EcoTestr使用说明书手册uctions-HighTDS

®三二▣Testr/TDS HIGHOperating Instructions EcoTestr TDS High Waterproof Pocket TesterBefore First Use:Soak sensor for 2 minutes in alcohol to semove stans/oils.Rinse indean water.BateycoverTTesting:1.Remove cap and pressto tumn on the tester22.Dip sensor fully into the test sdlutionut and puh甲Figure 1:3.Stironce and let the reading stabilize Note the measured value4.To hold reading,pressScreen flashes HD once,then displays measurementuRemoving battery coveto change baterieswith blinking unit (ppt)to indicate that testeris in the hold mode Pressagain tocancel hdd mode (HC)Changing Batteries:5.Press(to shut the tester off1.To emove batteses,lift up the front battery cover to selease the front catch.Push upNote:Tester automatically shutsoffafter85 minuesof non-use to consene batteriesand hold in that position2 Next,lift the pocket dip to selease the back catch and slide upwards to remove the®TDS Factor Setting:The EcoTestr TDS High has a default fac tor setting of071.If this isbattery cover (Figue 1)suitable for your applcation,please skip this section and proceed on to calibrate.⑨3.Repllace old batteies with fresh ones Note pollarity as shown in battery compartment1.Press(()to tumn off the tester4.No re-calibration s required after battery change.The tester's non-volatile memory2.Press and hold ,then pressto tumn the tester on The display shows bdsfunction retains calbation settings3.Press to scrol to TDs factor value4.Release and wait for the auto confirma tionError Messages:5.o abort TDS factor setting.pessto escape (ESC)1.bAt-Battees ase weak and need seplacement2Er -Calibration is performed in solution value below5%offull-scale angeCalibration:The testeris factory calibrated.However to ensure acouracy,egularUse higher value calibration standardcalibation飞recommendedFauty temperature sensor1.Soak sensor for 10 minutes in alcohol to emove stans/oils.Rinse in dean water and3.D--Overrange signal for measurements performed above theful-scale angeblot sensor dry2.Press)to turn on the testerReset Option:Reset option allows you to restore the calibration back to factory3.Dip sensor fully into standad solution and wait for the value to stabilizedefault settings.4.Press to enter the calibration sequence Display flashesCFL momentariy and1.Pes⑨to tum off testerthen shows a flashing default reading2 Pess and hold,then pess(to tum the tester on.The display shows a5.Press o scrol to the standad solution valueflashingrSt(seset)6.Felease and wait for the auto confirmation3.Pess agan to confirm reset (Ent)or press toescape (ESC)resetoption7.To abortcalibration,press to escape (ESC)8.You have successfully calibrated the instrumentWarranty:Thi tester is supplied with a warranty against manufacturing defects for aperiod of ONE year from date of purchaseMaintenance:Clean the stainless steel sensor by periodically rinsing them in alcoholfor 10-15 minutes.Rinse sensor in dean water after each useAccessories:EutechOaktonUseful Notes:To avoid cross contamination,rinse bet