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QUICK START GUIDE

FOR MODEL SOLU COMP II DISSOLVED OXYGEN/pH ANALYZER

(Model Options 1055-25-32 and 1055-25)

Refer to Section 2.0 for installation instructions.

Wire sensor(s) to the analyzer. See the drawings below. Refer to the sensor instruction sheet for details. Make alarm,
output, and power connections as shown below.

CONTINUED ON THE FOLLOWING PAGE

Once connections are secured and verified, apply power to the analyzer.

Wiring Connections for Solu Comp II Model 1055-01-10

(Panel Mount with 115/230 Vac Power)

Wiring Connections for Solu Comp II Model 1055-02-10

(Panel Mount with 24 Vdc Power)

Wiring Connections for Solu Comp II Model 1055-01-11

(Surface/Pipe Mounting with 115/230 Vac Power)

Wiring Connections for Solu Comp II Model 1055-02-11

(Surface/Pipe Mounting with 24 Vdc Power)

Содержание SOLU COMP II

Страница 1: ...Model SOLU COMP II Dual Input Dissolved Oxygen pH Analyzer Instruction Manual PN 5101055DOpH January 2001 FREE EXTENDED WARRANTY See offer at back of manual ...

Страница 2: ...d and protec tive covers must be in place unless qualified per sonnel are performing maintenance If this equipment is used in a manner not specified by the manufacturer the protection provided by it against hazards may be impaired WARNINGS RISK OF ELECTRICAL SHOCK Equipment protected throughout by double insulation Installation of cable connections and servicing of this product require access to s...

Страница 3: ... connections as shown below CONTINUED ON THE FOLLOWING PAGE 3 Once connections are secured and verified apply power to the analyzer Wiring Connections for Solu Comp II Model 1055 01 10 Panel Mount with 115 230 Vac Power Wiring Connections for Solu Comp II Model 1055 02 10 Panel Mount with 24 Vdc Power Wiring Connections for Solu Comp II Model 1055 01 11 Surface Pipe Mounting with 115 230 Vac Power...

Страница 4: ...fault val ues To change settings refer to Section 5 0 Programming the Analyzer To rein stall factory settings and return to Quick Start see Section 5 10 of sensors One T Tw wo o Temperature in C C F S1Manufacurer R Ro os se em mo ou un nt t Other S1Application Biopharm O Ot th he er r 4 When the analyzer is powered up for the first time Quick Start screens appear Using Quick Start is easy a A blin...

Страница 5: ...QUICK REFERENCE GUIDE MENU TREE FOR DISSOLVED OXYGEN pH MEASUREMENTS ...

Страница 6: ...OP PE ER RA AT TI IO ON N 18 4 1 Display 18 4 2 Keypad 18 4 3 Programming and Calibrating the Solu Comp II Tutorial 19 4 4 Security 20 4 5 Using Hold 20 5 5 0 0 P PR RO OG GR RA AM MM MI IN NG G T TH HE E A AN NA AL LY YZ ZE ER R 21 5 1 General 21 5 2 Changing StartUp Settings 21 5 3 Configuring and Ranging the Outputs 24 5 4 Configuring Alarms and Assigning Setpoints 26 5 5 Selecting Type of Meas...

Страница 7: ... 51 8 8 0 0 T TR RO OU UB BL LE ES SH HO OO OT TI IN NG G 54 8 1 Overview 54 8 2 Troubleshooting Using Fault Codes 54 8 3 Troubleshooting When No Error Message is Showing Dissolved Oxygen 56 8 4 Troubleshooting When No Error Message is Showing pH 59 8 5 Troubleshooting When No Error Message is Showing General 62 8 6 Simulating Inputs Dissolved Oxygen 62 8 7 Simulating Inputs pH 63 8 8 Simulating T...

