RF41_安装调试说明书手册

User's GuideWarrantyEXTECHOperationFRy星mH,e warrants this Extech Mstrme层s brand devi色如F©时d在古桥g古and workaship for ane year from由wc时中ent la sk mov的二INSTRUMENTSThis instrument measures the refractive index of a sampled war rartyapplits色整dn and d过业.信heu出b⊙wdysreton the i星w屋r信ice darig or bryand the wara与笔ia园，co星a国and displays the results in Cor Specific gravity.hwCa星am言rctD年tmen!far aatharira生m.it the web图Battery/Coolant Brix Refractometerwww.xh.cam for con山dbm显它i.ARe古mAe当aaal剁emb1.Zero Adjustmentme星tied卡量aw户a过hr层uede过wH雀半cs和Cover the prism with a few drops ofdistilled water.Claseh年sig charg,Freight,nsorarice and preper四ckaging to prewent由ogthModel RF41the cover plate and view the light/dark boundarycalT的waan与dots net a年h的出eets neatng fram acsan司htstah道ea或m户年前g年o特a立b出©到rcica tor im pr年前(shadowline).If necessary,turn the adjustment screw untilManlerance dr年dt,dr arathariatd med(fcatioon.凡sy星m料he.ttaythe shadowline aligns with the scale's zero line.The zerocalibrationshould be per formed at am bient temperatureapaie and wil no如士业w any diect,indneet inddental ar come单ndd@@i凡竹s过yim2e年dtGw位w2©yIwo过里and should be repeated every 30 minutes if theIntroductiontemperature changes.After the zero adjustment,clean theprism with a soft cloth.Calibration,Repair,and Customer CareCongatulations on your purchase of this Extech Refactometer.Predision opticalinstruments should be handled genthc avold2.Sample Preparation and ReadingServicestouching the op tical surface.Caeful use of these instrumen ts willTotake a sample reading,open the cover plate and place aprovide years of reliable sendce.few drops of the sample on the measurement prism.CloseFUR Sy tems,Inc.offers repair and calbration servikes for the Extechthe cover plate so that the liquid spreads across the entireInstruments products we sel NST certification for most poducts isSpecificationssurface of the prismXXalso provided.Call theCustomer Service Department for infomation onwithout air bubbles or drycalbration servces available for this product.AnnualcalbrtionsRange0 to -50C Propylene Glycolfreexe pointshould be perfomed to verify meter performanceand acouracy.spots.Allow the sample to0 to -50C Ethylene Glycol freeze pointTechnical support and general customer serice is also provided,referremain on the prism forto the contact infomation povided below.115 to 130 specfic gravity battery acida pproximately30s8c0n出0 to -40C deaning fuid freeze pointWhile holding theResolution12CCopyright O 2013 FUR Systems,Inc.instrument under a lightAll right Nvd induding the right d repreducticn in whde ce n part in anyDimensons63x15x12”160第40x30mm北source,look through theWeight540(180g]eyepiece.The brixwww.extech.comconcentration is determined by the intersection of theDescriptionboundary of the light and dark fields on the scale.If thescale appe ars out of focus,adjust by rotating the eyepiece1.Eyepieceuntil the scale is in focus.The instrument also features an2.Mirror Tubeeye-guard to prevent stray light from entering the3.Ad