【英文标准名称】:StandardPracticeforCalibrationofLinearDisplacementSensorSystemsUsedtoMeasureMicromotion
【原文标准名称】:用于测量微移动用直线位移传感器系统的刻度标准实施规范
【标准号】:ASTMF2537-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F04.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;displacement;instrumentation;measurement;micromotion;sensor;transducer
【摘要】:Lineardisplacementsensorsystemsplayanimportantroleinorthopedicapplicationstomeasuremicromotionduringsimulateduseofjointprostheses.Lineardisplacementsensorsystemsmustbecalibratedforuseinthelaboratorytoensurereliableconversionsofthesystemx2019;selectricaloutputtoengineeringunits.Lineardisplacementsensorsystemsshouldbecalibratedbeforeinitialuse,atleastannuallythereafter,afteranychangeintheelectronicconfigurationthatemploysthesensor,afteranysignificantchangeintestconditionsusingthesensorthatdifferfromconditionsduringthelastcalibration,andafteranyphysicalactiononthesensorthatmightaffectitsresponse.Verificationofsensorperformanceinaccordancewithcalibrationshouldbeperformedonaperusebasisbothbeforeandaftertesting.Suchverificationcanbedonewithalessaccuratestandardthanthatusedforcalibration,andmaybedonewithonlyafewpoints.Lineardisplacementsensorsystemsgenerallyhaveaworkingrangewithinwhichvoltageoutputislinearlyproportionaltodisplacementofthesensor.Thisprocedureisapplicabletothelinearrangeofthesensor.Recommendedpracticeistousethelineardisplacementsensorsystemonlywithinitslinearworkingrange.1.1Thispracticecoverstheproceduresforcalibrationoflineardisplacementsensorsandtheircorrespondingpowersupply,signalconditioner,anddataacquisitionsystems(lineardisplacementsensorsystems)foruseinmeasuringmicromotion.Itcoversanysensorusedtomeasuredisplacementthatgivesanelectricalvoltageoutputthatislinearlyproportionaltodisplacement.Thisincludes,butisnotlimitedto,linearvariabledifferentialtransformers(LVDTs)anddifferentialvariablereluctancetransducers(DVRTs).1.2Thiscalibrationprocedureisusedtodeterminetherelationshipbetweenoutputofthelineardisplacementsensorsystemanddisplacement.Thisrelationshipisusedtoconvertreadingsfromthelineardisplacementsensorsystemintoengineeringunits.1.3Thiscalibrationprocedureisalsousedtodeterminetheerrorofthelineardisplacementsensorsystemovertherangeofitsuse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L15
【国际标准分类号】:17_020
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:SpecificationforNonrigidVinylChloridePolymerTubing
【原文标准名称】:氯乙烯非硬性聚合物管材规范
【标准号】:ANSI/ASTMD922-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:绝缘;绝缘管;氯乙烯
【英文主题词】:Coatings;Electricalengineering;Electricalinsulation;Insulatingtubes;Insulationpipes;Insulations;Pipecoatings;Pipes;Plastics;Polymers;Vinylchloride
【摘要】:Thisspecificationcoversnonrigidtubingofvinylchloridepolymeroritscopolymerswithothermaterialsforuseinelectricalinsulationinthreegrades,asfollows:GradeA--General-purpose.GradeB--Low-temperature.GradeC--High-temperature.Note1--ThisstandardissimilarbutnotidenticaltoIEC60684-3-100to-105.
【中国标准分类号】:G33
【国际标准分类号】:29_035_20
【页数】:
【正文语种】:英语