Страница 8: ... During Normal Operation 18 4 2 Solu Comp II Keypad 18 5 1 Assigning Outputs 1 and 2 24 5 2 High Alarm Logic 26 5 3 Low Alarm Logic 26 6 1 Sensor Current as a Function of Dissolved Oxygen Concentration 40 6 2 Calibration Slope and Offset 44 7 1 Exploded View of Solu Comp II Panel Mount Version 52 7 2 Exploded View of Solu Comp II Pipe Surface Mount Version 53 8 1 Decade Box Connection 62 8 2 Simul...

Страница 9: ...ro grammed to correspond to any selected measure ment or temperature Output damping and linear or log output may also be field selected ALARMS The Solu Comp II has three fully pro grammable alarm relays that can be assigned to any selected measurement or temperature Alarms can be configured as high low or USP 231 The third relay has the additional choice of fault alarm operation When selected a fa...

Страница 10: ...n RFI EMI EN 50081 2 EN 50082 2 LVD EN 61010 1 Input Choice of single or dual sensor input with measurement choices of pH ORP conductivity resistivity toroidal conductivity flow chlorine dis solved oxygen and dissolved ozone Field com missioned units allow user to change measure ments on either or both inputs See combination guide for valid combinations For contacting con ductivity measurements te...

Страница 11: ... conductivity sensors only RECOMMENDED SENSORS FOR CONDUCTIVITY The Solu Comp II is intended for use with the ENDURANCE Model 400 series conductivity sensor Pt 1000 RTD Model 400 Screw in Insertion Model 400VP Screw in Insertion with 6 0 VP connector Model 401 Screw in Insertion except 401 15 Model 402 Retractable Model 402VP Retractable with 6 0 VP connector Model 403 Sanitary Flanged Model 403VP...

Страница 12: ...FORMANCE SPECIFICATIONS Measurement Range see table below Accuracy 1 of reading 5 µS cm Repeatability 0 25 of reading Stability 0 25 of output range month noncumulative Ambient Temperature Coefficient 0 01 of reading C Temperature Compensation 15 to 200 C 5 to 392 F automatic or manual Automatic requires a Pt100 1000 RTD Temperature correction Linear temperature coefficient 0 0 to 5 00 C neutral s...

Страница 13: ...lity 1 0 mV Stability 1 0 mV month non cumulative Temperature Coefficient 0 2 mV C Temperature Measurement 15 to 100 C 5 to 212 F Temperature Correction none required RECOMMENDED SENSORS FOR pH Model 320B Flow Through pH Model 320HP High Purity pH Model 328A Steam Sterilizable pH Model 370 and 371 EuroSenz pH Model 381 Insertion Submersion Flow Through pH Model 389 Insertion Submersion pH Model 39...

Страница 14: ...an 7 and fluctuates by more than 0 2 continuous measure ment of the pH and automatic pH correction is neces sary For automatic pH correction select code 32 and an appropriate pH sensor PERFORMANCE SPECIFICATIONS Measurement Range 0 20 ppm mg L chlorine as Cl2 Resolution 0 001 ppm Automatic pH Correction requires Code 32 5 0 to 9 5 pH Temperature Correction Automatic with Pt100 RTD in sensor or man...

Страница 15: ...499A DO Dissolved Oxygen Sensor Model Hx438 Steam Sterilizable Dissolved Oxygen Sensor Model Gx438 Steam Sterilizable Dissolved Oxygen Sensor Model 499A TrDO Trace Dissolved Oxygen Sensor soon to be released DISSOLVED OXYGEN Code 25 For use with an ozone permeable membrane covered amperometric sensor Because the permeability of the membrane is a function of temperature a correction is necessary wh...

Страница 16: ...sioned Measurement includes amperometric CODE OPTIONAL 41 Ratio Conductivity requires Codes 20 and 30 CODE POWER 01 115 230 Vac 50 60 Hz 02 24 Vdc CODE MEASUREMENT 1 Required Selection 20 Contacting Conductivity 21 Toroidal Conductivity 22 pH ORP 23 Flow 24 Chlorine 25 Dissolved Oxygen 26 Ozone CODE MOUNTING 10 Panel mounting enclosure 11 Pipe Surface mounting enclosure Pipe mounting requires acce...

