ASTM F1284-2004 Standard Test Method for Evaluating Carpet Embedded Dirt Removal Effectiveness of Residential Central Vacuum Cleaning Systems《测定住宅中心真空吸尘设备除去地毯深处灰尘效果的标准试验方法》.pdf

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1、Designation: F 1284 04An American National StandardStandard Test Method forEvaluating Carpet Embedded Dirt Removal Effectiveness ofResidential Central Vacuum Cleaning Systems1This standard is issued under the fixed designation F 1284; the number immediately following the designation indicates the ye

2、ar 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method is applicable to residential central

3、vacuum cleaning systems intended for cleaning carpets.1.2 This test method applies only to embedded dirt removalfrom carpets.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish app

4、ro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D75 Practice for Sampling AggregatesE 11 Specification for Wire Cloth and Sieves for TestingPurposesF 608 Test Method for Evaluation of Carpet Embe

5、dded DirtRemoval Effectiveness of Household/Commercial VacuumCleanersF 655 Specification for Test Carpets and Pads for VacuumCleaner TestingF 922 Test Method for Motor Life Evaluation of an ElectricMotorized NozzleF 1038 Test Method for Motor Life Evaluation of a Canis-ter, Hand-held, Stick, and Uti

6、lity Type Vacuum CleanerWithout a Driven AgitatorF 1334 Test Method for Determining A-Weighted SoundPower Level of Vacuum CleanersF 1409 Test Method for Straight Line Movement of VacuumCleaners While Cleaning Carpets3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 cleaning abil

7、ity, nthe potential of a vacuum cleanerto remove dirt from a surface (sometimes referred to in theindustry as cleanability, dry).3.1.2 model, nthe designation of a group of vacuumcleaners having identical, mechanical and electrical construc-tion with only cosmetic or nonfunctional differences.3.1.3

8、population, nthe total of all units of a particularmodel vacuum cleaner being tested.3.1.4 sample, na group of vacuum cleaners taken from alarge collection of vacuum cleaners of one particular model,which serves to provide information that may be used as a basisfor making a decision concerning the l

9、arger collection.3.1.5 test run, nthe definitive procedure that produces asingular measured result.3.1.6 test unit, na single vacuum cleaner of the modelbeing tested.4. Significance and Use4.1 This test method provides a laboratory test for determin-ing the relative carpet dirt removal effectiveness

10、 of residentialcentral vacuum cleaning systems when tested under standardconditions and on representative types of carpets.4.2 This laboratory test method may not give a representa-tion of carpet embedded dirt cleaning effectiveness in thehome.4.3 In order to provide a uniform basis for measuringper

11、formance as described in 1.1, standardized test carpets anda standardized test dirt are employed in this procedure.1This test method is under the jurisdiction of ASTM Committee F11 on VacuumCleaners and is the direct responsibility of Subcommittee F11.21 on Cleanability.Current edition approved Marc

12、h 1, 2004. Published March 2004. Originallyapproved in 1992. Last previous edition approved in 1999 as F 1284 99.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the

13、 standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.4 The results reflect a non-loaded cleaning capability andmay not be representative of cleaning capabilities under dirtloading cond

14、itions.5. Apparatus5.1 Weighing Scale3(for weighing carpets; see 9.1.4 and12.6)The scale must be accurate to 0.035 oz (1 g) and havea weighing capacity of at least 15 lb (6.82 kg).5.2 Weighing Scale4(for weighing test dirt and non-disposable dirt receptacles; see 10.1.2 and 12.10)The scalemust be ac

15、curate to 0.0035 oz (0.10 g) and have a weighingcapacity of at least 1.1 lb (500 g).5.3 Stopwatch with a second hand, or other type of equip-ment capable of establishing the specified rate of movementand total cycle time.5.4 Voltmeter, to measure input volts to the cleaning systemto provide measurem

16、ents accurate to within 61%.5.5 Voltage Regulator System, to control the input voltage tothe vacuum cleaner. The regulator shall be capable of main-taining the vacuum cleaners rated voltage 61 % and ratedfrequency 61 Hz having a wave form that is essentiallysinusoidal with 3 % max harmonic distortio

17、n for the durationof the test.5.6 Dirt Embedment Tool, with the roller locked (see Fig. 1).5.7 Dirt DispenserDispensing system that provides theoperator with a method to distribute the test dirt uniformly onthe carpet test area.5.8 Carpet Conditioning Equipment, to support the testcarpet during new

18、carpet conditioning and the removal ofresidual dirt from the test carpet before each test run (Fig. 2).5.9 Rotating Agitator Conditioning Vacuum Cleaner/Equipment, for conditioning new test carpets and removingresidual dirt from the test carpet before each test run. Thiscannot be the unit being test

