1、Designation:F282614An American National StandardStandard Test Method forEvaluating the Sustained Air Performance and ExhaustEmission Efficiencies of Central Vacuum Cleaning Units1This standard is issued under the fixed designation F2826;the number immediately following the designation indicates the
2、year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is a laboratory test for determining thesu
3、stained air performance and Exhaust Emissions of a centralvacuum cleaner when tested under laboratory conditions.1.2 This test method is applicable to all central vacuumcleaners with or without any type of internal filter.This testmethod is intended to help indicate how performance may beaffected af
4、ter multiple times of vacuuming over an extendedperiod of time.1.3 The inch-pound system of units is used in this standardexcept for weight measurements,which are measured in grams.The values stated in parentheses are given for information only.1.4 This standard does not purport to address all of th
5、esafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E1 Specification for ASTM Liqui
6、d-in-Glass ThermometersE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodF820 Test Method for Measuring Air Performance Charac-teristics of Central Vacuum Cleaning Systems2.2 ISO St
7、andard:3ISO 5011 Inlet Air Cleaning Equipment for Internal Com-bustion Engines and CompressorsPerformance Testing3.Terminology3.1 Definitions:3.1.1 exhaust emissionsmeasure of the efficiency of a unitto capture the loading media.Exhaust Emissions is(1 (theweight of the media exhausted into the exhau
8、st emissions bag,divided by the weight of the media introduced)100).3.1.2 input power,W,nthe rate at which electrical energyis absorbed by a vacuum cleaner motor/fan system.3.1.3 model,nthe designation of a group of vacuumcleaner systems having the same mechanical and electricalconstruction.3.1.4 po
9、pulation,nthe total of all units of a particularmodel vacuum cleaner system being tested.3.1.5 sample,na group of vacuum cleaner systems takenfrom a large collection of vacuum cleaner systems of oneparticular model,which serves to provide information that maybe used as a basis for making a decision
10、concerning the largercollection.3.1.6 seal vacuuma water lift reading for a power unitwhen the inlet is entirely closed or sealed.3.1.7 standard air density,std,lb/ft3,natmospheric airdensity of 0.075 lb/ft3(1.2014 Kg/m3).3.1.7.1 DiscussionThis value of air density corresponds toatmospheric air at a
11、 temperature of 68F(20C),14.696 psi(101.325 kPa),and approximately 30%relative humidity.3.1.8 suction,inches of water,nin a vacuum cleanersystem,the absolute difference between ambient and sub-atmospheric pressure.3.1.9 sustained air performance,nthe ability of a vacuumcleaner to maintain air perfor
12、mance with a known quantity ofmedia aspirated into unit throughout a number of feedingcycles.3.1.10 test run,nthe definitive procedure that producesthe singular result.3.1.11 test station pressure,Bt,inches of mercury,nfor avacuum cleaner system,the absolute barometric pressure at thetest location(e
13、levation),and test time.3.1.11.1 DiscussionIt is not the equivalent mean sea levelvalue of barometric pressure typically reported by the airportand weather bureaus.It is sometimes referred to as the1This test method is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct r
14、esponsibility of Subcommittee F11.22 on Air Perfor-mance.Current edition approved Jan.15,2014.Published January 2014.DOI:10.1520/F2826-142For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume infor
15、mation,refer to the standards Document Summary page onthe ASTM website.3Available from International Organization for Standardization(ISO),1,ch.dela Voie-Creuse,CP 56,CH-1211 Geneva 20,Switzerland,http:/www.iso.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 1
16、9428-2959.United States1 uncorrected barometric pressure(that is,not corrected to themean sea level equivalent value).3.1.12 unit,na single vacuum cleaner system of the modelbeing tested.3.1.13 working vacuuma water lift reading value at anorifice causing a vacuum equivalent to a standard cleaning toolapplied to the floor or rug.4.Significance and Use4.1 The test results allow comparison of sustained airperformance of central vacuum cleaners that employ variousmethods of separating the dirt from