Страница 17: ...MODEL SOLU COMP II SECTION 1 0 DESCRIPTION AND SPECIFICATIONS 9 COMBINATION GUIDE ...

Страница 18: ...014 Buffer Solution 9 18 pH 16 oz 1 lb 0 5 kg 2 lb 1 0 kg CONDUCTIVITY INPUT SS 1 Conductivity Standard 1409 µS cm at 25 C 1 quart 945 mL 2 lb 1 0 kg 4 lb 2 0 kg SS 1A Conductivity Standard 1409 µS cm at 25 C 1 gallon 3785 mL 9 lb 4 0 kg 11 lb 5 0 kg SS 5 Conductivity Standard 1000 µS cm at 25 C 1 quart 945 mL 2 lb 1 0 kg 4 lb 2 0 kg SS 5A Conductivity Standard 1000 µS cm at 25 C 1 gallon 3785 mL ...

Страница 19: ... If items are missing notify Rosemount Analytical immediately 2 2 INSTALLATION 2 2 1 General Information 1 Although the analyzer is suitable for outdoor use do not install it in direct sunlight or in areas of extreme tem peratures 2 Install the analyzer in an area where vibrations and electromagnetic and radio frequency interference are min imized or absent 3 Keep the analyzer and sensor wiring at...

Страница 20: ...MP II SECTION 2 0 INSTALLATION FIGURE 2 1 Panel Mount Installation Access to the wiring terminals is through the rear cover Four screws hold the cover in place 2 2 2 Panel Mounting MILLIMETER INCH DWG NO REV 41055C11 A ...

Страница 21: ...I SECTION 2 0 INSTALLATION FIGURE 2 2 Pipe Mount Installation The front panel is hinged at the bottom The panel swings down for access to the wiring terminals 2 2 3 Pipe Mounting MILLIMETER INCH DWG NO REV 41055C10 A 13 ...

Страница 22: ...ECTION 2 0 INSTALLATION 14 FIGURE 2 4 Surface Mount Installation The front panel is hinged at the bottom The panel swings down for access to the wiring terminals 2 2 4 Surface Mounting MILLIMETER INCH DWG NO REV 41055C12 A ...

Страница 23: ...ply power to the analyzer until all electrical connections are verified and secure SECTION 3 0 WIRING 3 1 PREPARING CONDUIT OPENINGS 3 2 POWER ALARM OUTPUT AND SENSOR CONNECTIONS MODEL SOLU COMP II SECTION 3 0 WIRING 3 1 PREPARING CONDUIT OPENINGS The number of conduit openings and the location depend on the model Conduit openings accept 1 2 inch conduit fittings or PG 13 5 cable glands To keep th...

Страница 24: ...MP II SECTION 3 0 WIRING FIGURE 3 2 Wiring Connections for Solu Comp II Model 1055 01 10 Panel Mount with 115 230 Vac Power FIGURE 3 3 Wiring Connections for Solu Comp II Model 1055 02 10 Panel Mount with 24 Vdc Power ...

Страница 25: ... 3 0 WIRING FIGURE 3 5 Wiring Connections for Solu Comp II Model 1055 02 11 Surface Pipe Mounting with 24 Vdc Power FIGURE 3 4 Wiring Connections for Solu Comp II Model 1055 01 11 Surface Pipe Mounting with 115 230 Vac Power 17 ...

Страница 26: ...ent displays to appear The displays are self explanato ry and guide the user step by step through the procedure 4 2 KEYPAD Figure 4 2 shows the Solu Comp II key pad FIGURE 4 1 Displays During Normal Operation Screen A shows dissolved oxygen and pH The temperature shown is the temperature measured by the oxygen sensor Screen B shows dissolved oxygen and pH and the temperature measured by each senso...

Страница 27: ...r to the desired output and press ENTER For purposes of the example choose Output 1 7 The screen shown at left appears Out1 S1 in the top line means output 1 Out1 is assigned to sensor 1 S1 Either output can be assigned to either sensor sensor and output assignments are made under the Output Configure menu shown in step 5 Use the Out1 S1 Range screen to assign a dissolved oxygen concentration to t...

