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1. 1 7 Err reading is too high for display Dissolved oxygen 9999 ppb Display dissolved oxygen using ppm units Select displayed using ppb units d o unit from the menu then set to 1E 6 to and dissolved oxygen gt display ppm dissolved oxygen Error Messages for Temperature Error Description Causes Remedy E2 1 Temperature Err reading off scale Temperature less than 5 C Temperature less than 5 C Verify process and sensor location Electronic calibration necessary Follow procedure in APPENDIX G Electronic Hardware section E2 2 Temperature Err reading off scale Temperature greater than 105 C Temperature compensator not attached Attach temperature compensator Turn off temperature input Follow Input On Off Switch procedure in INSTRUMENT OPERATION section Connect resistor to TC terminals to simulate a constant temperature Refer to APPENDIX G Electronic Hardware section Temperature greater than 105 C Verify process and sensor location Electronic calibration necessary Follow procedure in APPENDIX G Electronic Hardware section Error Messages for Pressure Error Description Causes Remedy E3 1 Pressure Err reading off scale Pressure less than 75 kPa Pressure less than 75 kPa Turn off pressure input Follow Input On Off Switch pr
2. do d o Cc StAr FrEq Lizos l FULL l stop logging when buffer full cnt c o number of data points currently in buffer SENd do da ti date time format of logging data CLr do clear the buffer deleting all data points frequency of log update in seconds send logging data using serial port m internal data log menu while logging StOP do in d o FrEq 60 frequency of log update in seconds Cont continue logging overwriting oldest data FULL StOP stop logging when buffer full ent 626 number of data points currently in buffer SENd do send logging data using serial port da ti _ 1 date time format of logging data Figure 24 Internal data log menu 869 Instructions continue logging overwriting oldest data Data Logging Setup for Data Logging 1 Select iLOG FrEq from the display This number is the logging frequency specified in seconds For 1 second intervals use 1 for 1 minute intervals use 60 or for 1 hour intervals use 3600 Any interval from 1 to 9999 seconds can be specified 2 Select iLOG in from the menu Select one of the available inputs for logging Only one input can be logged internally at any one time In addition to the D O temperature and pressure inputs the battery voltage can also be logged 3 Select iLOG FULL from the menu This setting specifies what the analyzer should do when the logging
3. PAS 2 from the menu The analyzer will display 0000 Use the arrow keys to change the display to the desired password for level 2 Page 32 IC CONTROLS You can press SAMPLE at any time to safely cancel password entry Press ENTER to enter the password into memory and to enable password security The analyzer program automatically returns to the configuration menu With only password 2 set to a non zero value level 2 access is required to make changes in the configuration menu but all other settings are unprotected Effectively the user will always have at least level 1 access At this point password 1 is still 000 You may optionally enable operator access control or level 1 security by changing the level 1 password from 000 to a non zero value Change the password by selecting CONF PAS 1 from the menu then entering an appropriate 3 digit password You may want to write down the passwords you set and store them in a secure place Once a password has been set there is no way to redisplay it Since passwords are set in the configuration menu level 2 access is required to change either password If you have forgotten the level 2 password there is no simple way to regain access to the analyzer Contact IC CONTROLS if you find yourself locked out of the analyzer Disabling Password Security Password security can be disabled by setting the level 2 password to 0000 In order
