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Model Solu Comp ® II Dual Input pH/Conductivity Analyzer Instruction Manual PN 51-1055pHC/rev .K February 2006.
ESSENTIAL INSTRUCTIONS READ THIS P AGE BEFORE PROCEEDING! Y our purchase from Rosemount Analytical, Inc. has resulted in one of the finest instruments available for your particular application. These instruments have been designed, and tested to meet many national and international standards.
QUICK ST ART GUIDE FOR MODEL SOLU COMP II pH/CONDUCTIVITY ANAL YZER (Model Option 1055-22-30) 1. Refer to Section 2.0 for installation instructions. 2. Wire sensor(s) to the analyzer . See the drawings below . Refer to the sensor instruction sheet for details.
5. Choose the desired language. Select >> to show more choices. 6. Choose the number of sensors wired to the analyzer . NOTE If One sensor is chosen, only S1 (pH/ORP) will be available . S2 (conductivity) cannot be chosen for single measurement.
QUICK REFERENCE GUIDE MENU TREE FOR pH/ORP/REDOX/CONDUCTIVITY/RESISTIVITY/TDS MEASUREMENTS pH/cond/temp.
i MODEL SOLU COMP II T ABLE OF CONTENTS MODEL SOLU COMP II DUAL INPUT pH/CONDUCTIVITY ANAL YZER T ABLE OF CONTENTS Section Title Page 1.0 DESCRIPTION AND SPECIFICA TIONS ................................................................ 1 1.1 Features and Applications .
ii Section Title Page 6.0 CALIBRA TION ........................................................................................................ 45 6.1 Introduction .......................................................................................
MODEL SOLU COMP II T ABLE OF CONTENTS LIST OF FIGURES Number Title Page 2-1 Panel Mount Installation ........................................................................................... 12 2-2 Pipe Mount Installation ...........................
About This Document This manual contains instructions for inst allation and operation of the Solu Comp II Model 1055 Dual Input pH/Conductivity Analyzer . The following list provides notes concerning all revisions of this document. Rev . Level Date Notes 0 1/01 This is the initial release of the product manual.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS SECTION 1.0. DESCRIPTION AND SPECIFICA TIONS 1.1 FEA TURES AND APPLICA TIONS 1.2 SPECIFICA TIONS 1.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 2 1.2 SPECIFICA TIONS - General Case: ABS (panel-mount), polycarbonate (pipe- and surface-mount). All versions are NEMA 4X/CSA 4 (IP65). Dimensions Panel (code -10): 6.10 x 6.10 x 3.72 in.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS Measures conductivity in the range 0 to 20,000 µ S/cm. Display choices are conductivity , resistivity , and TDS (total dissolved solids).
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 4 When used with Model Series 200 T oroidal Conductivity Sensors, display choices are conductiv- ity , resistivity , and percent concentration. The per- cent concentration selection includes the choice of four common solutions (0-12% NaOH, 0-15% HCl, and 0-25% or 96-99.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS For use with any standard pH or ORP sensor and all Uniloc sensors and junction boxes with built-in diag- nostic style preamplifiers, display choices are pH, ORP or Redox.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS When used with a chlorine specific membrane-covered amperometric sensor , display choices are free chlorine or total chlorine. (T otal chlorine measurement requires the use of the Model SCS921 or other sample condi- tioning system).
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 7 When used with an oxygen permeable membrane- covered amperometric sensor , display choices are ppb or ppm dissolved oxygen or % saturation.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 8 1.3 ORDERING INFORMA TION The Solu Comp II analyzers offer the choice of single or dual sensor input with measurement choices of pH/ORP , conductivi- ty/resistivity , toroidal conductivity , flow , chlorine, dissolved oxygen, and dissolved ozone.
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 9 COMBINA TION GUIDE 5 5 * For D.O. sensors with 22k thermistor , use Suite 1 only ..
MODEL SOLU COMP II SECTION 1.0 DESCRIPTION AND SPECIFICA TIONS 10 ACCESSORIES (Weight s are rounded up to nearest whole lb or 0.5 kg) P ART NUMBER DESCRIPTION WEIGHT SHIPPING WT . 23820-00 Pipe mounting kit, includes U-bolts, mounting bracket, nut s, 2 lb (1.
11 SECTION 2.0. INST ALLA TION MODEL SOLU COMP II SECTION 2.0 INST ALLA TION 2.1 UNP ACKING AND INSPECTION 2.2 INST ALLA TION T ype of Mounting Section Panel 2.2.2 Pipe 2.2.3 Surface 2.2.4 2.1 UNP ACKING AND INSPECTION Inspect the shipping container .