Страница 28: ... Security Code See Section 5 6 4 5 USING HOLD 4 5 1 Purpose The analyzer output is always proportional to measured pH or dissolved oxygen To prevent unwanted alarms and improper operation of control systems or dosing pumps place the analyzer in hold before removing the sensor for calibration and maintenance Be sure to remove the analyzer from hold once calibration is complete During hold both outp...

Страница 29: ... the analyzer the frequency of the ac power needed for optimum noise rejection 7 tell the analyzer the number of sensors being used 8 reset the analyzer to factory calibration and default settings 9 select a default display screen Default settings are shown in Table 5 1 on the following page To change a default setting refer to the section list ed in the table To reset default settings see Section...

Страница 30: ...l sensor Dissolved oxygen sensor 1 pH ORP Redox sensor 2 5 3 and 5 9 2 OTHER OUTPUT SETTINGS Output Dampening 0 or 4 mA Mode Section 1 off 4 Linear 5 3 2 off 4 Linear 5 3 4 ALARM CONFIGURATION AND SETPOINTS Alarm 1 2 3 Section Assigned to Sensor 1 dissolved oxygen Sensor 2 pH ORP note Fault 5 4 High or low High High note NA 5 4 Deadband 0 0 NA 5 4 Setpoint 0 ppm high 20 ppm low 0 ppm high 20 ppm l...

Страница 31: ...ection Language English 5 11 Hold off 4 5 Security code 000 no security code 5 7 ac power frequency 60 Hz 5 8 5 TEMPERATURE RELATED SETTINGS Section Units C 5 6 Automatic temperature compensation DO On 5 6 Automatic temperature compensation pH On 5 6 Solution temperature correction pH Off 5 5 Isopotential pH 7 00 5 5 23 ...

Страница 32: ...means assigning values to the low 0 or 4 mA and high 20 mA outputs 5 3 2 Definitions 1 CURRENT OUTPUTS The analyzer provides either a continuous 4 20 mA or 0 20 mA output current directly proportional to dissolved oxygen pH ORP or redox potential 2 ASSIGNING OUTPUTS Figure 5 1 shows the ways in which the outputs can be assigned 3 DAMPEN Output dampening smooths out noisy readings It also increases...

Страница 33: ...ress MENU followed by EXIT 5 3 4 Procedure Assigning Values to the Low and High Current Outputs Output Ranging To choose a menu item move the cursor to the item and press ENTER To store a number or setting press ENTER 1 Press MENU The main menu screen appears Choose Program 2 Choose Outputs 3 Choose Output Range Choose Output1 or Output2 4 Make the appropriate settings a Assign a value to the low ...

Страница 34: ...a high alarm and the other as a low alarm and AL3 can be assigned to sensor 2 Alarm 3 can be assigned to either sensor or used as a fault alarm The fault alarm activates when a fault exists in a sensor or the analyzer 2 FAULT ALARM A fault condition exists when the Solu Comp II detects a problem with a sensor or with the ana lyzer that is likely to cause seriously erroneous readings If Alarm 3 was...

Страница 35: ... To return to the main display press MENU followed by EXIT 7 For AL3 a Choose Sensor1 DO Sensor2 pH or Fault b For sensor 1 or 2 choose Measurement or Temp c Choose High or Low Set the deadband d Choosing Fault means AL3 will activate when a sensor or analyzer fault exists There is no user setting to make 8 The display returns to the Alarm Configure screen Select another alarm or press EXIT to ret...

Страница 36: ...3 AL3 5 The display shows the alarm selected AL1 and the configuration The alarm is for Sensor 1 S1 and the logic is high Use the arrow keys to change the alarm setpoint 6 The display returns to the Select Alarm screen Select another alarm or press EXIT to return to the previous screen To return to the main display press MENU followed by EXIT Calibrate Hold P Pr ro og gr ra am m Display A Al la ar...

Страница 37: ... Before converting the sensor current to a dissolved oxygen reading the Solu Comp II applies an input filter The filter reduces noisy readings but increases the response time The level of filtering is select ed by choosing the amount of time required for the display to reach 63 of a step change 3 PRESSURE UNITS During air calibration the analyzer uses the barometric pressure to calculate the parti...

Страница 38: ... compensation converts the pH at the measurement temperature to the pH at a reference temperature The Solu Comp II corrects the pH to a reference tempera ture of 25 C For an accurate solution temperature correction the exact composition of the solution must be known The Solu Comp II has built in temperature corrections for high purity water and for dilute solutions of a strong base The analyzer al...

Страница 39: ...he main display press MENU followed by EXIT 11 If Sensor 2 pH was selected the screen at left appears Select pH Redox or ORP If pH was selected go to step 12 otherwise go to step 17 12 Choose No if the pH sensing electrode is NOT a glass electrode 13 Choose Soln Temp Corr or Sensor Isoptntl 14 For Soln Temp Corr choose Off UltraPure HighpH or Custom For Custom enter the desired temperature coeffic...

Страница 40: ...tmospher ic oxygen Once the analyzer knows the partial pressure of oxygen it calculates the equilibrium solubility of oxygen in water using a temperature dependent factor called the Bunsen coefficient In automatic temperature compensation the analyzer performs the calibration using the temperature measured by the sensor 2 MANUAL TEMPERATURE COMPENSATION DISSOLVED OXYGEN In manual temperature compe...

Страница 41: ...r ra am m Display Temp S Se ec cu ur ri it ty y Sensors Outputs Alarms Measurement 5 6 3 Procedure To choose a menu item move the cursor to the item and press ENTER To store a number or setting press ENTER 1 Press MENU The main menu screen appears Choose Program 2 Choose 3 Choose Temp 4 Choose C F to change temperature units Choose Live Manual to turn on Live or turn off Manual automatic temperatu...

Страница 42: ...r from two sensors This section describes how to program the analyzer for single or dual sensors COMPLETE THIS SECTION BEFORE DOING OTHER PROGRAMMING 5 9 2 Procedure To choose a menu item move the cursor to the item and press ENTER To store a number or setting press ENTER 1 Press MENU The main menu screen appears Choose Program 2 Choose 3 Choose Sensors 4 Choose One or Two Choosing One configures ...

Страница 43: ...user has chosen to display data only from sensor 2 pH iii G is the impedance of the glass pH electrode 2 select a language 3 change the screen contrast 5 10 RESETTING FACTORY CALIBRATION AND FACTORY DEFAULT SETTINGS 5 10 1 Purpose This section describes how to re install factory calibration and default values The process also clears all fault mes sages and returns the display to the first quick st...

Страница 44: ...display appears Press ENTER For an explanation of abbreviations see Section 5 11 1 4 The display returns to the screen in step 2 To return to the main menu press MENU To return to the main display press MENU followed by EXIT Calibrate Hold Program D Di is sp pl la ay y D De ef fa au ul lt t D Di is sp pl la ay y Language Contrst 5 11 3 Procedure Choosing a Language 1 Press MENU The main menu scree...

Страница 45: ...nsitivity sensor current divid ed by oxygen concentration The sensor can also be calibrated against a referee instrument New oxygen sensors must be zeroed before being placed in service Sensors should also be zeroed every time the electrolyte solution is replaced Zeroing involves placing the sensor in an oxygen free environment until the sensor current drops to its lowest stable value For pH senso...

Страница 46: ...t 4 C at 25 C a 1 C error in temperature can produce about a 4 error in oxygen reading Temperature affects the measurement of pH in three ways 1 The analyzer uses a temperature dependent factor to convert measured cell voltage to pH Normally a slight inaccuracy in the temperature reading is unimportant unless the pH reading is significantly different from 7 00 Even then the error is small For exam...

Страница 47: ...as programmed in Section 5 6 to use the actual process temperature the screen at left will appear To calibrate the temperature change the number in the second line to match the temperature meas ured with the standard thermometer Press ENTER Go to step f If the calibration temperature is more than 2 or 3 C different from the live reading see Section 8 3 1 or Section 8 4 2 If the analyzer was progra...