4. The analyzer will display ACC 0 indicating that we have returned to the lowest access level Page 33 INSTRUMENT MAINTENANCE IC CONTROLS INSTRUMENT MAINTENANCE The dissolved oxygen sensors provided by IC CONTROLS are designed for simple maintenance The sensors are robust and will withstand difficult applications when properly applied and maintained Follow instructions in this section to promote proper operation Table 1 Recommended Maintenance Schedule Frequency Operation Weekly Check flow rate Visual inspection Monthly Inspection of sensor calibration Yearly Replace Membrane Module Replace Electrolyte Weekly Visual Check 1 Remove sensor from flowcell and check for clean internals and smooth membrane 2 Inspect flowcell and sample lines for leakage 3 Check that there are no error indications and displayed concentration is reasonable Monthly Calibration Check Certain applications may require occasional sensor cleaning 1 Do a visual examination of the sensor cell area If needed a soft wipe can be used to blot plus detergent and water to remove any deposits 2 After cleaning rinse the sensor cell area thoroughly with demineralized water 3 Perform a calibration and return analyzer to service Refer to the CALIBRATION section for step by step instructions 4 Black or red discoloration inside the sensor cap may cause problems If after calibration the electrode response is slow
5. 9 79 9 59 9 40 9 21 9 04 8 86 8 70 8 53 8 38 8 23 8 09 7 95 7 81 7 68 7 55 7 43 7 31 7 19 7 07 6 96 6 85 6 74 6 64 6 53 6 43 6 33 6 24 6 14 6 05 5 95 5 86 5 76 5 67 5 58 104 14 95 14 56 14 16 13 79 13 42 13 09 12 75 12 44 12 13 11 85 11 56 11 30 11 03 10 79 10 54 10 32 10 10 9 89 9 68 9 49 9 30 9 13 8 95 8 79 8 62 8 47 8 31 8 17 8 02 7 89 7 76 7 63 7 50 7 38 7 26 7 15 7 03 6 92 6 81 6 71 6 60 6 50 6 40 6 30 6 20 6 11 6 01 5 92 5 83 5 74 5 64 105 15 10 14 70 14 30 13 93 13 56 13 21 12 87 12 56 12 25 11 96 11 67 11 40 11 14 10 89 10 65 10 42 10 20 9 99 9 78 9 58 9 39 9 21 9 03 8 87 8 70 8 55 8 39 8 25 8 10 7 97 7 84 7 71 7 58 7 46 7 34 7 22 7 11 7 00 6 89 6 78 6 68 6 57 6 47 6 37 6 27 6 17 6 08 5 98 5 89 5 80 5 70 106 15 25 14 84 14 43 14 06 13 69 13 34 13 00 12 68 12 37 12 08 11 79 11 52 11 24 11 00 10 75 10 52 10 28 10 08 9 87 9 67 9 47 9 30 9 12 8 96 8 79 8 64 8 48 8 33 8 18 8 05 7 91 7 78 7 65 7 53 7 41 7 30 7 18 7 07 6 95 6 85 6 74 6 64 6 53 6 43 6 33 6 24 6 14 6 05 5 95 5 86 5 77 Page 45 APPENDIX D DISPLAY PROMPTS IC CONTROLS APPENDIX D DISPLAY PROMPTS 1E 6 Part per million D O unit selection in scientific HI High alarm high limit for O to 1 VDC output notation window 5VDC
6. Re insert the 100 ohm 1 resistor and adjust as in step 3 until the display reads 0 0 0 1 C 7 Re insert the 138 5 ohm 1 resistor and adjust as in step 4 above until the display reads 100 0 0 1 C Software Calibration To do a software calibration of the temperature input the correct temperature needs to be known 1 Select CONF in C CAL from the menu The actual temperature as measured by the temperature sensor will be shown Edit the displayed value to the known correct temperature Press ENTER to leave edit mode then SELECT to start the calibration 2 The current temperature will be shown using a flashing display When it looks like the input is stable press ENTER to set the new temperature The software offset for the temperature input will be adjusted automatically 3 The calculated offset in degrees Celsius can be viewed by selecting CONF in C OFFS from the menu Whenever the hardware alignment is correct the offset will be 0 0 The displayed offset can be edited Page 49 APPENDIX G ELECTRONIC ALIGNMENT Alignment of Pressure Input Circuit The pressure input can be adjusted both by making electronic adjustments and or by having the program compensate for differences in offset Both procedures are described below Adjusting Electronic Calibration 1 Obtain the current barometric pressure from your local weather station or
7. b If cell response remains slow chemically clean and restore using IC CONTROLS P N A1100194 Dissolved Oxygen Sensor Renew Solution Replace the membrane module and return to service Readings trend where expected but spike high This problem is typical of air bubbles in the sample line If a bubble hangs up in the D O flow cell you may see a high surge that slowly falls over some hours Correct by finding air in leakage point and stopping leak TIP How to clear an air bubble You can clear an air bubble stuck in the flow cell by loosening the cell retaining nut and letting the cell rise up a bit then pressing it back in until it bottoms Another way to clear an air bubble is to temporarily increase the sample flow 869 Instructions IC CONTROLS TROUBLESHOOTING DO Sensor Chemical Cleaning Recover of failing DO sensors can sometimes be achieved with p n A1100194 DO sensor cleaning solution This procedure should be done over a sink Wear plastic or rubber gloves as the solution is acidic Wash hands thoroughly with lots of water if the solution comes in contact with the skin 1 Remove the protective cap exposing the coils and gold tip 2 Immerse in cleaning solution as shown Figure 31 for 5 to 10 minutes or until deposits disappear 3 Remove and rinse in Distilled or Demin water use wiping or toothbrush to speed removal 4 Repeat 2 amp 3 until coils and tip look clean and have a grey shin
