ASTM F558-2017a Standard Test Method for Measuring Air Performance Characteristics of Vacuum Cleaners《测定真空吸尘器的空气性能特征的标准试验方法》.pdf
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1、Designation: F558 17F558 17a An American National StandardStandard Test Method forMeasuring Air Performance Characteristics of VacuumCleaners1This standard is issued under the fixed designation F558; the number immediately following the designation indicates the year of originaladoption or, in the c
2、ase of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers procedures for determining air performance characteristics of commerc
3、ial and household upright,canister, stick, hand-held, utility, and combination-type vacuum cleaners having provisions for attaching a hose and incorporatinga series universal motor. This test method can be applied to the carpet cleaning mode of operation.1.2 These tests and calculations include dete
4、rmination of suction, airflow, air power, maximum air power, and input power understandard operating conditions (see Note 1). The nozzle mounted on plenum testing is an ideal air performance measurement andis not intended to represent the actual air performance during carpet or floor cleaning.NOTE 1
5、For more information on air performance characteristics, see Refs (1-6).21.3 The foot-pound-inch system of units is used in this standard. The values in parentheses are given for information only.1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not pur
6、port to address allof the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriatesafety safety, health, and healthenvironmental practices and determine the applicability of regulatory limitations prior to use.Aspecific precauti
7、onary statement is given in Note 2.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Or
8、ganization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3E1 Specification for ASTM Liquid-in-Glass ThermometersE177 Practice for Use of the Terms Precision and Bias in ASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study to Determine the Pre
9、cision of a Test MethodE2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision LiquidsF431 Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners2.2 AMCA Standard:4210-85 Laboratory Methods of Testing Fans for Rating2.3 IEC Standard:5IEC 60312 Ed
10、 3.262885-2 Surface Cleaning Appliances Part 2: Dry Vacuum Cleaners for Household UseMethods of orSimilar Use Methods for Measuring the Performance3. Terminology3.1 Definitions:3.1.1 air power, AP, W, nin a vacuum cleaner, the net time rate of work performed by an air stream while expending energyto
11、 produce an airflow by a vacuum cleaner under specified air resistance conditions.1 This test method is under the jurisdiction of ASTM Committee F11 on Vacuum Cleaners and is the direct responsibility of Subcommittee F11.22 on Air Performance.Current edition approved March 1, 2017Sept. 1, 2017. Publ
12、ished March 2017October 2017. Originally approved in 1978. Last previous edition approved in 20132017 asF558 13.F558 17. DOI: 10.1520/F0558-17.10.1520/F0558-17A.2 The boldface numbers in parentheses refer to the list of references appended to this test method.3 For referencedASTM standards, visit th
13、eASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from Air Movement and Control Association, 30 West University Dr., Arlington Heights, IL,
14、 60004.5 Available from the IEC Web store, webstore.iec.ch, or American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made t
15、o the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyrig
16、ht ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.2 automatic bleed valve, nany device a part of a vacuum cleaners design which automatically introduces an intentionalleak within the vacuum cleaners system when manufacturer specified condi
17、tions are met.3.1.3 corrected airflow, Q, cfm, nin a vacuum cleaner, the volume of air movement per unit of time under standardatmospheric conditions.3.1.4 input power, W, nthe rate at which electrical energy is absorbed by a vacuum cleaner.3.1.5 model, nthe designation of a group of vacuum cleaners
18、 having the same mechanical and electrical construction with onlycosmetic or nonfunctional differences.3.1.6 population, nthe total of all units of a particular model vacuum cleaner being tested.3.1.7 repeatability limit (r), nthe value below which the absolute difference between two individual test
19、 results obtained underrepeatability condition may be expected to occur with a probability of approximately 0.95 (95 %).3.1.8 repeatability standard deviation (Sr), nthe standard deviation of test results obtained under repeatability conditions.3.1.9 reproducibility limit (R), nthe value below which
20、 the absolute difference between two test results obtained underreproducibility conditions may be expected to occur with a probability of approximately 0.95 (95 %).3.1.10 reproducibility standard deviation (SR), nthe standard deviation of test results obtained under reproducibilityconditions.3.1.11
21、sample, na group of vacuum cleaners taken from a large collection of vacuum cleaners of one particular model whichserves to provide information that may be used as a basis for making a decision concerning the larger collection.3.1.12 standard air density, std, lb/ft3, natmospheric air density of 0.0
22、75 lb/ft3 (1.2014 Kg/m3).3.1.12.1 DiscussionThis value of air density corresponds to atmospheric air at a temperature of 68F (20C), 14.696 psi (101.325 kPa), andapproximately 30 % relative humidity.3.1.13 suction, inch of water, nin a vacuum cleaner, the absolute difference between ambient and subat
23、mospheric pressure.3.1.14 test run, nthe definitive procedure that produces the singular result of calculated maximum air power.3.1.15 test station pressure, Bt, inch of mercury,nfor a vacuum cleaner, the absolute barometric pressure at the test location(elevation) and test time.3.1.15.1 DiscussionI
24、t is not the equivalent mean sea level value of barometric pressure typically reported by the airport and weather bureaus. It issometimes referred to as the uncorrected barometric pressure (that is, not corrected to the mean sea level equivalent value). Referto 5.5 for additional information.3.1.16
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