Model PHB-4 Portable pH Meter Operation Manual
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CongratulationsonyourpurchasedmodelPHB-4portablepHmeterhereinaftercalled“themeter”fromShanghaiSan-XinInstrumentation,Inc.pHvalueasameasurementindicationwhichismeasuringacidityandalkalinityforwatersolution.ThesolutionwhichpHvalue=7isneutral,pH<7isacidicandthevalueissmaller,theacidicisstronger;pH>7isalkalineandthepHvalueislarger,thealkalineisstronger.ItneedstomeasurepHvalueingreatmanyfieldssuchasindustrial,agriculture,physic,environmentalprotectingandscientificresearchetc.Thereisamicroprocessorchipinsidethemeteranditsappearancelooksgoodwitheasilyoperation.Fornotablefeaturesreadasfollows:1.1.Equippedwith201B-SpH/ATC3-in-1combinationelectrodewhichusedspecialsensitivemembraneformulaandstructuremode,notonlyformeasuringnormalwatersolution,butalsoformeasuringsurfacewater,riverwater,tapwater,highpurifiedwaterandacidrainandsoonlowerionstrengthsolutionthatwecannotusenormalpHelectrodeformeasuringstably,haveresponsequick,stabledisplay,ATCandsoonfeatures.1.2.Threepointsautomaticallycalibrationfordoubleslopewhichmakethemeter’saccuracymuchhigherandmanualtemperaturecompensation.1.3.Automaticdisplayslopepercentageaftercalibrating.1.4.LargebluebackgroundLCDscreenwhichcanshowbothpHandtemperaturevalueatthesametime.1.5.InsideofthechiphastwoseriesdataofpHbuffersolution,canbechoosefreely.1.6.Lowerpowerdisplay,poweroffautomaticallyafter15minutes.1.7.℃andcanbeswitchedautomatically.1.8.Packingwithspecialcarryingcaseandtherearestandardbuffersolutioninsideit.2.1.MeasuringRange:pH:0~14.00pHmV:±1999mV2.2.Resolution:pH:0.01pHmV:1mV2.3.Accuracy:pH:meter:≤±0.01pH±1digitmetercomeswithelectrode:≤±0.02pH±1digitmV:≤±0.1%F.S±1digit2.4.InputResistance:≥1×1012Ω2.5.TemperatureCompensationRange:0~80℃(automatic)2.6.Power:1pcofmodel6F229Vcell2.7.DimensionandWeight:168x43x26mm/170g2.8.WorkingCondition:environmenttemperature:5~35℃.Relativemoisture≤85%RH
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