8. hour prior to calibration 6 Calibrate and place in service Cleaning the 869 housing 1 For light dust use demin water on a lint free wiper wipe LCD window first then other areas of the enclosure 2 For heavy dirt use methyl hydrate on a lint free wiper wipe LCD window first then other parts of the enclosure 869 Instructions IC CONTROLS Assembly of the Dissolved Oxygen Sensor This procedure should be done over a sink Warning The electrolyte solution is caustic Wear thin plastic or rubber gloves Wash hands thoroughly with lots of water if the electrolyte comes in contact with the skin Rinse until the slippery feel of the caustic disappears 1 Remove the protective cap exposing the coils and silver tip Inspect the electrode to ensure the coils are clean and the silver electrodes are bright and not tarnished If tarnished wipe with a lint free wiper 2 Install a membrane module in the cap with the membrane facing down so that it covers the center hole in the cap 3 Flush the coils of the electrode with electrolyte solution Then holding the electrode cap with membrane module installed in an upright position fill with electrolyte until the center cavity is full Tilt at about 60 and add an extra 1 8 inch of electrolyte observing that the crack around the membrane module fills with electrolyte 4 Hold the cap like a cup and slowly lower the electrode coils vertically down into the cap until
9. the threads touch Rotate the sensor body until you can see the flat area through the threads Flat for bubble S release Figure 30 D O cell assembly 869 Instructions INSTRUMENT MAINTENANCE Slowly rotate the cap on allowing the excess electrolyte and bubbles to overflow up the flat area Continue to slowly rotate the cap until a firm stop is reached Warning Do not force the cap beyond the stop The parts are plastic and may break 5 Dry the sensor and blot the tip Examine the tip the membrane should be smooth with no wrinkles or cuts and the surface contours of the silver electrode should be clear There should be no lines from trapped bubbles between the membrane and the silver electrode If there are no visible problems as described here then the sensor is ready to be put into service Re Inserting the Sensor into the Flowcell Refer to the step by step instructions in the CALIBRATION section Recommended Supplies Table 2 Recommended Supplies Cat No Item A2103013 Fill Solution Kit contains Fast Response membrane module O ring and electrode internal fill solution A1100193 Zero dissolved oxygen standard A1100192 Deionized water rinse solution A2103009 Replacement dissolved oxygen electrode for A2103010 CPVC flowcell Page 35 TROUBLESHOOTING TROUBLESHOOTING The following section covers troubleshooting that can be performed mostly without special tools or skills In C
10. to become hydroxyl ions and a lead anode that produces a fixed potential regardless of oxygen concentration to complete the circuit The chemical reactions within the cell are At the cathode O2 2H20 Ae 40H At the anode 2Pb 2Pb Ae Overall O2 2H20 2Pb 2Pb20H The advanced electrode design permits fast and accurate measurements on both rising and falling dissolved oxygen Principles of Calibration At any given temperature and barometric pressure the partial pressure of oxygen in water saturated air is exactly the same as it is in air saturated water Thus a sensor can be calibrated in water saturated air using the 20 9 oxygen available in air as the full scale standard and it will correctly read dissolved oxygen in water samples Both temperature and barometric pressure affect the partial pressure of oxygen in air saturated with water vapor The 869 has microprocessor memory programmed with all the values as well as automatic temperature and barometric pressure sensors so it can automatically obtain the correct data look up the dissolved oxygen table compute the correct gain and calibrate the analyzer The operator need only remove the cell and suspend it over a beaker of water This calibration technique will give a 100 saturation reading for the temperature and pressure which the 869 will display as ppm dissolved oxygen To calibrate the sensor simply suspend the probe above water and let the analyz
