ASTM F457-2004 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

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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
【标准状态】:现行
【国别】:
【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】:仪器装置;数字的;摩托车;校正;彼此间隔的;速度;轮子;试验;模拟;轮胎
【英文主题词】:analog;calibration;digital;distance;fifthwheel;speed
【摘要】:Thistestmethodmaybeusedforcalibrationofspeedanddistancemeasurementsystemsusedontiretestvehiclesandtiretesttrailers,oranyland-basedvehiclethatcontactstheroadandthatusesatrailing-wheelsystemformeasurementofspeedanddistance.Thistestmethodappliesonlytohard,dry,smoothsurfacesandisnotaccurateforhighlycurvedvehiclepaths.Thistestmethoddoesnotencompassopticaltypesofdevices.1.1Thistestmethodcoversthedeterminationofvehiclespeedandcumulativedistancetraveledusingadevicetermedafifthwheelandusingappropriateassociatedinstrumentation.1.2Thistestmethodalsodescribesthecalibrationtechniqueapplicabletodigitaloranalogspeedanddistancemeasurementsystemsemployingafifthwheel.1.3ThevaluesstatedinSI(millimetre-kilogram)unitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection.
【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】: