1、Designation: F2608 15 An American National StandardStandard Test Method forDetermining the Change in Room Air Particulate Counts asa Result of the Vacuum Cleaning Process1This standard is issued under the fixed designation F2608; the number immediately following the designation indicates the year of
2、original 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 provides a laboratory test for themeasurem
3、ent of particulate generated as a direct result of thevacuuming process.1.2 This test method is applicable to all residential/commercial uprights, canisters, stickvacs, central vacuumsystems, and combination cleaners.1.3 This test method applies to test dust removal from floorcoverings not the remov
4、al of surface litter and debris.1.4 The values stated in SI units are to be regarded asstandard. The values given in parentheses are for informationonly.1.5 This test method may involve hazardous materials,operations, and equipment. This standard does not purport toaddress all of the safety concerns
5、, if any, associated with itsuse. It is the responsibility of the user of this standard toestablish appropriate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2F555 Test Method for Motor Life Evaluation of
6、 an UprightVacuum CleanerF608 Test Method for Evaluation of Carpet Embedded DirtRemoval Effectiveness of Household/CommercialVacuum CleanersF655 Specification for Test Carpets and Pads for VacuumCleaner TestingF884 Test Method for Motor Life Evaluation of a Built-In(Central Vacuum) Vacuum CleanerF92
7、2 Test Method for Motor Life Evaluation of an ElectricMotorized NozzleF1038 Test Method for Motor Life Evaluation of a Canister,Hand-held, Stick, and Utility Type Vacuum Cleaner With-out a Driven AgitatorF1334 Test Method for Determining A-Weighted SoundPower Level of Vacuum CleanersF1409 Test Metho
8、d for Straight Line Movement of VacuumCleaners While Cleaning Carpets2.2 AHAM Standard:ANSI/AHAM AC-1-2006 Test Method for Performance ofPortable Household Electric Room Air Cleaners32.3 Other References:IEC 60312 Vacuum Cleaners for Household UseMethodsfor Measuring the PerformanceStandard Laborato
9、ry Practice for Quantifying RespirableParticulate Emissions Generated by Residential/Commercial Vacuums and Central Vacuum Systems, Car-pet and Rug Institute, 12/4/023. Terminology3.1 Definitions:3.1.1 model, ndesignation of a group of vacuum cleanershaving identical mechanical and electrical constr
10、uction withonly cosmetic or nonfunctional differences.3.1.2 population, ntotal of all units of a particular modelvacuum cleaner being tested.3.1.3 repeatability limit, nvalue below which the absolutedifference between two individual test results obtained underthe repeatability condition may be expec
11、ted to occur with aprobability of approximately 0.95 (95 %).3.1.4 test run, ndefinitive procedure that produces a sin-gular measured result.3.1.5 unit, nsingle vacuum cleaner of the model beingtested.4. Significance and Use4.1 In this test method, the amount of particulate generatedinto the air by o
12、perating a vacuum cleaner over a specific floorcovering that is contaminated with dust will be determined.1This test method is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct responsibility of Subcommittee F11.23 on Filtration.Current edition approved Nov. 1, 2015. Pu
13、blished November 2015. Originallyapproved in 2007. Last previous edition approved in 2014 as F260807 (2014).DOI: 10.1520/F2608-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informat
14、ion, refer to the standards Document Summary page onthe ASTM website.3Available from the Association of Home Appliance Manufacturers, 19th St.NW, Suite 402, Washington, DC 20036.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Particle
15、s from the motor, floor covering, and the test dust willall be measured. The amount of dust generated in the labora-tory practice will differ from that in residential/commercialinstallations because of variations in floor coverings, soil andother solid particulate compositions, the vacuuming process
16、used by individual operators, the air exchange rate of heating,ventilation, and air conditioning (HVAC) systems, and otherfactors.4.2 To provide a uniform basis for measuring the perfor-mance in 4.1, a standardized test chamber, equipment, floorcovering material, and dust particulate are used in thi
17、s testmethod.4.3 Due to the large range of generated particle countsobserved among products in the vacuum cleaner industry at thepresent time, the test results of the maximum particle countsgenerated under this test method are expressed in Log10equivalents for evaluation and comparison of product pe
18、rfor-mance.5. Apparatus5.1 An air-conditioned laboratory at 21 6 1.5C(70 6 5F) and 50 % relative humidity 65 % is to be used forsample preparation.5.2 Environmentally Controlled Test Chamber (per ANSI/AHAM AC-1-2006):5.2.1 Chamber SizeNominal dimensions of 3.2 by 3.7 by2.4 m (10.5 by 12 by 8 ft) up