11. 015 O2 Flow Control Connector Xon Xoff Hardware None Parity None Odd Even Mark Space L Parity Check COM1 a COM2 D C Carrier Detect Figure 19 Communications settings connection on your computer 4 To capture data into a file select Transfers Receive text file from the menu Specify the file name and location Example c logs log01 dat The terminal program will now store any ASCII data sent out by the analyzer into the specified file 5 To stop or pause data collecting use the buttons at the bottom left of the window 869 Instructions INSTRUMENT OPERATION Example Windows 95 98 NT Hyperterminal To illustrate the capturing of data on a computer following is the description for loading and setting up the Hyperterminal program versions of which come with Windows 95 Windows 98 and Windows NT 1 From the Start menu select Programs Accessories Communications Hyperterminal Win95 98 or Programs Accessories Hypterterminal WinNT then click on the Hyperterminal program icon 2 For a new communications setup you will be prompted for the name of the connection Give the connection a descriptive name e g 869 analyzer then click on OK 3 In the Connect To dialog box click on the Connect using list and select the COM port to which the 869 is connected e g select COM1 4 Inthe COM1 Properties dialog box use the fol
12. 2 30333 zenale SS Mag mg axl CWAS COM DAS OWDI 13 Page 51 869 Instructions IC CONTROLS APPENDIX H DRAWINGS Mounting Dimensions ost ed A2 2900264 Tome spe ANT TILA 698 JILIL opouvy Olu0zUp a Aabu0ug ddo UD IR HESE STOULNOD dl 370P A9 SSHONI NI 11y IV SNOISNAWIC EREL JLON 0000 2T 0000 rT 869 Instructions Page 52 IC CONTROLS APPENDIX I SPECIFICATIONS APPENDIX I SPECIFICATIONS Measuring Range 1 to 10 000 ppb Dissolved Oxygen Display Four and one half LCD digits for concentration temperature pressure efficiency error codes prompts and diagnostic information Signal Outputs continuous assignable programmable 0 to 1 VDC RS 232 Bidirectional Serial Data Port Accuracy Standard deviation 2 of reading or 1 ppb whichever is greater Precision Standard deviation 2 of reading or 1 ppb whichever is greater Sample Conditions Temperature 2 to 45 C 35 to 113 F Sample flow 50 mL min minimum 200 mL min maximum Pressure less than 400 kPa 60 PSIG 4 Bar pH greater than 4 Specifications subject to change without notice 869 Instructions Response Time 90 within 2 minutes function of flow Sample Inlet 1 4 tube Quick Connector fitting Sample Outlet 1 4 tube Quick Connector fitting Calibration In water vapour saturated air
13. Diagnostic to display 0 5 VDC raw input Hold Output hold voltage for D O input ILOG Internal data log ACC n Access level for security Displayed after in Input menu or setting password entered by user kPa kPa units for pressure Auto Automatic ranging for D O circuit yes no LO Low alarm low limit for O to 1 VDC output switch window bAt v Battery voltage OFF off bAud Baud rate for serial communications OFFS Offset C Temperature in degrees Celsius use metric on on units ON OF On off setting CAn n Numbered caution message in error menu out output menu dEv Deviation alarm out 1 firstoto 1 VDC analog output channel CAL Calibrate analyzer PAS 1 Set password 1 operator access CLSd Normally closed alarm contact PAS 2 Set password 2 complete access CONF Configuration of program to match hardware PASS Enter password to change access level cur Signal output in mA or current Pr C Pressure compensation setting d o Dissolved oxygen input PrES Pressure EFF D O cell efficiency constant as efficiency PSI PSI units for pressure Adjusted by calibration rANG Analyzer D O input range selection Err Error or caution number Numbered messages rES Reset calibration settings 1 through 5 are errors messages 6 rNG n Range number for D O measuring circuit through 9 are cautions SEr Serial communications menu Er 94 Startup condition RA
14. Electrode 3 electrode design 4 assembly 7 35 maintenance 34 Electronic alignment 49 Enter key 8 12 28 Error codes 11 14 29 36 Err 11 36 CA 1 7 14 E 1 1 14 36 E 1 2 14 36 E 1 3 14 36 E 1 4 14 37 E 1 5 14 37 E2 1 14 37 E2 2 14 E 3 1 14 E 3 2 14 E 9 1 14 38 error key 8 meaning of 46 Error key 8 14 Excel spreadsheet 20 Fahrenheit SEE ALSO Units Flowcell 29 mounting 6 Front panel 8 Galvanic cell 4 Home base 11 Imperial units Input 11 13 IC CONTROLS on off switch 12 14 Installation 47 flowcell mounting 6 sensor 7 wiring 6 Keypad 8 arrow keys 12 kPa 13 SEE ALSO Units LED 8 Maintenance 34 monthly 34 weekly 34 yearly 34 Manual pressure compensation setpoint 30 Manual temperature compensation selecting 30 setpoint 30 Membrane module 35 Memory test 11 Menu 11 adaptive 12 14 edit settings 12 home base 11 layout 11 Metric units 11 13 Mounting dimensions 52 Ordering information 43 Output reversing 16 settings 16 span 16 wiring 16 Output hold 28 29 timeout 11 Outputs default settings 44 output hold 29 set up 11 simulated 17 standby mode 15 units 17 869 Instructions IC CONTROLS Parts 43 recommended supplies 35 Password 32 entering 33 Pressure 38 45 50 measuring circuit 50 units 13 17 Pressure compensation 28 30 45 selecting type 30 setting 30 Principles of Calibration 4 Principles of measurement 3 Prompts 46 PSI 13 SEE ALSO Units Quattro Pro spreadsheet 20 Ran
15. above for zero standard but it may take a while to get to low ppb levels and or zero may never be reached Keep about 2 to 3 inch below surface Figure 26 DO sensor zero Page 29 869 CALIBRATION Temperature Compensation Almost all industrial applications encounter fluctuating temperature and need rapidly responding automatic compensation IC CONTROLS dissolved oxygen sensors have a TC built into the dissolved oxygen sensor The TC is wired to the analyzer allowing the 869 analyzer to provide digital temperature compensation Selecting Manual Temperature Compensation To see the current temperature compensation method used by the 869 analyzer during calibration select d o t c from the menu See Figure 27 At this point either Auto for automatic temperature compensation or SEt for manual temperature compensation setpoint will be displayed depending on the current setting To change the setting from Auto to SEt press ENTER to edit the current setting The display will start blinking indicating that a selection needs to be made Use the Up or Downarrow key to display SEt Press LENTER to select manual temperature compensation With SEt still displayed press SELECT gt to display and or adjust the temperature setting to be used with manual temperature compensation If the current value needs to be changed press ENTER to edit the current setting The display will start blinkin
16. and the input values will be loaded in columns B C etc The date time stamp will be treated as text while the input values will be treated as numeric values that can be graphed manipulated etc _ Microsoft Excel LOG DAT Il Quattro Pro NOTEBKI WB2__ File Edit View Insert Format File Edit View Block Notebook Tools Data Window Help Graphics Tools Window Help Teen eee Ait Ia fio Tei i 10pt Normal General Fe 980910 11 41 57 1 1980910 11 41 57 980910 11 47 59 271980910 11 47 59 980910 11 48 00 3 980910 11 48 00 I s 980910 11 48 01 4 1380910 11 48 01 3 A 980910 11 48 02 980910 11 48 02 EI 980910 11 48 03 6 1990910 11 48 03 E 980910 11 48 04 7 19980910 11 48 04 3 i 980910 11 48 05 lt gt NUM READY Figure 20 Excel spreadsheet Figure 21 Quattro Pro spreadsheet Page 20 869 Instructions IC CONTROLS Date Time Formats The different types of data that the analyzer can send out all support date time stamping In the respective menus the date time format is selected in the da ti frame and is entered as a simple number Following are examples of the date time formats available and the format numbers that need to be specified to select a particular date time format Date Time Formats 1 Sun Sep 16 01 03 52 1973 2 15 Dec 1997 01 03 52 3 mm dd yy 01 03 52 4 dd mm yy 01 03 52 Time only Formats L 13203252 11 1 03 52 p
17. capability Other considerations include an easy to use simple and accurate calibration approach and capability to communicate with RS 232 to download logging results to your computer GENERAL INFORMATION A Volometer Gol cathode Tefbn mem brane God cathode O 2H 0 4e gt 40H Lead anode Pb gt P Ze E Bcto ye soliton Figure 4 Basic Galvanic Cell Principles of Measurement The 869 trace dissolved oxygen measuring sensor is an electrochemical cell similar to a battery that produces a current when oxygen is present By using carefully selected electrodes in contact with an appropriate electrolyte a chemical reaction occurs that uses electrons gained from oxygen molecules to produce a galvanic current directly proportional to the concentration of oxygen present Also unlike an electrolytic cell in which a flow of current produces the chemical reaction there is no zero current as galvanic Lead anode KOH filsoliton hsubtor Sensorbody Figure 3 Galvanic Dissolved Oxygen Sensor 869 Instructions Page 3 GENERAL INFORMATION current naturally is zero when zero oxygen is present This is a big advantage for trace ppb level operation The 869 uses a galvanic cell separated from the sample by an oxygen permeable PTFE membrane The cell has a gold cathode in close contact with the PTFE membrane where oxygen gains electrons is reduced