12 MODEL SOLU COMP II SECTION 2.0 INST ALLA TION FIGURE 2-1. Panel Mount Inst allation Access to the wiring terminals is through the rear cover . Four screws hold the cover in place.
MODEL SOLU COMP II SECTION 2.0 INST ALLA TION FIGURE 2-2. Pipe Mount Inst allation The front panel is hinged at the bottom. The p anel swings down for access to the wiring terminals.
MODEL SOLU COMP II SECTION 2.0 INST ALLA TION 14 FIGURE 2-4. Surface Mount Inst allation The front panel is hinged at the bottom. The p anel swings down for access to the wiring terminals.
3.2 POWER, ALARM, OUTPUT , AND SENSOR CONNECTIONS The Solu Comp II is available in two mounting configurations.The positions of the power , alarm, output, and sen- sor terminal blocks are different in each. Refer to the t able to find the correct drawing.
16 MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-2. Wiring Connections for Solu Comp II Model 1055-01-10 (Panel Mount with 1 15/230 V ac Power) FIGURE 3-3.
MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-5. Wiring Connections for Solu Comp II Model 1055-02-1 1 (Surface/Pipe Mounting with 24 Vdc Power) FIGURE 3-4.
18 MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-6. Panel Mount Wiring to Models 399-09-62, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055105 B.
MODEL SOLU COMP II SECTION 3.0 WIRING 19 FIGURE 3-7. Pipe/W all Mount Wiring to Models 399-14, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055106 B.
20 MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-8. Pipe/W all Mount Wiring to Models 399VP-09, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055107 B.
MODEL SOLU COMP II SECTION 3.0 WIRING 21 FIGURE 3-9. Panel Mount Wiring to Models 399VP-09, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055108 B.
22 MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-10. Pipe/W all Mount Wiring to Models 399-09-62, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055109 B.
MODEL SOLU COMP II SECTION 3.0 WIRING 23 FIGURE 3-1 1. Panel Mount Wiring to Models 399-14, 400, 401, 402, 403, and 404. DWG . NO. REV . 41055110 B.
24 MODEL SOLU COMP II SECTION 3.0 WIRING FIGURE 3-12. Wiring Model 1055-1 1-22-32 to Models 399-09-62 and GP-1. DWG . NO. REV . 40105536 C.
MODEL SOLU COMP II SECTION 3.0 WIRING 25 FIGURE 3-13. Wiring Model 1055-10-22-32 to Model 399-14 DWG . NO. REV . 40105559 E FIGURE 3-14. Wiring Model 1055 to Model 320HP-58 and 400, 401, 402, 403, or 404 DWG .
26 MODEL SOLU COMP II SECTION 4.0 DISPLA Y AND OPERA TION SECTION 4.0 DISPLA Y AND OPERA TION 4.1 DISPLA Y 4.2 KEYP AD 4.3 PROGRAMMING AND CALIBRA TING THE SOLU COMP II - TUT ORIAL 4.4 SECURITY 4.5 USING HOLD 4.1. DISPLA Y The Solu Comp II has a two-line display .
27 MODEL SOLU COMP II SECTION 4.0 DISPLA Y AND OPERA TION 4.3 PROGRAMMING AND CALIBRA TING THE SOLU COMP II - TUTORIAL Setting up and calibrating the Solu Comp II is easy .
MODEL SOLU COMP II SECTION 4.0 DISPLA Y AND OPERA TION 1. If a security code has been programmed, pressing MENU causes the security screen to appear . 2. Enter the three-digit security code. 3. If the entry is correct, the main menu screen appears. If the entry is incor- rect, the Invalid Code screen appears.
29 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER SECTION 5.0 PROGRAMMING THE ANAL YZER 5.1 GENERAL 5.2 CHANGING ST ARTUP SETTINGS 5.3 CONFIGURING AND RANGING THE OUTPUTS 5.4 CONFIGURING ALARMS AND ASSIGNING SETPOINTS 5.5 SELECTING THE TYPE OF MEASUREMENT AND ACTIV A TING SOLUTION TEMPERA TURE CORRECTION 5.
30 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER T ABLE 5-1. DEF AUL T SETTINGS 1. SENSOR-OUTPUT ASSIGNMENTS (pH, ORP , redox, conductivity , resistivity , or TDS is selected during Quick Start) 3. OUTPUT RANGES (pH, ORP , redox, conductivity , resistivity , or TDS is selected during Quick Start) Measurement Range Section pH 0 to 14 5.
MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER T ABLE 5-1. DEF AUL T SETTINGS (continued) 6. MISCELLANEOUS SETTINGS Section Language English 5.1 1 Hold off 4.5 Security code 000 (no security code) 5.7 ac power frequency 60 Hz 5.8 5. TEMPERA TURE RELA TED SETTINGS Section Units °C 5.
32 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.3 CONFIGURING AND RANGING THE OUTPUTS. 5.3.1 Purpose The Solu Comp II accepts input from a pH, ORP , or conductivity sensor and has two current outputs. This section describes how to configure and range the outputs.
MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.3.3. Procedure: Configure Output s. T o choose a menu item, move the cursor to the item and press ENTER. T o store a number or setting, press ENTER. 1. Press MENU. The main menu screen appears.
34 Alarm relays are single pole-double throw (SPDT). When an alarm is activated, the coil is energized. When an alarm activates, AL1 , AL2 , or AL3 (as appropriate) appears periodically in the display . 4. USP 24 ALARM. Any alarm, if assigned to sensor 2 (conductivity) can be configured as a USP 24 alarm.
35 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.4.3 Procedure: Configuring Alarms T o choose a menu item, move the cursor to the item and press ENTER. T o store a number or setting, press ENTER. 1. Press MENU. The main menu screen appears.
36 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.4.4 Procedure: Programming Alarm Setpoint s T o choose a menu item, move the cursor to the item and press ENTER. T o store a number or setting, press ENTER. 1. Press MENU. The main menu screen appears.
37 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.5 SELECTING THE TYPE OF MEASUREMENT AND ACTIV A TING SOLUTION TEMPERA TURE CORRECTIONS 5.5.1 Purpose This section describes how to do the following: 1. Program the Solu Comp II to measure pH, ORP , redox potential, conductivity , resistivity , or total dissolved solids.
MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.5.3 Definitions — conductivity/resistivity 1. NEUTRAL SAL T CORRECTION. Neutral salt temperature correction is appropriate for most applications involving natural and treated waters in which neutral salts are primarily responsible for the conductivity .
MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.5.4 Procedure. T o choose a menu item, move the cursor to the item and press ENTER. T o store a number or setting, press ENTER. 1. Press MENU. The main menu screen appears. Choose Program . 2.
40 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.6 CHOOSING TEMPERA TURE UNITS AND MANUAL OR AUTOMA TIC TEMPERA TURE COMPENSA TION 5.6.1 Purpose This section describes how to do the following: 1. Choose temperature display units (°C or °F).
41 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.7 SETTING A SECURITY CODE 5.7.1 Purpose. This section describes how to set a security code. The security code prevent s program and calibration settings from accidentally being changed. Refer to Section 4.
MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.8 NOISE REJECTION 5.8.1 Purpose. For maximum noise rejection, the frequency of the ac power must be entered in the analyzer . 5.8.2. Procedure. T o choose a menu item, move the cursor to the item and press ENTER.
43 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.1 1 SELECTING A DEF AUL T SCREEN, LANGUAGE, AND SCREEN CONTRAST 5.1 1.1 Purpose This section describes how to do the following: 1. set a default display screen The default display screen is the screen shown during normal operation.
44 MODEL SOLU COMP II SECTION 5.0 PROGRAMMING THE ANAL YZER 5.1 1.4 Procedure: Changing Screen Contrast 1. Press MENU. The main menu screen appears. Choose Display . 2. Choose Contrst . 3. Press or to increase or decrease the screen contrast. As contrast increases, the number increases.
45 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION SECTION 6.0 CALIBRA TION 6.1 INTRODUCTION 6.2 CALIBRA TING TEMPERA TURE 6.3 AUTO CALIBRA TION - pH 6.4 MANUAL CALIBRA TION - pH 6.5 ST ANDARDIZA TION - pH 6.6 ENTERING A KNOWN SLOPE - pH 6.7 ORP CALIBRA TION 6.
46 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.2 CALIBRA TING TEMPERA TURE 6.2.1 Purpose T emperature is important in the measurement of pH, ORP , and conductivity (or resistivity) for different reasons. T emperature affects the measurement of pH in three ways.
47 6.2.2 Procedure 1. Remove the sensor from the process. Place it in an insulated container of water along with a calibrated ther- mometer . Submerge at least the bottom two inches of the sensor . S tir continuously . 2. Allow the sensor to reach thermal equilibrium.
MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.3 AUT O CALIBRA TION — pH 6.3.1 Purpose 1. New sensors must be calibrated before use. Regular recalibration is also necessary . 2. Use auto calibration instead of manual calibration. Auto calibration avoids common pitfalls and reduces errors.
49 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION a. Press MENU. The main menu screen appears. Choose Calibrate . b. Choose Sensor1 (pH sensor). c. Choose Measurement . d. Choose BufferCal . e. Choose Auto . f. Choose Buffer1 . g. Rinse the sensor with water and place it in buffer 1.
50 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.4 MANUAL CALIBRA TION — pH 6.4.1 Purpose 1. New sensors must be calibrated before use. Regular recalibration is also necessary . 2. Use manual calibration if non-standard buf fers are being used; otherwise, use auto calibration.
51 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION a. Press MENU. The main menu screen appears. Choose Calibrate . b. Choose Sensor1 (pH sensor). c. Choose Measurement . d. Choose BufferCal . e. Choose Manual . f. Choose Buffer1 . g. Rinse the sensor with water and place it in buffer 1.
52 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.5 ST ANDARDIZA TION — pH 6.5.1 Purpose 1. The pH measured by the Solu Comp II analyzer can be changed to match the reading from a second or ref- eree instrument. The process of making the two readings agree is called st andardization.
MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.6 ENTERING A KNOWN SLOPE V ALUE — pH 6.6.1 Purpose If the electrode slope is known from other measurements, it can be entered directly in the Solu Comp II analyzer . The slope must be entered as the slope at 25°C.
54 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.7 ORP CALIBRA TION 6.7.1 Purpose 1. For process control, it is often import ant to make the measured ORP agree with the ORP of a standard solu- tion. 2. During calibration, the measured ORP is made equal to the ORP of a standard solution at a single point.
6.8 CALIBRA TING AN IN-SERVICE SENSOR — CONDUCTIVITY 6.8.1 Purpose 1. After a conductivity sensor has been in service for a period of time, recalibration may be necessary . 2. There are three ways to calibrate a sensor . a. Use a st andard instrument and sensor to measure the conductivity of the process stream.
56 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION a. Press MENU. The main menu screen appears. Choose Program . b. Choose Measurement . c. Choose Sensor2 (conductivity). d. Choose Cond. e. Choose Other . f. Choose Raw . g. The display returns to the screen in step c.
MODEL SOLU COMP II SECTION 6.0 CALIBRA TION Possible Cal Error Proceed? Y Y e e s s No Updated S2 Cell Const: 1.0013/cm h. If the change is more than 10% of the present value, the Solu Comp II displays a warning screen. Choose Ye s to have the analyzer accept the calibration.
58 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION a. Press MENU. The main menu screen appears. Choose Program . b. Choose Measurement . c. Choose Sensor2 (conductivity). d. Choose Cond. e. Choose Other . f. Choose Raw . g. The display returns to the screen in step c.
MODEL SOLU COMP II SECTION 6.0 CALIBRA TION Calibrate? S S e e n n s s o o r r 1 1 Sensor2 Cal Sensor2? M M e e a a s s u u r r e e m m e e n n t t Temp CalS2? InProcess Meter C C e e l l l l C C o o n n s s t t Cell Constant? SN: 1 1 .0000/cm Possible Cal Error Proceed? Y Y e e s s No Updated S2 Cell Const: 1.
60 MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 6.10 CALIBRA TING THE ANAL YZER - CONDUCTIVITY . 6.10.1 Purpose 1. After a conductivity analyzer has been in service for a period of time recalibration may be necessary . 2. T o check the calibration of the Solu Comp II, see Section 8.
MODEL SOLU COMP II SECTION 6.0 CALIBRA TION 9. If a resistance value out side the range 100 Ω to 180 k Ω was entered, the calibration will not be accepted. The screen at lef t appears for five sec- onds. Then, the display returns to the screen in step 8.
62 MODEL SOLU COMP II SECTION 7.0 MAINTENANCE SECTION 7.0 MAINTENANCE 7.1 OVER VIEW 7.2 REPLACEMENT P ARTS 7.1 OVERVIEW The Solu Comp II analyzer needs little routine maintenance. The calibration of the analyzer and sensor should be checked periodically .