Страница 48: ...xygen Chemical potential is the force that drives oxygen molecules from the sample through the membrane into the sensor Sensor current is proportional to the rate at which oxygen passes through the mem brane so current is really determined by the chemical potential of oxygen in the sample Because oxygen in air saturated water is in equilibrium with oxygen in water saturated air the chemical potent...

Страница 49: ...eft appears Sensor zero is complete and the analyzer has stored the zero current The screen remains until the operator presses MENU then EXIT to return to the main display NOTE Pressing ENTER during the zero step will cause the analyz er to use the present sensor current as the zero current If the sensor is zeroed before the current has reached a minimum stable value subsequent readings will be in...

Страница 50: ... reading is wrong enter the correct value NOTE If pressure is being measured by the analyzer entering a value will standardize the pressure sensor 9 The screen at left appears The top line is the current dissolved oxygen reading based on the previous calibration or for a first time calibration the default sensitivity 10 Once the reading is stable drift or noise less than 0 05 ppm in 10 sec onds th...

Страница 51: ...wed for the standard sensor to stabilize before calibrating the process instrument 1 Press MENU The main menu screen appears Choose Calibrate 2 Choose Sensor 1 dissolved oxygen For a single sensor configuration this screen will not appear 3 Choose Measurement 4 Choose InProcess 5 The screen at left appears The top line is the current dissolved oxygen reading based on the previous calibration Chang...

Страница 52: ...ant to within 0 02 units for 10 seconds The stability settings cannot be changed 2 SLOPE AND OFFSET Once the Solu Comp II suc cessfully completes the calibration it calculates and displays the calibration slope and offset The slope is reported as the slope at 25 C Figure 6 1 defines the terms 6 4 3 Procedure 1 Obtain two buffer solutions Ideally the buffer pH val ues should bracket the range of pH...

Страница 53: ...abilization press ENTER at any time m The top line shows the actual reading S2Live The analyzer also identifies the buffer and displays the nominal buffer value buffer pH at 25 C If the displayed value is not correct press or to select the correct value The nominal value will change for example from 7 01 pH to 6 86 pH Press ENTER to accept the nominal value n If the calibration was successful the ...

Страница 54: ... 2 SLOPE AND OFFSET Once the Solu Comp II successfully completes the calibration it calculates and dis plays the calibration slope and offset The slope is reported as the slope at 25ºC Figure 6 1 defines the terms 6 5 3 Procedure 1 Obtain two buffer solutions Ideally the buffer pHs should bracket the range of pH values to be measured Also obtain a thermometer The pH of most buffer solutions is a f...

Страница 55: ...e Wait until the read ing is stable then note the temperature Change the pH in the second line to the pH of the buffer at the measured temperature Press ENTER k If the calibration was successful the analyzer will display the offset and slope at 25 C The display will return to the screen in step b Choosing Sensor1 dissolved oxygen sensor will permit the dissolved oxygen measurement to be calibrated...

Страница 56: ...the grab sample immediately after taking it 4 For poorly buffered samples it is best to determine the pH of a continuously flowing sample from a point as close as possible to the sensor 5 Standardize the Solu Comp II analyzer by following the steps below C Ca al li ib br ra at te e Hold Program Display Calibrate Sensor1 S Se en ns so or r2 2 CalSensor2 M Me ea as su ur re em me en nt t Temp Invali...

Страница 57: ...isplay Calibrate Sensor1 S Se en ns so or r2 2 CalSensor2 M Me ea as su ur re em me en nt t Temp pH Slope 25 C S2 59 16mV pH Changing slope overrides bufcal Invalid Input S2 Standardize S Sl lo op pe e BufferCal S2 Standardize S Sl lo op pe e BufferCal 1 Press MENU The main menu screen appears Choose Calibrate 2 Choose Sensor2 pH sensor 3 Choose Measurement 4 Choose Slope 5 The screen at left appe...