18. caustic disappears 1 Remove the protective cap exposing the coils and silver tip Inspect the electrode to ensure the coils are clean and the silver electrodes are bright and not tarnished If tarnished wipe in the direction of the coils with a lint free paper towel Note Ensure brown O ring is mounted against ledge in cap before membrane is installed Flat for bubble a release 60 degree angle Figure 7 D O cell assembly 2 Install a membrane module in the cap with the membrane facing down so that it covers the open end of the cap 3 Flush the coils of the electrode with electrolyte solution Then holding the electrode cap with 869 Instructions Description of Model 869 Analyzer membrane module installed in an upright position fill with electrolyte until the center cavity is full Tilt at about 60 and add an extra 1 8 inch of electrolyte observing that the crack around the membrane module fills with electrolyte 4 Hold the cap like a cup and slowly lower the electrode coils vertically down into the cap until the threads touch Rotate the sensor body until you can see the flat area through the threads Slowly rotate the cap on allowing the excess electrolyte and bubbles to overflow up the flat Continue to slowly rotate the cap until a firm stop is reached Warning Do not force the cap beyond the stop The parts are plastic and may break 5 Dry the sensor and blot the tip Examine t
19. dealers distributors representatives and employees of IC CONTROLS which are inconsistent or in addition to the terms of this warranty shall not be binding upon IC CONTROLS unless in writing and signed by one of its officers Page 42 869 Instructions IC CONTROLS APPENDIX A PARTS LIST APPENDIX A PARTS LIST Part No Description 869 A2103009 A2103013 A1100192 A1100192 6P A1100193 A1100193 6P A1100194 A2103102 A2103010 A2103020 A2103021 A2103022 A7201490 A9551054 A7201415 A7211415 A7221415 A9201030 A9201015 A9051032 A9051031 A9141021 A919001 1 Dissolved Oxygen Analyzer Model 869 1 ppb to 10 000 ppb Low level dissolved oxygen analyzer Includes electronic housing with large character display one voltage output RS232 serial link oxygen electrode complete with housing and attached 2 ft shielded cable maintenance kit includes membrane module O ring and fill solution CPVC flow cell and one instruction manual Wired for 115 220V 50 60 Hz 50 watts Replacement dissolved oxygen electrode for A2103010 flowcell with attached 2 ft double shielded cable and fill solution kit which includes membrane module O ring and internal fill solution Fill solution kit includes fast response membrane module O ring and internal fill solution Deionized water rinse solution for cleaning sensor internals Six pack of deionized water rinse solution for cleaning sensor internals six 500 mL bottles
20. drain Flow meter Flow valve Dk lt lt Pressure reducing valve gt Bypass Ka filter ae valve Inlet valve Drain at Figure 2 Optional Dirty and Pressure Applications 869 Instructions IC CONTROLS GENERAL INFORMATION Introduction Dissolved oxygen is a measure of the amount of oxygen usually thought of as a gas that is dissolved in aliquid such as water Oxygen is essential to life and is the most common element found taking part in corrosion reactions It is this corrosion reaction that provides the main need for the 869 Dissolved Oxygen Analyzer which is designed to run normally at low part per billion ppb levels Mechanically hard and porous metal oxide deposits have little strength and form rapidly in the presence of water and oxygen Rapid corrosion will occur inside an industrial utility boiler system unless dissolved oxygen can be virtually eliminated Corrosion results in expensive repairs or equipment failures and subsequent replacement The 869 is designed to measure the oxygen in flowing boiler water samples The operating range of 1 ppb to 10 ppm allows measurement of samples from condensers valves and fittings with low level precision to show the performance of oxygen removal equipment and chemical scavengers Designed for portable use with quick disconnects for flowing sample hookup to minimize oxygen inleakage to the sample plus sample results logging
21. from a barometer 2 Remove any offset calculated by a previous software calibration of the pressure input Select CONF in PrES OFFS from the menu and edit the offset to read 0 0 3 Setup a precision multimeter Fluke 8051A or equivalent to read VDC 4 Use the TEMP sensor connection TB201 2 as common See wiring diagram Adjust blue trimpot VR203 located at top of board for a reading of 2 50 V at TP204 Refer to wiring diagram for component locations 5 Close the case and press the SAMPLE key followed by two down arrow keys to display the pressure reading Reading should be within 0 1 kPa of the pressure obtained in step 1 Software Calibration 1 Obtain the current barometric pressure from your local weather station or from a barometer 2 Select CONF in PrES CAL from the menu The actual pressure as measured by the pressure sensor will be shown Edit the displayed value to the known correct pressure Press ENTER to leave edit mode then SELECT to start the calibration 3 The current pressure will be shown using a flashing display When it looks like the input is stable press ENTER to set the new pressure The software offset for the pressure input will be adjusted automatically 4 The calculated offset in kPa can be viewed by selecting CONF in PrES OFFS from the menu Page 50 IC CONTROLS Calibration of Output Use
