1、Designation:F169201(Reapproved 2011)An American National StandardStandard Test Method forLife Evaluation of a Turbine-Powered Nozzle for HouseholdCentral Vacuum Cleaning Systems1This standard is issued under the fixed designation F1692;the number immediately following the designation indicates the y
2、ear 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 covers the turbine-powered nozzleused in ho
3、usehold central vacuum cleaning systems.1.2 This test method provides a test for determining theoperating turbine life in hours by an accelerated laboratoryprocedure.The turbine is tested while mounted and operated inthe power nozzle.1.3 This test method covers only the turbine-powerednozzle.The sys
4、tem used to provide the airflow source is notunder consideration.1.4 This test method is limited to the determination ofturbine life for a household turbine-powered nozzle.1.5 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation o
5、nly.1.6 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 appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced D
6、ocuments2.1 ASTM Standards:2D75 Practice for Sampling AggregatesE337 Test Method for Measuring Humidity with a Psy-chrometer(the Measurement of Wet-and Dry-Bulb Tem-peratures)F431 Specification for Air Performance Measurement Ple-num Chamber for Vacuum CleanersF608 Test Method for Evaluation of Carp
7、et Embedded DirtRemovalEffectivenessofHousehold/CommercialVacuum CleanersF655 Specification for Test Carpets and Pads for VacuumCleaner Testing3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 turbine stoppagefor turbine-powered nozzles,anyfailure integral with the turbine assemb
8、ly such as housing(s),bearings,or any other component judged to be integral with theturbine.4.Significance and Use4.1 The test results provide an indication of the turbine-powered nozzle life.The end of turbine life will be judged inaccordance with 3.1.1.5.Apparatus and Materials5.1 Voltage Regulato
9、r Systemto control the input voltageto the vacuum cleaner or airflow source.The regulator must becapable of maintaining the vacuum cleaner or the airflowsources rated voltage 61%and rated frequency 61 Hz witha waveform that is essentially sinusoidal with 3%maximumharmonic distortion for the duration
10、 of the test.5.2 Voltmeter,to provide measurements accurate to within61%.5.3 Timer and Switch,having the capacity to control theoff/on duty cycle of the nozzle and airflow source during thelife test.5.4 Wattmeter,to provide measurements accurate to within61%.5.5 Sharp-Edge Orifice PlateThe orifice,1
11、14-in.(32-mm)diameter,shall be in accordance with the orifice plate illus-trated in Specification F431.5.6 Plenum Chamber,conforming to the plenum chamberspecifications stated in Specification F431.5.7 Water Manometer,or equivalent instrument,measuringin increments of 0.1 in.(2.54 mm).5.8 Barometer,
12、with an accuracy of 60.05 in.(1.27 mm)Hg,capable of measuring uncorrected barometric pressure(teststation pressure)with scale divisions of 0.02 in.(0.51 mm)orfiner.1This test method is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct responsibility of Subcommittee F11.
13、30 on Durability-Reliability.Current edition approved Nov.1,2011.Published March 2012.Originallyapproved in 1996.Last previous edition approved in 2006 as F1692 01(2006).DOI:10.1520/F1692-01R11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serv
14、iceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.9 Thermometer,having a range from at least 18 to 80F(8 to+27
15、C)and graduated in 1F(0.5C)increments.5.10 Psychrometer,meeting the requirements of TestMethod E337,with thermometers graduated in increments of1F(0.5C).5.11 Test Carpet,conforming to the specifications for levelloop carpet as described in Specification F655.A carpet thatprovides equivalent nozzle l
16、oading results may be used.5.12 Test Carpet Padding,conforming to the padding de-scribed in Specification F655.5.13 Test Cleaner or Airflow SourceThe turbine nozzlelife evaluation tests shall be conducted using the airflow sourceand voltage resulting from the components that compose thecombination system with which the turbine nozzle is to beused.If used with several systems,the one with the maximumairflow shall be used.5.13.1 OptionA simulated airflow source and adjustedvoltage may be used if t