19、to a 20 % difference in volumeis permitted.5.2.2 FrameworkStandard 5.1 by 10.2 cm (2 by 4 in.) orequivalent construction sealed to the floor line with caulkingcompound.5.2.3 WallsAny hard, cleanable surface, such as wallboard(sealed with a washable latex semi-gloss paint) or stainlesssteel. Seal wit
20、h caulking compound.5.2.4 FlooringAny hard, seamless cleanable surface suchas seamless full-width vinyl, stainless steel, or sealed concrete.5.2.5 FiltrationHEPA filtration (99.97 % at 0.3 m, 0.5m3/s (1000 ft3/min) minimum).5.2.6 Motor and Blower for Conditioning Loop0.35-m3/s(750-ft3/min) fan.5.2.7
21、 Relative Humidity50 6 5%.5.2.8 Temperature21 6 1.5C (70 6 5F).5.2.9 Chamber SealingChamber sealing shall be verifiedas follows: Particulate level in the sealed room shall not riseabove 1000 particles/ft3at 0.3 m after 20 min of HEPA off,with the room static.5.3 Real-time aerosol particle counter in
22、 the range of 0.3 to5 m. A laser photometer may be used, in addition to theparticle counter, with a range of 0.1 to 1000 g/m3.5.4 Particulate sampling pickoff probe shall be 152.4 612.7 cm (60 6 5 in.) above the test carpet, facing up, oncenterline of carpet.5.5 Weighing Scale (for Weighing Test Dir
23、t), accurate to0.01 g (0.000353 oz) and having a weighing capacity of at least100 g (3.53 oz) for weighing the dust for embedding.5.6 Dirt Embedment ToolRoller may be locked or un-locked (see Fig. 1).5.7 Dirt DispenserDispensing system that provides theoperator with a method to distribute the test d
24、irt uniformly onthe carpet test area.FIG. 1 Dirt Embedment ToolF2608 1525.8 Voltmeter, to measure input volts to the vacuum cleaner,to provide measurements accurate within 61%.5.9 Voltage-Regulator System, to control the input voltageto the vacuum cleaner. The regulator shall be capable ofmaintainin
25、g the vacuum cleaners rated voltage 61 % andrated frequency having a wave form that is essentially sinusoi-dal with 3 % maximum harmonic distortion for the duration ofthe test.5.10 Carpet bed length of 182.9 cm (72 in.) and minimumwidth of 68.6 cm (27 in.). See an example of a suitablecleaning bed a
26、pparatus in Fig. 2.5.11 Drive for carpet or vacuum cleaner capable of main-taining specified test speed of 55 cm/s (1.8 ft/s) both forwardand reverse in a straight pattern. Bed must be equipped withbrackets to hold the test vacuum handle at 80 cm (31.5 in.)above the test material.5.12 If moving the
27、vacuum cleaner, a suitable system isdescribed in Test Method F608. Travel length and width are asspecified in the procedure.5.13 Tachometer or equivalent device for calibrating con-veyor or vacuum drive speed.5.14 Rotating Agitator Conditioning Vacuum Cleaner/Equipment or a Central Vacuum Cleaning S
28、ystem equippedwith a powered, rotating agitator-equipped nozzle, for condi-tioning new test carpets and removing residual dirt from thetest carpet before each test run. This cannot be the unit tested.6. Materials6.1 Level Loop Carpet and Padding, as described in Speci-fication F655.6.2 ISO 12103-A2
29、Arizona Test Dust (IEC 60312)Weighand record 10 g of test dust in a room meeting the requirementsof 5.1. See Table 1 for a description of the dust.NOTE 1Relative humidity can have a significant effect upon theweight and amount of test dust.7. Sampling7.1 A minimum of three units of the same model va
30、cuumcleaner selected at random, in accordance with good statisticalpractice, shall constitute the population sample.7.2 To determine the best estimate of the total particulatecounts during the activity of cleaning for the population of thevacuum cleaner model being tested, the arithmetic mean of the
31、particulate level in the air rating of the samples from thepopulation shall be established by testing to a 90 % confidencelevel within 65 % of the mean value.7.3 Annex A1 provides a procedural example for determin-ing the 90 % confidence level and when the sample size shallbe increased.8. Standard T
32、est Carpet Preparation8.1 Cut panels as needed of the test carpet, specified in 6.1,to a size of 68.6 cm (27 in.) warp by 182.9 cm (72 in.) fill.8.2 Mark the carpet panel(s) with test identification numbersfor later reference.8.3 Preconditioning New Test Carpet Panels:8.3.1 Vacuum new test carpet pa
33、nels using a rotatingagitator-equipped vacuum cleaner to remove any loose mate-rials before soiling and testing.FIG. 2 Cleaning Bed ApparatusTABLE 1 ISO 12103-1, A2 Fine Test Dust Particle DistributionCumulative Volume Numeric DataSize, m Less Than, %12.621133 20.44 28.95 35.87 44.610 52.920 70.740
34、88.280 99.8F2608 1538.3.2 Vacuum the carpet with the first stroke in the directionof the pile lay and continue vacuuming the entire area of thecarpet until less than2gofcarpet fiber or soil is picked up after5 min of cleaning.8.4 Reconditioning Used Carpet Panels:8.4.1 Using the vacuum cleaner or a