22. grab sample number followed by the date time stamp The sample above used format 1 Refer to the RS232 COMMUNICATIONS Date Time Formats section for specific date time formats The first number following the date time is the D O measurement in ppb D O The units for ppb are always D O regardless of the units setting in d o unit used by the sample display The last number is the temperature at which the grab sample was taken The units used here respect the metric imperial setting in CONF unit To send serial grab sample data from the analyzer 1 Connect the analyzer to the computer using the supplied serial cable 2 Set up the communications program as outlined in the RS232 COMMUNICATIONS section 3 Select the desired date time format from GrAb da ti 4 Select GrAb SEnd from the display then press Enter on the flashing do The analyzer will only send out grab samples that have been stored The display will rapidly display the numbers 1 through 150 while it is sending or checking each grab sample in turn 869 Instructions Grab Sample Measurements Page 23 Data Logging Data Logging The 869 analyzer provides two methods for logging information to be sent out using the serial port automatic continuous output at specified intervals of the 4 measurements available to the analyzer D O temperature pressure and internal battery voltage internal logging of approx
23. replace the electrolyte and wipe the coils lightly using a soft wipe to try and remove the deposits Recharge with fresh electrolyte Black or red discoloration may be accompanied by very slow response that does not go away with standard maintenance Refer to the TROUBLESHOOTING section Page 34 5 Place the electrode back into sample and run one hour prior to calibration If the response time is still slow the membrane module may need replacement Follow Yearly Maintenance procedure Use of an inlet filter upstream of sensor will prolong membrane life 6 Calibrate and return the sensor to service Yearly Maintenance Replacement of Membrane Module and Electrolyte 1 Unscrew the electrode cap and dump the contents 2 Flush the cell internals with demineralized water and rinse with electrolyte 3 Examine the lead coils for black or red discoloration or heavy grey coating Such coatings should be removed for best performance caution the lead coils are soft metal never use force in cleaning 4 Clean light fouling by wiping in the direction of the coils until a shine appears Heavier foulings may come off with a toothbrush worked along the coils so the bristles get down in the cracks followed by rinse and wiping to achieve a dull shine 5 Remove the old membrane module from the cell and replace with a new one Follow procedure under Assembly of DO Sensor Place electrode back into sample and run at least one
24. unhindered Select PASS from the main menu again Enter the level 2 password which is 0002 We are going to set the level 2 password to 0000 again to disable password security Password 2 is found in the configuration menu and therefore requires level 2 access before it can be accessed Select CONF PAS 2 from the menu Press Enter with 0000 displayed Both passwords are set to 0000 again and password security is disabled ENTER PASSWORD YES PASSWORD 2 ENTERED NO YES PASSWORD 1 ENTERED 9000 ENTERED ACCESS ACCESS ACCESS ACCESS LEVELO LEVELO LEVEL 1 LEVEL 2 VIEW ONLY VIEW ONLY OPERATOR COMPLETE DISPLAY DISPLAY DISPLAY DISPLAY Laag L seg Loseal ACC 0 acc ACC 2 Figure 29 Password validation 869 Instructions SECURITY Entering a Password With security enabled the operator will need to enter a password to gain full access to all analyzer functions To enter a password select PASS from the main menu The analyzer will display 0000 Use the arrow keys to display your level 1 or level 2 password then press ENTER The program will display good followed by your access level before returning to the main menu If an incorrect password was entered the program displays bAd instead Refer to the chart at left to determine how the program validates a passw