Страница 58: ...f life Iron II iron III standard is available from Rosemount Analytical as PN R508 16OZ The ORP of the standard solution measured against a silver silver chloride reference electrode is 476 20mA at 25 C The redox potential is 476 20mA at 25 C 6 8 3 Procedure C Ca al li ib br ra at te e Hold Program Display Calibrate Sensor1 S Se en ns so or r2 2 CalSensor2 M Me ea as su ur re em me en nt t Temp Li...

Страница 59: ...ibrate the analyzer and sensor see Section 6 0 Clean the analyzer case and front panel by wiping with a clean soft cloth dampened with water ONLY Do not use solvent like alcohol that might cause a buildup of static charge 7 2 REPLACEMENT PARTS Many components of the analyzer are replaceable Refer to the table below to find the correct parts diagram Model Description See Figure 1055 10 Panel mounti...

Страница 60: ...r 24 Vdc 9 note Screw 4 40 x 0 31 in with integral washer 10 33658 00 Gasket rear cover for panel mount version 2 lb 1 0 kg 11 23838 00 Enclosure cover rear for panel mount version 115 230 Vac 2 lb 1 0 kg 11 23838 01 Enclosure cover rear for panel mount version 24 Vdc 2 lb 1 0 kg 12 note Self tapping screws 6 x 1 25 in TABLE 7 1 Replacement Parts for Solu Comp II Panel Mount Version FIGURE 7 1 Exp...

Страница 61: ...r 24 Vdc 10 note Screw 4 40 x 0 31 in with integral washer 11 23836 00 Enclosure rear for pipe surface mount version 3 lb 1 5 kg includes standoffs and hinge brackets not shown 23833 00 Surface mount kit consists of four self tapping 1 lb 0 5 kg screws 6 x 1 75 in and four O rings TABLE 7 2 Replacement Parts for Solu Comp II Pipe Surface Mount Version FIGURE 7 2 Exploded View of Solu Comp II Pipe ...

Страница 62: ...failed 8 2 2 Absolute Value of Measured Voltage Exceeds 2500 mV The voltage of a pH cell is usually between 600 mV and 600 mV and the voltage of an ORP cell is between 2000 and 2000 mV Readings outside the range 2500 mV to 2500 mV usually indicate a problem with sensor wiring or analyzer electronics A If the sensor is being installed for the first time check the wiring connections See Section 3 3 ...

Страница 63: ...for Sensor 1 or Sensor 2 is Open The Solu Comp II measures temperature using a three wire RTD See Figure 8 4 The in and return leads connect the RTD to the measuring circuit in the analyzer A third wire called the sense line is connected to the return line The sense line allows the analyzer to correct for the resistance of the in and return leads and to correct for changes in lead wire resistance ...

Страница 64: ...liquid C Is the standard temperature sensor submerged to the correct level D Review Section 6 2 8 3 2 Sensor Cannot be Zeroed High Zero Current A Is the sensor properly wired to the analyzer See section 3 2 B Is the membrane completely covered with zero solution and are air bubbles not trapped against the mem brane Swirl and tap the sensor to release air bubbles C Is the zero solution fresh and pr...

Страница 65: ...Air Is Too High or Too Low Possible Error Warning During Calibration A Is the sensor properly wired to the analyzer See Section 3 2 Verify that all connections are tight B Is the membrane dry The membrane must be dry A droplet of water on the membrane during air calibration will lower the sensor current and cause an inaccurate calibration C If the sensor current in air is very low and the sensor i...

Страница 66: ...lity is a function of temperature For the 499ADO and 499ATrDO sensors the time constant for response to a temperature change is about 5 minutes Therefore the reading may drift for a while after a sudden temperature change The time constant for the Gx438 and Hx448 sensors is much shorter these sensors respond fairly rapidly to temperature changes B Is the membrane clean For the sensor to work prope...

Страница 67: ...fers are highly susceptible to molds Alkaline buffers pH 9 and greater if they have been exposed to air for long periods may also be inaccurate Alkaline buffers absorb carbon diox ide from the atmosphere which lowers the pH If a high pH buffer was used in the failed calibration repeat the calibration using a fresh buffer If fresh buffer is not available use a lower pH buffer For example use pH 4 a...