19、ed.NOTE 1Automated methods for spreading the test dirt, embedding thetest dirt, and cleaning and reconditioning the test carpets are acceptable ifthey do not change the results of this test method.5.10 Temperature and Humidity Indicators, to provide tem-perature measurements accurate to within 61F (

20、612 C) andhumidity measurements accurate to within 62 % relativehumidity.5.11 Supporting SurfaceA flat surface consisting of apiece of34-in. (19-mm) thick exterior-grade plywood with the“A” surface upward to support the test carpet and pad. The testcarpet and pad may be retained to the supporting su

21、rface, butonly the four corners, by any acceptable means.5.12 Rotating Agitator Reference Vacuum Cleaner, one, forcalibrating test carpets (see 10.4).5.13 Straight-Air Canister Reference Vacuum Cleaner, one,for calibrating test carpets (see 10.4).5.14 Orifice Adapter TubeSee Fig. 3.6. Materials6.1 S

22、tandard Carpets, conforming to Specification F 655.6.2 Standard Carpet Padding, conforming to SpecificationF 655.6.3 Test Dirt (see Annex A1).6.3.1 Silica Sand(see Annex A1).6.3.2 Talcsee (Annex A1).3The OHAUS Models GT-8000, LB30-CO and 1119D, all available fromOHAUS, Inc. Florham Park, NJ, or the

23、equivalent, have been found suitable for thispurpose. It is recommended that the scale read directly in grams.4The Mettler-Toledo Model PM 2000, available from Mettler-Toledo, Inc., Box71, Highstown, NJ, 08520. The OHAUS Model-GT-8000 available from OHAUS,Inc., Florham Park, NJ, or equivalent, have

24、been found suitable for this purpose. Itis recommended that the seal read directly in grams.FIG. 1 Dirt Embedment ToolF12840427. Sampling7.1 A minimum of three units of the same model vacuumcleaner selected at random in accordance with good statisticalpractice shall constitute the population sample.

25、7.1.1 To determine the best estimate of the cleaning abilityeffectiveness for the population of the vacuum cleaner modelbeing tested, the arithmetic mean of the cleaning ability ratingof the sample from the population shall be established bytesting it to a 90 % confidence level within 65 % of the me

26、anvalue of the cleaning ability rating.7.1.2 Annex A3 provides a procedural example for deter-mining the 90 % confidence level and when the sample sizeshall be increased.NOTE 2See Annex A3 for method of determining 90 % confidencelevel.8. Conditioning8.1 Test RoomMaintain the test room in which all

27、condi-tioning and vacuum cleaner testing is done at 70 6 5F (21 63C) and 45 to 55 % relative humidity.8.2 All components involved in the test must remain and beexposed in the controlled environment for at least 16 h prior tothe start of the test.9. Test Carpets9.1 New Test CarpetsNew test carpets sh

28、all conform toSpecification F 655.FIG. 2 Carpet Cleaning RackF12840439.1.1 Cut a sample of each test carpet to a size of 27 by 72in. (690 by 1830 mm) minimum. If the warp direction or “lay”of the carpet fiber can be determined, it shall be in the 72-in.direction as indicated in Fig. 4. Carpets shall

29、 be bound on allsides.9.1.2 Mark the test area on each carpet as indicated in Fig.4.9.1.3 Precondition new test carpet samples.9.1.3.1 Precondition the entire area of the carpet by cleaningwith the rotating agitator conditioning vacuum cleaner. Con-tinue the operation until less than2gofcarpet fiber

30、 is pickedup in 5 min.9.1.3.2 Run ten carpet-embedded dirt removal effectivenesstest runs in accordance with Section 12 before conducting testcalibrations as directed in Section 11.9.1.4 Weigh and record the preconditioned weight of thecarpet.9.2 Reconditioning Used Test Carpet Samples:9.2.1 To remo

31、ve the residual dirt and stabilize the moisturecontent, clean the carpet with a rotating agitator conditioningvacuum cleaner until its weight does not exceed its previouslymeasured, original preconditioned weight (9.1.4 by more than2 g and less than1gispicked up by the conditioning vacuumcleaner aft

32、er 4 minutes of cleaning.9.2.2 Procedure:9.2.2.1 Clean the test carpet with the rotating agitatorconditioning vacuum cleaner at a rate of 1.8 ft/s (0.55 m/s) asfollows:9.2.2.2 Place the carpet on the carpet cleaning rack (Fig. 2)with pile side down. Run the rotating agitator conditioningvacuum clean

33、er over the carpet for 2 min. concentrating on thetest area; then run the rotating agitator conditioning vacuumcleaner thoroughly over the entire area at least one time.9.2.2.3 Then place the carpet (nap up) on the pad, on theplywood supporting surface and clean it with the rotatingagitator conditio

