合肥LECO分析儀采購(gòu)

Instrumentcalibration/driftcorrection.a.Loginaminimumof3Standardreplicates.b.Weigha~1.000gramofacalibration/driftstandard,enterthemassandstandardidentificationintoappropriatereplicatefields.c.PresstheAnalyzebuttonontheinstrumentscreen.Afterashortdelay,theloadingheadslide-blockwillopen.d.Placethecalibration/driftstandardintotheopenportatthetopoftheloadinghead.e.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.分析儀，就選上海禹重實(shí)業(yè)有限公司，讓您滿(mǎn)意，歡迎您的來(lái)電哦！合肥LECO分析儀采購(gòu)

SamplePreparationTypically,titaniumandzirconiumsamplesarechemicallyetchedtoremovesurfacecontaminationwhenoxygenandnitrogenaredetermined.However,etchingcanintroducehydrogenintothesample.ASTMmethodE1409"DeterminationofOxygenandNitrogeninTitaniumandTitaniumAlloysbytheInertGasFusionTechnique",asupdatedin1996,permitseitheretchingorabrading(filing)ofthetestspecimen.ASTME1447"DeterminationofHydrogeninTitaniumandTitaniumAlloysbytheInertGasFusionThermalConductivity/InfraredDetectionMethod"permitssurfacepreparationbyabrading(ifnecessarytoremovecontamination).DifferencesinsamplepreparationpresentsomewhatofadilemmaregardingsimultaneousdeterminationofO,N,andHintitanium.However,abradingsampleswithafiletoremovesurfacecontaminationwillyieldaccurateO,N,andHresults.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.合肥LECO分析儀采購(gòu)上海禹重實(shí)業(yè)有限公司為您提供分析儀，歡迎新老客戶(hù)來(lái)電！

SamplePreparationSamplingandsamplepreparationofrefractorymetalssuchastitaniumandzirconiumissomewhatdifferentfromthatofsteel.Unlikesteelsamples,hydrogenisnotasmobileinthisgroupofmaterials;therefore,storageinliquidnitrogenordryiceisnotrequired.However,itisimportanttokeepthesamplecoolwhencuttingorsectioning.Samplepreparationforoxygenandnitrogendeterminationhasbeendifferentfromthatofhydrogendetermination.

InstrumentHighlightsandFeaturesFeaturesandBenefitsLEDlightringilluminatesthefurnaceareaChoiceofeitherargonorheliumcarriergasNovelelectrodedesignincreasesheattransferefficiencyforincreasedstabilityNon-touchinterfacesystemsarealsoavailableUser-friendlybrandsoftwareHigh-PerformanceDetectorDesignThermostaticconstructionprovidesincreasedprotectionfromambienttemperaturefluctuationsOptimizedemittercontrolanddetectioncircuitryimprovestheIRcelllifetimeandlong-termstability,resultinginsuperioraccuracyandprecisionInfrareddetectionforthedeterminationofoxygen,thermoconductivitydetectionforthedeterminationofnitrogen上海禹重實(shí)業(yè)有限公司致力于提供分析儀，歡迎您的來(lái)電！

Instrumentcalibration/driftcorrectionf.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.g.Firmlyplaceagraphitecrucibleonthelowerelectrodetip.h.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.i.Repeatsteps3bthrough3haminimumofthreetimesforeachcalibration/driftstandardused..Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.分析儀，就選上海禹重實(shí)業(yè)有限公司，用戶(hù)的信賴(lài)之選，有想法的不要錯(cuò)過(guò)哦！安慶力可LECO氧氮?dú)浞治鰞x供應(yīng)商

分析儀，就選上海禹重實(shí)業(yè)有限公司，用戶(hù)的信賴(lài)之選，有想法可以來(lái)我司咨詢(xún)！合肥LECO分析儀采購(gòu)

氧氮?dú)浞治鰞x的常見(jiàn)故障及解決方法：氧和氮空白值超過(guò)20。這是由于氣流小，不能將爐子中的空氣驅(qū)趕出去。可調(diào)節(jié)氣體流量，調(diào)節(jié)載氣壓力在0.2~0.4MPa。接通儀器載氣，放一個(gè)石墨坩堝在下電極上，打開(kāi)主電源開(kāi)關(guān)，點(diǎn)擊軟件上的關(guān)爐按鈕，關(guān)閉爐子并等待10s。調(diào)節(jié)流量調(diào)節(jié)器，直到流量計(jì)a顯示為30L／h，打開(kāi)爐子。調(diào)節(jié)調(diào)節(jié)器直到流量計(jì)b顯示為50L／h，再次關(guān)閉爐子。如果以上設(shè)置不穩(wěn)定，則增加流量至100L／h，反復(fù)調(diào)節(jié)直至儀器穩(wěn)定。合肥LECO分析儀采購(gòu)

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