Страница 68: ...e can shift the reference voltage many hundred millivolts To check the reference voltage see Section 8 6 8 4 4 Invalid Input While Manually Entering Slope If the sensor slope is known from other sources it can be entered directly into the analyzer The Solu Comp II will not accept a slope at 25 C outside the range 45 to 60 mV pH See section 8 4 2 for troubleshooting sensor slope problems 8 4 5 Sens...

Страница 69: ...se still persists simple grounding is not the problem Noise is probably being carried into the instru ment through the sensor wiring C Simplify the sensor wiring 1 Disconnect all sensor wires at the analyzer except pH mV IN REFERENCE IN RTD IN and RTD RE TURN See the wiring diagrams in Section 3 2 If the sensor is wired to the analyzer through a remote junc tion box containing a preamplifier disco...

Страница 70: ...rent A Connect a decade box to the analyzer as shown in Figure 8 1 B Set the decade box to the resistance shown in the table C Note the sensor current With the main display showing press until the sensor current screen is displayed D Change the decade box resistance and verify that the correct current is shown Calculate current from the equation current µA Problem See Section Current output is too...

Страница 71: ...t the voltage source as shown in Figure 8 2 Be sure to jumper the reference and solution ground ter minals 5 Calibrate the analyzer using the procedure in Section 6 3 Use 0 0 mV for Buffer 1 pH 7 00 and 177 4 mV for Buffer 2 pH 10 00 If the analyzer is working properly it should accept the calibration The slope should be 59 16 mV pH and the offset should be zero 6 To check linearity return to the ...

Страница 72: ... have been applied to make the measured temperature agree with a standard thermometer The offset is also applied to the simulated resistance The Solu Comp II is meas uring temperature correctly if the difference between measured temperatures equals the difference between the values in the table to within 0 1 C For example start with a simulated resistance of 103 9 Ω which corresponds to 10 0 C Ass...

Страница 73: ...ulfide is a good example Prolonged exposure to sulfide converts the reference electrode from a sil ver silver chloride electrode to a silver silver sulfide electrode The change in reference voltage is sev eral hundred millivolts A good way to check for poi soning is to compare the voltage of the reference electrode with a silver silver chloride electrode known to be good The reference electrode fr...

Страница 74: ...ly package the materials and enclose your Letter of Transmittal see Warranty If possible pack the materials in the same manner as they were received 4 Send the package prepaid to Rosemount Analytical Inc Uniloc Division Uniloc Division 2400 Barranca Parkway Irvine CA 92606 Attn Factory Repair RMA No ____________ Mark the package Returned for Repair Model No ____ 9 3 NON WARRANTY REPAIR The followi...

Страница 75: ...FOLD ALONG DOTTED LINES ...

Страница 76: ... updates and application news check one sales representative mail fax my fax number is ____________________ E mail my e mail address is ____________________ phone CUSTOMER SATISFACTION SURVEY Please let us know how satisfied you are with your new instrument MODEL ______________________________ How easy was it to do the following Very Easy Somewhat Not Very Not At All Easy Easy Easy Unpack 1 2 3 4 ...

Страница 77: ...ss or damage directly or indirectly arising from the use of the equipment or goods from breach of any warranty or from any other cause All other warranties expressed or implied are hereby excluded IN CONSIDERATION OF THE STATED PURCHASE PRICE OF THE GOODS SELLER GRANTS ONLY THE ABOVE STAT ED EXPRESS WARRANTY NO OTHER WARRANTIES ARE GRANTED INCLUDING BUT NOT LIMITED TO EXPRESS AND IMPLIED WARRANTIE...

Страница 78: ...6 USA Tel 949 863 1181 http www RAuniloc com Rosemount Analytical Inc 2000 Credit Cards for U S Purchases Only UNILOC DIVISION CUSTOMER SUPPORT CENTER 1 800 854 8257 The right people the right answers right now ON LINE ORDERING NOW AVAILABLE ON OUR WEB SITE http www RAuniloc com ...

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