ASTM F2544 - 11

    Standard Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units

    Active Standard ASTM F2544 | Developed by Subcommittee: F11.25

    Book of Standards Volume: 15.08


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    Significance and Use

    The test results enable the comparison of A-weighted sound emission from central vacuum power units when tested under the condition of this test method.

    1. Scope

    1.1 This test method calculates the overall A-weighted sound power level emitted by central vacuum power units, intended for operation in domestic applications. This standard applies to the power unit only at the power unit location. To test the sound power level of a central vacuum at the users location, refer to Test Method F 1334.

    1.2 A-weighted sound pressure measurements are performed on a mounted central vacuum power unit in a semi-reverberant room. This test method determines sound power by a comparison method for small noise sources, that is, comparison to a broad band reference sound source.

    1.3 This test method describes a procedure for determining the A-weighted sound power level of small noise sources. This test method uses a non-special semi-reverberant room.

    1.4 Results are expressed as A-weighted sound power level in decibels (referenced to 1 pW).

    1.5 The values stated in inch pound units are to be regarded as the standard. The values in parentheses are for information only.

    This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C634 Terminology Relating to Building and Environmental Acoustics

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    F820 Test Method for Measuring Air Performance Characteristics of Central Vacuum Cleaning Systems

    F1334 Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners


    ICS Code

    ICS Number Code 17.140.20 (Noise emitted by machines and equipment); 97.080 (Cleaning appliances)

    UNSPSC Code

    UNSPSC Code 47121602(Vacuum cleaners)


    DOI: 10.1520/F2544-11

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