34、ning vacuum cleaner for 2 minutes, concen-trating on the test area; then run the rotating agitator vacuumcleaner thoroughly over the entire area at least one time.9.2.2.4 Weigh the carpet.9.2.2.5 Keep alternating 9.2.2.2 and 9.2.2.3, always endingwith pile side up, until the carpet weight meets the

35、require-ments of 9.2.1.9.2.2.6 A high-cleaning performance rotating agitatorvacuum cleaner is recommended for reducing the time torecondition the test carpet.9.2.2.7 Reconditioning equipment, which uses nondispos-able filters should have the filter or filters cleaned after everyfour carpet reconditi

36、oning runs, or more often if desired.9.2.2.8 Reconditioning equipment, which uses a primarydisposable filter or primary filters should have the filter orfilters replaced after every four carpet reconditioning runs, ormore often, if required.9.3 Reconditioning Used Carpet Padding:9.3.1 Clean carpet p

37、adding by shaking after each daystesting, or more often if necessary, to remove any collected testdirt.FIG. 3 Orifice Adapter TubeF12840449.3.2 Replace carpet padding when it has holes, tears, orother signs of wear.10. Test Systems and Cleaning Tools10.1 New Test Systems and Cleaning Tools:10.1.1 Pr

38、econditioning a New SystemRun the system in atrated voltage 61 % and rated frequency 61 Hz with filters inplace for 1 h.10.1.1.1 If a rotating agitator type cleaning tool is includedwith the system, operate it for 1 h with agitator bristles notengaged on any surface.10.1.2 For systems with nondispos

39、able filters, weigh andrecord the filters original weight to the nearest 0.0035 oz (0.10g). This may not be possible with some systems in which thenondisposable filter cannot be removed.10.2 Used Test Systems and Cleaning Tools:10.2.1 Recondition a used test system prior to each test runas follows:1

40、0.2.1.1 Thoroughly remove excess dirt from the test sys-tem. Without using tools for disassembly, clean the entire outersurface, brushes, nozzle chamber, ductwork, inside of thechamber surrounding the primary filter, and inside hose andwands.10.2.1.2 Clean the entire inner surface of the wands.10.2.

41、1.3 For systems using disposable filters, use a newprimary filter for each test. Thoroughly clean the inside of thechamber surrounding the primary filter each time the filter isreplaced.10.2.1.4 For systems using cloth filter bags or other types ofnondisposable dirt receptacles, empty according to m

42、anufac-turers instructions after each test run, and clean the cloth filterbag or nondisposable dirt receptacle until its weight is within0.07 oz (2 g) of its original weight (see 10.1.2). Thoroughlyclean the inside of the chamber surrounding the primary filterand reinstall the filter.10.3 Test Syste

43、m and Tool Settings:10.3.1 Test System SettingsIf various settings are pro-vided, set the motor speed setting, suction regulator, nozzleheight, or combination thereof, using the manufacturers speci-fications as provided in the instruction manual for each type ofcarpet. Contact the manufacturer if no

44、 instructions are given, orif the instructions are unclear or inadequate.10.4 Reference Cleaners or Systems (Calibration):10.4.1 Use the reference vacuum cleaners only for deter-mining the reference rating of carpets and for the verification ofcarpet acceptability.10.4.2 Maintain the performance of

45、the reference vacuumcleaners throughout the carpet calibration period.11. Test Carpet Calibration11.1 The purpose of calibration is to determine when thecarpet needs to be replaced by establishing a reference ratingfor each new preconditioned test carpet and to check this ratingevery 50 or fewer tes

46、t runs.11.2 The reference ratings are determined for each testcarpet by the percent pickup using the reference rotatingagitator vacuum cleaner or system and the reference straight airvacuum cleaner or system.11.3 This percent pickup is determined by performing acleaning effectiveness test (see Secti

47、on 12).11.4 Repeat the test carpet calibration procedure on thecarpets every 50 or fewer test runs.11.5 When the pickup for either reference vacuum cleaneror system varies by 4 g from the original reference rating forthe carpet, replace the carpet.12. Carpet-Embedded Dirt Removal Effectiveness Test1

48、2.1 Set up the system as shown in Fig. 5. On the intakeside, use an orifice tube adapter terminating with a wall inletvalve. Insert into the wall valve a flexible cleaning hose asprovided with the system. The hose, wands, and nozzle shouldbe those normally offered with the particular unit being test

49、ed.If more than one hose, wand, or nozzle type is offered with theunit, the manufacturers part, catalog or model number of theductwork, fittings, hose, wands, and nozzle used in the testmust be recorded and presented as part of the cleaningeffectiveness rating.12.1.1 The hose should be laid out straight along the floor ofthe test area, except for the excess required to convenientlymove the cleaning tool in the desired manner. This excess hoseshould be allowed to fall naturally at the testers feet duringactual stroking procedure. Allowance must be made

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