MODEL SOLU COMP II SECTION 7.0 MAINTENANCE 63 Location in Shipping Figure 7-1 PN Description Weight 1 23823-00 Panel mounting kit, includes four brackets and 2 lb/1.0 kg four set screws 2 23837-00 Enclosure, front, for panel mount version, includes keyp ad 3 lb/1.
64 MODEL SOLU COMP II SECTION 7.0 MAINTENANCE Location in Shipping Figure 7-2 PN Description Weight 1 note Screw , 6-32 x 1.38 in. 2 note Washer 3 23834-00 Enclosure, front, for pipe/surface mount version, 2 lb/1.0 kg includes keypad and hinge 4 33655-00 Gasket for pipe/surface mount version 2 lb/1.
65 MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING SECTION 8.0 TROUBLESHOOTING 8.1 OVER VIEW 8.2 TROUBLESHOOTING USING F AUL T CODES 8.3 TROUBLESHOOTING WHEN NO ERROR MESSAGE IS SHOWING — pH 8.4 TROUBLESHOOTING WHEN NO ERROR MESSAGE IS SHOWING — CONDUCTIVITY 8.
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.2.2 pH Sensitive Glass Membrane is Broken The Solu Comp II continuously measures the impedance between the sensor solution ground and the inside of the pH-sensing electrode. If the glass membrane is intact, the impedance is normally between 10 M Ω and 1000 M Ω .
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.3 TROUBLESHOOTING WHEN NO ERROR MESSAGE IS SHOWING — pH. Problem See Section New temperature during calibration more than 2-3°C different from the live reading 8.3.1 Calibration Error warning during two-point calibration 8.
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.3.3 Calibration Error during St andardization. During standardization, the millivolt signal from the pH cell is increased or decreased until it agrees with the pH reading from a referee instrument. A unit change in pH requires an of fset of about 59 mV .
69 MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.3.7 Calibration W as Successful, but Process pH Is Grossly Wrong and/or Noisy . Grossly wrong or noisy readings suggest a ground loop (measurement s.
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.4 TROUBLESHOOTING WHEN NO ERROR MESSAGE IS SHOWING — CONDUCTIVITY 8.4.1 Calibration Error Using St andard Resistors A.
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.4.5 Measurement seems wrong. A. If sensor is being installed for the first time, check the wiring connections. See Section 3.2. B. V erify that the sensor is completely immersed in the process liquid. C.
72 MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.6 SIMULA TING INPUTS — pH 8.6.1 General This section describes how to simulate a pH input into the Solu Comp analyzer . T o simulate a pH measurement, connect a standard millivolt source to the transmitter .
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING 8.7 SIMULA TING INPUTS — CONDUCTIVITY T o check the performance of the analyzer , use standard resistors to simulate conductivity . A. Set the temperature correction to raw (Section 5.5). B. Connect the standard resistors to TB-5 as shown in Figure 8-4.
T emp. (°C) Pt 100 ( Ω Ω ) Pt 1000 ( Ω Ω ) 0 100.0 1000 10 103.9 1039 20 107.8 1078 25 109.7 1097 30 1 1 1.7 1 1 17 40 1 15.5 1 155 50 1 19.4 1 194 60 123.2 1232 70 127.1 1271 80 130.9 1309 85 132.8 1328 90 134.7 1347 100 138.5 1385 74 MODEL SOLU COMP II SECTION 8.
MODEL SOLU COMP II SECTION 8.0 TROUBLESHOOTING FIGURE 8-7. Checking for a Poisoned Reference Electrode. Refer to the sensor wiring diagram to identify the reference leads. A laboratory silver/silver chloride electrode can be used in place of the second sensor .
76 MODEL SOLU COMP II SECTION 9.0 RETURN OF MA TERIAL SECTION 9.0 RETURN OF MA TERIAL 9.1 GENERAL. T o expedite the repair and return of instruments, proper communication between the customer and the factory is important. Before returning a product for rep air , call 1-949-757-8500 for a R e t urn Materials Authorization (RMA) number .
W ARRANTY Seller warrants that the firmware will execute the programming instructions provided by Seller , and that the Goods manufactured or Services provided by Seller will be free from defects in materials or workmanship under normal use and care until the expira- tion of the applicable warranty period.
Credit Cards for U.S. Purchases Only . The right people, the right answers, right now . ON-LINE ORDERING NOW A V AILABLE ON OUR WEB SITE http://www .raihome.com Specifications subject to change without notice. Emerson Process Management Liquid Division 2400 Barranca Parkway Irvine, CA 92606 USA T el: (949) 757-8500 Fax: (949) 474-7250 http://www .
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