EcoTestr使用说明书手册uctions-LowTDS

®三二▣Testr/TDS LoWOperating Instructions EcoTestr TDS Low Waterproof Pocket TesterBefore First Use:Soak sensor for 2 minutes in alcohol to semove stans/oils.Rinse indean water.BateyTesting:1.Remove cap and pressto tum on the tester里p2utand pauh甲2.Dip sensor fully into the test sdlutionFigure 1:3.Stironce and let the reading stabilize Note the measured valueSwp 1Removing batery cove4.To hold reading.pressScreen fashes HD once,then displays measurementwithto change四naegblinking unit (ppm)to indicate that tester is in the hold mode.Pess again tocancel hdd mode (HC)Changing Batteries:5.Press o shut the tester off1.To emove batteses,lift up the front battery cover to selease the front catch.Push upand hold in that positionNote:Tester automatically shutsoffafter85 minuesof non-use to consene batteries2 Next,lift the pocket dlip to selease the back catch and slide upwards to remove thebattery cover (Figuse 1)®TDS Factor Setting:The EcoTestr TDS Lowhas a defaut factor settng of0.71.If this issuitable foryour applcation,please skip this section and proceed on to callibrate.3.Replace old battees with fresh ones.Note polarity as shown in battery compartment⑨1.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 valueError Messages:4.Release and wait for the auto confirma tion1.bAt-Battesies ase weak and need seplacement5.o abort TDS factor setting.pessto escape (ESC)2 Er -Calibration is performed in solution value below5 offullscale angeCalibration:The testeris factory calibrated.However to ensure acouracy,egularUse higher value calibration standardcalibation飞recommended-Fauty temperature sensor1.Soak sensor for 10 minutes in alcohol to emove stans/oils.Rinse in dean water and3.D-Over range signal for measurements performed above the full-scale angeblot sensor dryReset Option:Reset option allows you to restore the callibration back to factory2.Press)to turn on the testerdefault setting至3.Dip sensor fully into standad solution and wait for the value to stabilize1.Pes⑨to tum off tester4.Press to enter the calibration sequence Display flashesCFL momentariy and2 Pess and hold,then pess(to tum the tester on.The display shows athen shows a flashing default readingflashingrSt(eset)5.Press o scrol to the standad solution value主Pes合g9 n o confirm reset(Ent)or press○toescape(E)resetoption6.Felease and wait for the auto confirmation7.To abortcalibration,press to escape (ESC)Warranty:This tester is supplied with a warranty against manufacturing defects for a8.You have successfully calibrated the instrumentperiod of ONE year from date of purchaseMaintenance:Clean the stainless steel sensor by periodically rinsing them in alcoholAccessories:for 10-15 minutes.Rinse sensor in dean water after each useEutechOaktonOrder CodeOrder CodeDescriptionUseful Notes:To avoid cross contamina