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ISO 3745:2003, Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms | 
 enlarge | Author: Iso/tc 43/sc 1
Publisher: Multiple. Distributed through American National Standards Institute (ANSI)
Category: Book
Buy New: $157.00
Sales Rank: 4095223
Media: Paperback
Pages: 50
Shipping Weight (lbs): 0.4
Dimensions (in): 10.5 x 8.3 x 0.1
ASIN: B000Y2SXSA
Publication Date: August 23, 2007
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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Product Description
ISO 3745:2003 specifies methods for measuring the sound pressure levels on a measurement surface enveloping a noise source in anechoic and hemi-anechoic rooms, in order to determine the sound power level or sound energy level produced by the noise source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the sound power level or sound energy level is calculated, leading to results which have a grade 1 accuracy.The methods specified in ISO 3745:2003 are suitable for measurements of all types of noise.The noise source can be a device, machine, component or sub-assembly. The maximum size of the source under test depends on the radius of the hypothetical sphere (or hemisphere) used as the enveloping measurement surface.
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