EcoTestr使用说明书手册uctions-Low

®三二口TestP/EC LOWOperating Instructions EcoTestr EC Low Waterproof Pocket TesterBatery里p2Before First Use:Soak sensor for 2 minutes in alcohol to emove stains/oils Rinse inutand pauh甲dean water.Figure 1:Swp 1Removing batery coveto change四naegTesting:1.Femove cap and press to turn on the testerChanging Batteries:2.Dip sensor fully into the test sdution1.To emove batteses,lift up the front battery cover to selease the front catch.Push up3.Stironce and let the reading stabilize Note the measured valueand hold in that position4.To hold reading,pressScreen flashes HD once then displays measurement2 Next,lift the pocket dlip to selease the back catch and slide upwards to remove thebattery cover (Figuse 1)®with blinking unit (to indicate that tester is in the hold mode Pess agan tocancel hdd mode (HC)3.Replace old batteies with fresh ones.Note polarity as shown in battery compartment⑨5.Press((to shut the tester off4 No re-calibration s required after battery change.The tester's non-volatile memoryNote:Testr auomatically shutsoffafter85 minuesofnon-use to corsene bateries.function retains calbation settingsError Messages:Calibration:The testeris factoy calibrated.However to ensure accuracy,egular1.bAt-Battesies ase weak and need seplacementcalibtion is secommended2 Er -Calibration is performed in solution value below5 offullscale ange1.Soak sensor for 10 minutes in alcohol to emove stains/oils Rinse in dlean water andUse higher value calibration standardblot sensor dry-Fauty temperature sensor2.Press((to tumn on the tester3.D-Over range signal for measurements performed above the full-scale ange3.Dip sensor fully into standad solution and wait for the value to stabilize4.Press to enter the calibration sequence Display flashes CAL momentariy andReset Option:Reset option allows you to restore the callibration back to factorydefault setting至then shows a flashing default reading1.Pes⑨to tum off tester5.Press o scrol to the standad solution value2 Pess and hold,then pess(to tum the tester on.The display shows a6.Felease and wait for the auto confirmationflashingrSt(eset)7.To abortcalibration,press (to escape (ESC)主Pes合g9 n o confirm reset(Ent)or press○toescape(E)resetoption8.You have successfully calibrated the instrumentWarranty:This 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:EutechOaktonOrder CodeOrder CodeDescriptionUseful Notes:To avoid cross contamination,rinse between samples and calibrationECCON 100BTstandards with de-ionized water100 uS/em KO calbration soutionECCON141380553-181413 uS/em KC calbeation solution⊕