Thermo Scientific 8102BNUWP, 8102BN, 8103BNUWP, 8257BNU, 8207BNU Instruction Manual

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User Guide

ROSS Ultra®, ROSS®, ROSS® Sure-Flow®, and PerpHecT® ROSS® Electrodes

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientific Inc.

AQUAfast, Cahn, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHuture, Pure Water, Sage, Sensing the Future, SensorLink, ROSS, ROSS Ultra, Sure-Flow, Titrator PLUS and TURBO2 are registered trademarks of Thermo Fisher.

1-888-pHAX-ION, A+, All in One, Aplus, AQUAsnap, AssuredAccuracy, AUTO-BAR, AUTO-CAL, AUTO DISPENSER, Auto-ID, AUTO-LOG, AUTO-READ, AUTO-STIR, Auto-Test, BOD AutoEZ, Cable-Free, CERTI-CAL, CISA, DataCOLLECT, DataPLUS, digital LogR, DirectCal, DuraProbe, Environmental Product Authority, Extra Easy/Extra Value, FAST QC, GAP, GLPcal, GLPcheck, GLPdoc, ISEasy, KAP, LabConnect, LogR, Low Maintenance Triode, Minimum Stir Requirement, MSR, NISS, One-Touch, One-Touch Calibration, One-Touch Measurement, Optimum Results, Orion Star, Pentrode, pHuture MMS, pHuture Pentrode, pHuture Quatrode, pHuture Triode, Quatrode, QuiKcheK, rf link, ROSS Resolution, SAOB, SMART AVERAGING, Smart CheK, SMART STABILITY, Stacked, Star Navigator 21, Stat Face, The Enhanced Lab, ThermaSense, Triode, TRIUMpH, Unbreakable pH, Universal Access are trademarks of Thermo Fisher.

Guaranteed Success and The Technical Edge are service marks of Thermo Fisher.

PerpHecT meters are protected by U.S. patent 6,168,707.

PerpHecT ROSS are protected by U.S. patent 6,168,707.

ORION Series A meters and 900A printer are protected by U.S. patents 5,198,093, D334,208 and D346,753.

ionplus electrodes and Optimum Results solutions are protected by US Patent 5,830,338.

ROSS Ultra electrodes are protected by US patents 6,793,787.

Orion ORP Standard is protected by US Patent 6,350,367.

Orion NoCal electrodes with stabilized potential patent pending.

The specifications, descriptions, drawings, ordering information and part numbers within this document are subject to change without notice.

This publication supersedes all previous publications on this subject.

Introduction

This user guide contains information on the preparation, operation and maintenance of the Thermo Scientiﬁc Orion ROSS Ultra, ROSS, ROSS Sure-Flow and PerpHecT ROSS electrodes.

All ROSS electrodes have a pH range of 0 to 14, pH precision of

0.01 and temperature range of 0 to 100 °C.

ROSS electrodes can be used in samples that contain TRIS, sulﬁdes and proteins since they do not contain silver or mercury.

ROSS electrodes incorporate the patented ROSS internal reference system that provides superior measurement stability, faster response, greater accuracy and more reproducible results than conventional electrodes. ROSS electrodes provide readings stable to 0.01 pH in less than 30 seconds, even in the extreme case of samples varying from one another by 50 °C or more. Results are three to ﬁve times more precise than those obtained with conventional electrodes. Electrode drift is less than 0.002 pH per day, so restandardization is minimized.

ROSS electrodes have a double junction reference, so the ﬁlling solution can be modiﬁed to more closely match the sample composition in high pH, low pH or non-aqueous solutions.

ROSS Ultra® Electrodes

ROSS Ultra electrodes offer the ultimate measurement stability and the least long-term drift plus a two year warranty.

ROSS® Electrodes

ROSS electrodes provide precise pH measurements and measurement stability regardless of temperature changes or sample composition.

ROSS® Sure-Flow® Electrodes

ROSS Sure-Flow electrodes incorporate a free-ﬂowing junction that is easy to clean and never clogs. These electrodes are ideal for dirty or viscous samples that clog traditional electrodes.

PerpHecT® ROSS® Electrodes

PerpHecT ROSS electrodes are designed to be used with PerpHecT meters to provide both pH and temperature measurements. The PerpHecT meters use patented LogR technology that allows temperature to be measured using the resistance of the PerpHecT ROSS electrode.

ROSS® Electrode User Guide

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc.

Cat. No. Description

8102BNUWP ROSS Ultra combination pH electrode with

glass body and waterproof BNC connector

8103BNUWP ROSS Ultra combination pH electrode with

glass body, semi-micro tip and waterproof BNC connector

8104BNUWP ROSS Ultra combination pH electrode with

glass body, rugged bulb and waterproof BNC connector

8115BNUWP ROSS Ultra combination pH electrode with

epoxy body, semi-micro tip and waterproof BNC connector

8135BNUWP ROSS Ultra combination pH electrode with

epoxy body, ﬂat surface tip and waterproof BNC connector

8156BNUWP ROSS Ultra combination pH electrode with

epoxy body and waterproof BNC connector

800500U ROSS Ultra reference half-cell electrode with

glass body and pin tip connector

8102BN / 810200 / 8102SC

8103BN / 810300 / 8103SC

8104BN / 810400 / 8104SC

8115BN 8115SC

8135BN 8135SC

815600 / 815500 / 8155SC

8162SC ROSS combination pH electrode with glass

8163BNWP / 8163SC

ROSS combination pH electrode with glass body and BNC connector / U.S. standard connector / screw cap connector

