,
Jeff

#2 of 5 Steven(Ch)

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Posted April 12 2003 - 10:39 AM

Make sure you have it set to C weighting, slow response and 70db range.

#3 of 5 Jeff Braun

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Posted April 12 2003 - 10:45 AM

What exactly does the range mean?

#4 of 5 steve nn

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Posted April 12 2003 - 12:21 PM

> The "Range" that will register on your meter set to 70 will be a 60 to 80db spread.

#5 of 5 Tony Genovese

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Posted April 12 2003 - 01:03 PM

The manual can be found here:

http://support.radio....oc37/37457.htm

And if you want to measure a certain frequency you need a source for test tones that will provide that frequency out of your speakers. A Stereophile test disk, for example.