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IEC 60051-1-1997 直接作用模拟指示电测量仪表及其附件第1部分:定义和对所有部分通用的一般要求

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【英文标准名称】:Directactingindicatinganalogueelectricalmeasuringinstrumentsandtheiraccessories-Part1:Definitionsandgeneralrequirementscommontoallparts
【原文标准名称】:直接作用模拟指示电测量仪表及其附件第1部分:定义和对所有部分通用的一般要求
【标准号】:IEC60051-1-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;电学测量仪表;指示器;模拟测量;模拟测量;精密度;模拟指示;附件;测量仪器;仪表;定义;直接测量;规范(验收);试验;测量;指示
【英文主题词】:Accessories;Analogueindication;Analoguemeasurements;Definitions;Directmetering;Electricalengineering;Electricalmeasuringinstruments;Indications;Indicators;Instrumentscales;Measurement;Measuringinstruments;Meters;Precision;Scales;Specification(approval);Testing
【摘要】:Thisstandardappliestodirectactingindicatingelectricalmeasuringinstrumentshavingananaloguedisplay,suchas:-ammetersandvoltmeters;-wattmetersandvarmeters;-frequencymetersofpointerandvibrating-reedtypes;-phasemeters,power-factormetersandsynchroscopes;-ohmmeters,impedancemetersandconductancemeters;-multi-functioninstrumentsoftheabovetypes.Italsoappliestocertainaccessoriesusedwiththeseinstruments,suchas:-shunts;-seriesresistorsandimpedanceelements.Ifotheraccessoriesareassociatedwithinstruments,thisstandardisapplicabletothecombinationoftheinstrumentandtheaccessoryprovidedthattheadjustmentshavebeenmadeforthecombination.Thisstandardalsoappliestoadirectactingindicatingelectricalmeasuringinstrumentwhosescalemarksdonotcorresponddirectlytoitselectricalinputquantity,providedthattherelationshipbetweenthemisknown.Thisstandardalsoappliestoinstrumentsandaccessorieshavingelectronicdevicesintheirmeasuringand/orauxiliarycircuits.ThisstandarddoesnotapplytospecialpurposeinstrumentswhicharecoveredbytheirownIECstandards.ThisstandarddoesnotapplytospecialpurposedeviceswhicharecoveredbytheirownIECstandardswhentheyareusedasaccessories.Thisstandarddoesnotcontaineitherrequirementsforprotectionagainstenvironmentalconditionsortherelevanttests.However,whennecessary,andthenonlybyagreementbetweenthemanufacturerandtheuser,teststoapproximatetheconditionsofusemaybeselectedfromIEC60068.Thisstandarddoesnotspecifyrequirementsconcerningdimensionsofinstrumentsoraccessories(fortheformer,seeIEC60473).
【中国标准分类号】:N20
【国际标准分类号】:01_040_17;17_220_20
【页数】:81P.;A4
【正文语种】:英语


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Product Code:SAE AMS3327
Title:Fluorosilicone (Fvmq) Rubber, High Temperature Fuel and Oil Resistant 70-80
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a fluorosilicone (FVMQ) rubber in the form of sheet, strip, and molded shapes.【英文标准名称】:StandardTestMethodforAnalysisofTanneryLiquors
【原文标准名称】:鞣皮厂液剂分析的标准试验方法
【标准号】:ASTMD6408-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D31.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:鞣皮厂液剂;鞣皮液体;单宁分析;植物单宁分析;单宁;酸度
【英文主题词】:acidity;tanneryliquor;tanningliquor;tannins;tanninanalysis;vegetabletanninanalysis
【摘要】:Thistestmethodisusedtodeterminethechemicalpropertiesoftanneryliquorswhicharerelevantforthevegetabletanningprocessandinfluencetheastringencyofvegetabletanningliquors.Theastringencyofliquorsisdependentuponthesolidsandtannincontentandtheacidity.Thismethodprovidesastandardprocedurefordeterminingthesepropertiesforanysampleofvegetabletanningliquor.Thespecimensarealiquotsfromtheanalyticalsolutionpreparedfromthesampleoftanneryliquorcollectedforthispurpose.Thetotalsolids,solublesolids,andnon-tanninscontentaredeterminedandthenthetannincontentoftheliquorsampleiscalculated.BecausetheamountoftanninperliterofanalyticalsolutionislessthanthatrequiredforTestMethodD6401,atablespecifyingthequantityofpreparedhidepowdertobeusedforsolutionswithlowertanninconcentrationsisincludedinthistestmethod.ThetotalacidityoftheliquorsampleisdeterminedbyoneoftwotitrametricproceduresdescribedinTestMethodD6410.Theresultsofthistestmethodaredependentonagreatmanyvariablesbutparticularlyupon:thetemperatureconditionsunderwhichthesolutionswerepreparedandstoredandthetemperatureatwhichthecurrentanalysisisperformed;theuniformityandconsistencyoftheKaolinpastelayerdepositedontothefilterpaper;therateofsolutionrun-outfromthepipette;conditionsrelatedtothepropertiesofthehidepowderusedtoreactwiththetannincontentofthesolution;etc.Itis,therefore,essentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsbothamongspecimenswithinalaboratoryandforanalysesbetweenlaboratories.1.1Thistestmethodcoverstheanalysisoftanneryliquorsmadeupfromvegetabletanningmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z23
【国际标准分类号】:59_140_10(PROCESSESANDAUXILIARYMATERIALS)
【页数】:3P.;A4
【正文语种】: