RF40_安装调试说明书手册

User GuideOperationSpecificationsEXTECHThe instrument measures the refractive index of the sample.R阳nWe.60 to 32'F for Propylene andEINSTRUMENTSEthylene ool feezepoint1 Zero Adjustment115to 130 specifc gravity of battery addPlace one or two drops of distiled wateron the prism.CloseResolution2午colfezepointBattery/Coolant Refractometer with ATChecover pl由te and ro中te theadjusting scew0 thatthe0.01spedific gravty of battery acidlight/dark bound ary Ines up with the watertine".Once theModel RF40xero adjustment has been completed,dean theprsm withDimensions621512”1604030mmsoft dothWeight7.0022002.Sample Preparation and ReadingWarrantyTo take asample eading,simply place a few dops of asample liguld on the measurement prsm at theend of theinstrument.Close the coverso the lliquld speads actoss thed同在边桥a古Gnd心kmaship for ane year fom由w©时中ml位kon出时a和2yGFi的装信c的d世c士出W.W信ou出owNt台ay的entire surface of the prism without air bubbles or dry spots.reto the i2 ument for s信ice darig e时如yand the waran与efad,co2aAllow the sample to remain on the prism for approodimately 30加Ca星am的SgtD年amnl位@oaa此养.1皇twwseconds.www.exbech.car fov can女c过h6m星bm.AR古n Aathar ira sian (RA)namberIntroductionNe星e hsad befo量dw户ac的r层ed mhesend的Hm￥osk和While holding theins trument under alight source,looikh年sig charg,Irigh,isarance and proper四c如ing to prewin!由四gtCongrtulations on the purchase of the RF40 Battery/Coolantthough theeyeplece.【oalT的wawan与dors nota年hs出h的e业ng fram aesian o the aserRefractometer with automatic temperature compensation.ThiThe freering point ofBadBadGoodh画ea6mp年g年oe特ab©￥cifeation impr年predision optical instrument should be handled gently;avoldtheliquid orthe statemaitrance ar年ut,ar anatha起ded生.凡提sy星m料het在aytouching the optcal surface.Careful use of this instrument willof the battery lquid idixlaimi any ip世atate ar merdia星士yaF尚sor aipe(iprovide years of reliable servce.detemmined by thepurpase and wil re!如过le for any dreet indireet,inddental ar core中nddogi凡时s过过f与Hm2de年atcr雀atm层c时fthe pro过过intersection of theT加aran与&相h士wve B inclrsive@过ech的awranty,whe的n想的boundary of the lightDescriptionand darkfieldsnown as theCalibration,Repair,Customer Careshadowline)on theprinted scale.If theFUR Systems,Inc.offers repair and calbration servkes forthe Extech1 Pyeplecescale appears out of foous,the eyeplece may be adjusted byInstruments products we sel.NIST certification formost poducts is2 Mrror tuberotating theknurled portion.The instrument alo features analso provided.Call theCustomer Service Department for infomation on玉Adjus tment Screweye guard to pevent stay light from antering theeyepiececalbration services available for this product.Annualcalbrtions4.Cover plateand causing reflections.should be perfomed to verify meter performanceand acouracy.5.PrismIt may be necessary to ad just the position of the light sourceto maximize the contrast of the shadowine.Under nomalconditons,optimalcontrast is obtained by holding theinstrument underneath and perpendtcularto a lght source5 pport Lines:U.5.s