ROSS combination pH electrode with glass body, semi-micro tip and BNC connector / U.S. standard connector / screw cap connector

ROSS combination pH electrode with glass body, rugged bulb and BNC connector / U.S. standard connector / screw cap connector

ROSS combination pH electrode with epoxy body, semi-micro tip and BNC connector / screw cap connector

ROSS combination pH electrode with epoxy body, ﬂat surface tip and BNC connector / screw cap connector

ROSS combination pH electrode with epoxy body and BNC connector / U.S. standard connector / screw cap connector

body, 14/15 standard taper and screw cap connector

ROSS combination pH electrode with glass body, spear tip and waterproof BNC connector / screw cap connector

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc.

ROSS® Electrode User Guide

Cat. No. Description

8101BNWP / 8101SC

800300 ROSS Sure-Flow reference half-cell

8165BNWP / 8165DN

8172BNWP / 8172DN

8175BNWP ROSS Sure-Flow combination pH electrode

8202BN PerpHecT ROSS combination pH electrode

8203BN PerpHecT ROSS combination pH electrode

8220BNWP PerpHecT ROSS combination pH electrode

8235BN PerpHecT ROSS combination pH electrode

8256BN PerpHecT ROSS combination pH electrode

8272BN PerpHecT ROSS Sure-Flow combination

ROSS pH half-cell electrode with glass body and waterproof BNC connector / screw cap connector

electrode with glass body and pin tip connector

ROSS Sure-Flow combination pH electrode with epoxy body and waterproof BNC connector / E DIN waterproof connector

ROSS Sure-Flow combination pH electrode with glass body and waterproof BNC connector / E DIN waterproof connector

with epoxy body, semi-micro tip and waterproof BNC connector

with glass body and BNC connector

with glass body, semi-micro tip and BNC connector

with glass body, micro tip and waterproof BNC connector

with epoxy body, ﬂat surface tip and BNC connector

with epoxy body and BNC connector

pH electrode with glass body and BNC connector

• All electrodes with a waterproof BNC, BNC and U.S. standard connector have one meter cable lengths.

• All electrodes with a screw cap connector require a separate cable.

• Electrodes with a waterproof BNC connector can be used on any pH meter with a BNC connection.

• The 800500U ROSS Ultra and 800300 ROSS reference half-cells can be used with the 8101BNWP / 8101SC ROSS pH half-cell or 8411BN ROSS sodium half-cell.

ROSS® Electrode User Guide

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc.

Required Equipment

1. Thermo Scientiﬁc Orion pH meter, such as the 3-Star pH meter, 4-Star pH/ISE meter, 4-Star pH/DO meter, 4-Star pH/ conductivity meter or 5-Star pH/ISE/DO/conductivity meter.

ROSS electrodes can be used on any pH meter with a BNC

or U.S. standard connection. The electrodes can also be used on meters with a variety of inputs when an adapter cable is used. Visit www.thermo.com/water for details.

2. Thermo Scientiﬁc Orion ROSS Ultra, ROSS, ROSS Sure-Flow or PerpHecT ROSS electrode.

3. ROSS ﬁlling solution, Cat. No. 810007. Do not use any ﬁlling solution that contains silver, as silver will damage the electrode.

4. ROSS pH electrode storage solution, Cat. No. 810001, or standard pH electrode storage solution, Cat. No. 910001. For enhanced electrode performance, use ROSS pH electrode storage solution.

5. pH buffers, at least two pH buffers are recommended for precise measurements. One buffer should be near pH 7 and buffers should be one to three pH units apart.

6. Beakers, plastic or glass.

7. Magnetic stirrer or Orion stirrer probe, Cat. No. 096019. The stirrer probe can be used with 3-Star, 4-Star and 5-Star benchtop meters.

8. Distilled or deionized water.

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc.

ROSS® Electrode User Guide

Sample Requirements

A beneﬁt of the ROSS pH electrodes is that the ﬁlling solution composition may be changed depending on sample requirements.

The ROSS pH electrode ﬁlling solution, Cat. No. 810007, is 3 M KCl. For solutions that precipitate in the presence of chloride ions, the electrode can be ﬁlled with 10% KNO3, Cat. No.

900003.

Electrodes with an epoxy body should only be used in aqueous solutions.

Electrodes with a glass body may be used in non-aqueous solutions and solutions that contain organic solvents. A minimum of 20% water must be present in the sample for the best measurement results. If there is a great deal of drift when using the ROSS electrode ﬁlled with ROSS ﬁlling solution, try ﬁlling the electrode with a mixture of methanol and water saturated with KCl. The ratio of methanol to water should be similar to the sample composition.

If using the 8220BNWP PerpHecT ROSS micro pH electrode, great care must be taken to thoroughly rinse out the reference chamber and junction before changing the reference solutions.

ROSS® Electrode User Guide

ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientiﬁc Inc.

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