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【英文标准名称】:StandardPracticeforMeasuringSurfaceAtmosphericTemperaturewithElectricalResistanceTemperatureSensors
【原文标准名称】:用电阻温度感应器测量表面大气温度的标准规程
【标准号】:ASTMD6176-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D22.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:地球表面;空气温度;电温度计;阻尼式温度计;热敏电阻;大气的
【英文主题词】:airtemperature;platinumresistancethermometer;resistancethermometer;solarandterrestrialradiationshields;thermistor;
【摘要】:Applications8212;Ambientatmospherictemperaturemeasurementscanbemadeusingresistancethermometersformanypurposes.Theapplicationdeterminesthemostappropriatetypeofresistancethermometeranddatarecordingmethodtobeused.Examplesofthreetypicalmeteorologicalapplicationsfortemperaturemeasurementsfollow.4.1.1Single-level,near-surfacemeasurementsforweatherobservations(1)3,thermodynamiccomputationsforindustrialapplications,orenvironmentalstudies(2).4.1.2Temperaturedifferentialorverticalgradientmeasurementstocharacterizeatmosphericstabilityforatmosphericdispersionanalysesstudies(2).4.1.3Temperaturefluctuationsforheatfluxortemperature,orvariancecomputations,orboth.Measurementsofheatfluxandtemperaturevariancerequirehighprecisionmeasurementswithafastresponsetochangesintheambientatmosphere.Purpose8212;Thispracticeisdesignedtoassisttheuserinselectinganappropriatetemperaturemeasurementsystemfortheintendedatmosphericapplication,andproperlyinstallingandoperatingthesystem.Themanufacturer’recommendationsandtheU.S.EnvironmentalProtectionAgencyhandbookonqualityassuranceinmeteorologicalmeasurements(3)shouldbeconsultedforcalibrationandperformanceauditprocedures.1.1Thispracticeprovidesprocedurestomeasurerepresentativenear-surfaceatmospheric(outdoorair)temperatureformeteorologicalpurposesusingcommonlyavailableelectricalthermometershousedinradiationshieldsmountedonstationaryorportablemastsortowers.1.2Thispracticeisapplicableformeasurementsoverthetemperaturerangenormallyencounteredintheambientatmosphere,-50to+50176;C.1.3Airtemperaturemeasurementsystemsincludearadiationshield,resistancethermometer,signalcables,andassociatedelectronics.1.4Measurementscanbemadeatasinglelevelforvariousmeteorologicalpurposes,attwoormorelevelsforverticaltemperaturedifferences,andusingspecialequipment(atoneormorelevels)forfluctuationsoftemperaturewithtimeappliedtofluxorvariancemeasurements.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A46
【国际标准分类号】:17_200_20
【页数】:5P.;A4
【正文语种】:


Product Code:SAE AS7116/3
Title:National Aerospace and Defense Contractors Accreditation Program, Requirements for Electrical Discharge Machining (EDM) (Cancelled Jul 2008)
Issuing Committee:Nadcap Management Council
Scope:This Aerospace Standard (AS) is to be used to supplement AS7116. In addition to the requirements contained in AS7116, the requirements contained herein shall apply to suppliers seeking NADCAP accreditation for electrical discharge meachining (EDM). The EDM requirements contained herein address the wire, sinker and fast hole EDM process methods.