35、central vacuum clean-ing system listed in 5.14, clean then entire carpet area for 5 minusing a stroke rate of 0.55 m/s (1.8 ft/s) in the direction of thepile lay to ensure removal of all residual dust embedded in thecarpet. Clean the test chamber in accordance with 9.2.8.5 Clean Carpet Particle Back
36、ground CountsPerformthe following test to establish a baseline for clean carpetparticle counts for use in referencing and calibration checks.This test is to be performed when carpet is new and after every20 test runs.8.5.1 Position the test carpet on the supporting surface.8.5.2 Mark a baseline test
37、 area 40 by 102 cm (16 by 40 in.).This area is based upon a standard nozzle width of 25 cm (10in.), plus an additional 7.6 cm (3 in.) per side. Nozzle width ismeasured at the extreme outside dimension of the nozzle. Fornozzle widths exceeding 25 cm (10 in.), the test area widthshall be increased acc
38、ordingly.8.5.3 Place the control vacuum cleaner with new bag andfilters on the test carpet 10 to 15 cm (4 to 6 in.) in front of thetest area. Set the drive run to include carpet an additional 10 to15 cm (4 to 6 in.) after the test area as well.8.5.4 Exit the test chamber and initiate the particulate
39、counter or photometer or both. Set the instrument(s) to takecontinuous readings throughout the duration of the test. Theparticle counter range sizes are 0.3, 0.5, and 1.0 m (otherparticle size ranges are optional).8.5.5 Energize the chamber purge/room air purifier until thebaseline particulate level
40、 is under 1000 particles/ft3at 0.3 mand count variation is under 10 % for 5 min at the 0.3-mrange. For the photometer, the g/m3baseline should be lessthan 1 g/m3, with a variation of less than 10 % from the mean.8.5.6 De-energize both the chamber purge/room air purifierand room-conditioning equipmen
41、t.NOTE 2Testing is to be conducted in a static environment.8.5.7 Immediately energize vacuum and monitor particlecounts (and concentration if using photometer) for 10 min. Ahard surface or a method for raising the agitator off of thecarpet should be employed to protect the carpet during thisportion
42、of the test. If a hard surface is employed it shall not beincluded in the test strokes.8.5.8 Set conveyor or vacuum stroke counter at the propernumber of strokes to accomplish 10 min 6 5 s of back andforth vacuuming at 55 cm/s (1.8 ft/s), then energize conveyorand continue to monitor particle counts
43、 (and concentration ifusing photometer).8.5.9 At the conclusion of 10 min of vacuuming, de-energize the conveyor with the vacuum in its original position,then de-energize the vacuum.NOTE 3For products employing a soft dust bag, emissions generateddue to bag collapse (“blow-back”) when powering down
44、will be moni-tored and captured during the settling period of this test.8.5.10 Record the photometer readings (if used) and particlecounts from step 8.5.7 for the 0.3, 0.5, and 1.0 m particle sizeranges.This information will act as a baseline for reference andcalibration checks after every 20 test r
45、uns performed on the testcarpet. Replace carpeting or evaluate potential problems withtest system whenever the particle counts from reference andcalibration checks of test carpet vary from the baseline level by620 %.9. Test Chamber Setup and Conditioning9.1 All components involved in the test shall
46、remain and beexposed in the controlled environment for at least 16 h beforethe start of the test.9.2 Test Chamber Cleaning ProcedureTo be performed asneeded:9.2.1 Using the vacuum cleaner or a central vacuum clean-ing system listed in 5.14, clean all surfaces of the test chamberand equipment to remo
47、ve all residual dust.9.2.2 Wipe down all surfaces of the test equipment with atack cloth or damp rag to remove any dust not removed by thevacuum cleaner.10. Vacuum Cleaners10.1 New Test Vacuum Cleaners:10.1.1 Preconditioning a New Test Vacuum CleanerRunthe vacuum cleaner in at rated voltage (61 %) a
48、nd frequency(61 Hz) with filters in place for 1 h.10.1.1.1 Preconditioning Rotating Agitator-Type VacuumCleanerIn a stationary position, operate the vacuum cleanerfor 1 h with the agitator bristles not engaged on any surface.10.1.1.2 Preconditioning a Straight Air Canister VacuumCleanerOperate the v
49、acuum cleaner for 1 h with a wide-openinlet (without hose).10.2 Used Test Vacuum Cleaners:10.2.1 Recondition a Used Vacuum CleanerBefore eachtest run:10.2.1.1 Thoroughly remove excess dirt from the vacuumcleaner. Without using tools for disassembly, clean the entireouter surface, brushes, nozzle chamber, ductwork, inside of thechamber surrounding the primary filter, and inside hose andwands.10.2.1.2 For vacuum cleaners using disposable filters as theprimary filters, use a new disposable primary filter from themanufacturer for each test.1
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