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【英文标准名称】:StandardTestMethodforSpeedandDistanceCalibrationofFifthWheelEquippedWithEitherAnalogorDigitalInstrumentation
【原文标准名称】:装有模拟或数字测量仪器的测速轮的速度及距离校准的标准试验方法
【标准号】:ASTMF457-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F09.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:analog;calibration;digital;distance;fifthwheel;speed;Analoginstrumentation/analysis;Automobile;Calibration--rubberanalysisinstrumentation;Digitalinstrumentation;Distance;Fifthwheeltest;Instrumentalmeasurement--rubbermaterials/applicat
【摘要】:Thistestmethodmaybeusedforcalibrationofspeedanddistancemeasurementsystemsusedontiretestvehiclesandtiretesttrailers,oranyland-basedvehiclethatcontactstheroadandthatusesatrailing-wheelsystemformeasurementofspeedanddistance.Thistestmethodappliesonlytohard,dry,smoothsurfacesandisnotaccurateforhighlycurvedvehiclepaths.Thistestmethoddoesnotencompassopticaltypesofdevices.1.1Thistestmethodcoversthedeterminationofvehiclespeedandcumulativedistancetraveledusingadevicetermedafifthwheelandusingappropriateassociatedinstrumentation.1.2Thistestmethodalsodescribesthecalibrationtechniqueapplicabletodigitaloranalogspeedanddistancemeasurementsystemsemployingafifthwheel.1.3ThevaluesstatedinSI(millimetre-kilogram)unitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:T39
【国际标准分类号】:43_020
【页数】:4P.;A4
【正文语种】:英语