Orion 8003, 8165,8172, 8175Orion ROSS Sure-Flow®ElectrodesINSTRUCTION MANUALpH™Analyze •Detect•Measure •Control™
7pH CALIBRATION & MEASUREMENTGeneral Calibration ProcedureFor detailed calibration and temperature compensation procedures,consult your meter inst
Single Buffer Calibration1. Ensure that all buffers are at room temperature. If samples are at varying temperatures, temperaturecompensation is reco
Removal of Membrane/Junction Deposits When using the following procedures, do not immerse electrodemore than 1/4" above junction. Protein — Soak
Table 1pH Values of Buffers at Various TemperaturesNominal valueat 25 °TemperatureBuffer 0 °C 5 °C 10 °C 20 °C 30 °C1.68 1.67 1.67
TROUBLESHOOTINGTroubleshooting GuideFollowing is a systematic procedure to isolate the problem. The pH measuring systems can be divided into four comp
TechniqueIf trouble persists, review operating procedures. Reread calibrationand measurement sections, to be sure proper technique has beenfollowed. A
ELECTRODE CHARACTERISTICSTemperature EffectsThe most common cause of error in pH measurement is temperature.Ordinary electrodes drift with temperatur
InterferencesSodium ion is the principal interference for the pH electrode,causing increasing error at higher pH (lower hydrogen ion activities)and at
WARRANTYFor the most current warranty information, visit www.thermo.com.The Thermo Electron Corporation, Orion products warranty coversfailures due to
16210Aplus™, 230Aplus™, 250Aplus™, 290Aplus™, 410Aplus™,420Aplus™, 520Aplus™, 525Aplus™, 710Aplus™, 720Aplus™and920Aplus™), pHuture MMS™Meters (Orion
AQUAfast, Cahn, EZ Flash, Ionalyzer, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHix, pHuture, Pure Water, Sage, Sensing
17Six months from date of purchase by the user (or twelve monthsfrom date of shipment from Thermo) • Orion Flash Titration™Probe (Orion 092518), pHutu
18WHETHER THE CLAIMS ARE BASED IN CONTRACT, IN TORT(INCLUDING NEGLIGENCE), OR OTHERWISE WITH RESPECT TOOR ARISING OUT OF THE PRODUCT FURNISHED HEREUND
ORDERING INFORMATIONElectrodesOrion Description800300 ROSS™Sure-Flow®Reference Half Cell Electrode,Glass Body, with pin-tip connector8165BN ROSS Sure
21SPECIFICATIONSpH Range0 - 14DriftLess than 0.005 pH per dayTemperature Range0 to 100 °CInternal ReferenceROSS™JunctionSure-Flow®liquid-to-liquidSlop
NOTES22
227355-001 Rev. EEnvironmental InstrumentsWater AnalysisNorth America 166 Cummings CenterBeverly, MA 01915 USATel: 978-232-6000Dom. Fax: 978-232-60
TABLE OF CONTENTSGeneral Information 1Introduction 1 Required Equipment 2Required Solutions 2Using the Electrode 3Electrode Preparation 3 Sample Requ
1GENERAL INFORMATIONIntroductionThis manual contains instructions for the ROSS™Sure-Flow®Seriesof pH electrodes. Operation and maintenance instruction
Required EquipmentMeter — Any Orion pH or ion-selective meter, or other pH/lSEmeter with appropriate connectors. Electrode — Combination pH Electrode,
USING THE ELECTRODEElectrode Preparation1. Remove the protective shipping cap from sensing element andsave for storage.2. Clean any salt deposits fr
Sample RequirementsOne of the benefits of the ROSS™pH Electrodes is that the fillingsolution composition may be changed depending on samplerequirement
Placement of Removable Sleeve Bulb GuardThe bulb guard can be removed for cleaning or general measurement.Grasp bulb guard and gently pull. The bulb g
Measuring Hints See Figure 5.• Always use fresh buffers for calibration. Choose buffers thatare no more than 3 pH units apart. • Check electrode slo
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