601xxxPH_安装调试说明书手册

EXTECHpH Electrodes Instruction SheetModels601100,601500and60120BINSTRUMENTSElectrode SpecificationsModel number60110060120B601500DescriptionFlat surface combination pHMini combination pH electrode withGeneral-purpose combination pHelectrode with gelled referencesealed gelled reference fillingelectrode with sealed gelled referencesolutionsolution and detachable bulb guardfilling solution and detachable bulb guardDimensions15x115mm10X126mm12.5x155mmConstruction materialPolymer housing,flat glass bulbPolymer housing,glass bulbPolymer housing.glass bulbMeasuring range0 to 14.0 pH units0 to 14.0 pH units0 to 14.0 pH unitsTemp.range0-80℃0-80℃0-80℃Reference junctionTeflonCeramicCeramicReference typeAg/AgCl (silver silver chloride)Ag/AgCl (silversilver chloride)Ag/AgCl(silver silver chloride)Isopotential point7.0pH-7.0pH7.0pHPrecision0.02 pH units0.02 pH units0.02 pH unitsConnectorBNCBNCBNCCable length1 meter (39)1 meter (39)1 meter (39)Storage containerBottleCapBottleGeneral Electrode Procedure4.Wait for a stable display.Set the pH meter to the pH value of thebuffer at its measured temperature.1.To avoid damage to the electrode when removing it from orProceed to pH measurementinserting it into the soaking bottle;a)Unscrew the bottle cap.pH Measurement)Remove the electrode and cap from the bottle1.Calibrate the electrode as described in previous section.c)Slide the cap off the electrode.2.Rinse the electrode with distilled water and then with the sampled)Reverse this procedure when storing the electrodesolution.2.Rinse the electrode with deionized or distilled water.Place the electrode in the sample.3.Carefully shake electrode to ensure that any air bubbles in the4Stir the sample.bulb or lower stem of the electrode are dislodged upwards.When the reading is stable,record the pH value.4.Blot electrode with tissue5.Connect electrode to pH meter and follow the pH meterElectrode Storage and Maintenancemanufacturer's instruction for calibration.Electrode StorageBefore Measurement1.Electrodes 601100 and 6015001.Generally,the sample should be aqueous and fall within theStore in the soaking bottle.The soaking solution should be 22.4grange 0-14 pHKCI dissolved in 100ml pH4 buffer solution or 25g KCI dissolved2.Always use fresh buffers for calibration.Choose buffers that arein 100ml pure water.2.no more than 3 pH units apart.Electrode 60120B3.To obtain the maximum precision,always buffer as close asStore with wetting cap kept damp with pH4 buffer or,alternatively.possible to the expected measured value.store in a soaking solution.4Between measurements,rinse electrodes with distilled water andElectrode Maintenancethen with the next solution to be measured.3Inspect the electrode for scratches,cracks,salt crystal build-up,5.Stir all buffers and samples.or membrane/junction deposits.6.Avoid rubbing or wiping electrode bulb in order to reduce theRinse off any salt build-up with distilled water,and remove anychance of error due to polarization.membrane/junction deposits