25. will be stored will be accurate 2 When ready to store a sample select GrAb from the main menu 3 From the grab sample menu select Stor Refer to figure 23 4 Press Enter to specify the grab sample number that needs to be stored With the display flashing use the arrow keys to adjust the sample number Press the Enter key again when finished 5 Press the Select right arrow key again to show a D O reading The display will be blinking to indicate that the analyzer is ready to accept the displayed reading 6 When you are satisfied with the displayed D O measurement press Enter to store the grab sample measurement in the analyzer s memory The measurement will automatically be time date stamped internally sample IC CONTROLS 7 Press the Sample key to return to normal measurement operation or use the left arrow key to return to the grab sample menu 8 If desired the same grab sample measurement number can be repeated When the same sample number is used the previous measurement and date time stamp will be overwritten Viewing a Grab Sample Measurement The analyzer can display a D O measurement from a grab sample measurement which has already taken 1 Select GrAb GEt from the menu to get a measurement from the analyzer menu N Press Enter to specify the grab sample number that needs to be retrieved With the display flashing use the arrow keys to adjust the sample number Press
26. zero dissolved oxygen standard 500 mL bottle Six pack of zero dissolved oxygen standard Dissolved oxygen electrode renew solution 500 mL bottle ppb D O terminal program for 869 on 3 5 inch diskette CPVC flowcell assembly Assy CPVC nut and electrode push sleeve for A2103010 flowcell Replacement ppb DO electrode cap for P N A2103009 DO sensor Flowcell mounting clamp and screws for A2103010 flowcell Stainless steel inlet fittings and O ring O ring for inlet fitting Stainless steel Quick Connector Bulkhead fitting Stainless steel Insert Stem for quick connector sample lines Stainless steel Insert Plug for quick connector Serial cable watertight to DB9 10 feet Sub assembly inter board connector Replacement ppb D O power board 869 complete Replacement ppb D O display board 869 complete Assembly 869 case with keypad Power supply UNIVERSAL 95 250 VAC 869 Instructions Page 43 APPENDIX B DEFAULT SETTINGS IC CONTROLS APPENDIX B DEFAULT SETTINGS The following program settings are the default settings for the analyzer New analyzers will have these settings unless the setup has already been customized for your application Output Input to be D O transmitted Low setting 0 ppb High setting 100 ppb Units ppb ON OFF switch ON Page 44 Global units Metric units Temperature in degrees Celsius Pressure in kPa Security Not enabled Temperature compensation Automatic TC using temperature input Press
27. 0 25 0 101 3 The first number is a sequential number The next part of each line is the date time stamp The sample above used format 1 Refer to the RS232 COMMUNICATIONS Date Time Formats section for specific date time formats The last part of each line describes each event tag either ANALYZER OFF ANALYZER ON En n CAn n or CAL For cal parameters the numbers represent ppb D O efficiency temperature in C and pressure in kPa If imperial units are selected in the configuration section temperature will display in F and pressure will display in PSI To send event tags from the analyzer 1 Connect the analyzer to the computer using the supplied serial cable 2 Set up the communications program as outlined in the RS232 COMMUNICATIONS section 3 Select the desired date time format from SEr ETAG da ti 4 Select SEr EtAG SEnd from the display then press Enter on the flashing do The analyzer will send all the event tags The 869 Instructions System Event Tags display will rapidly display the numbers 1 through 40 while it is sending each data point Page 27 869 CALIBRATION 869 CALIBRATION Removal of the Dissolved Oxygen Sensor 1 Stop the sample flow to the dissolved oxygen sensor by disconnecting at the sample quick connector 2 Leave the drain connection to atmosphere in place outlet CAUTION Removal of the dissolved oxygen sensor from a sealed flowcell wi
28. 0 42 10 17 9 95 9 72 9 52 9 31 9 12 8 92 8 75 8 57 8 41 8 24 8 09 7 94 7 80 7 65 7 52 7 38 7 26 7 13 7 02 6 90 6 79 6 67 6 57 6 46 6 36 6 25 6 16 6 06 5 97 5 87 5 78 5 68 5 59 5 50 5 41 5 32 5 24 5 15 97 13 94 13 57 13 20 12 86 12 52 12 20 11 89 11 60 11 30 11 04 10 77 10 52 10 28 10 05 9 83 9 62 9 41 9 21 9 02 8 84 8 66 8 50 8 33 8 18 8 02 7 88 7 73 7 60 7 46 7 34 7 21 7 09 6 98 6 86 6 75 6 64 6 53 6 43 6 33 6 23 6 13 6 03 5 94 5 84 5 75 5 66 5 57 5 48 5 39 5 30 5 21 98 14 09 13 71 13 34 12 99 12 65 12 33 12 01 11 72 11 42 11 15 10 89 10 64 10 39 10 16 9 93 9 72 9 51 9 31 9 12 8 93 8 75 8 59 8 42 8 26 8 11 7 96 7 82 7 68 7 55 7 42 7 29 7 17 7 05 6 94 6 82 6 71 6 60 6 50 6 40 6 30 6 20 6 10 6 00 5 91 5 82 5 72 5 63 5 54 5 45 5 36 5 27 99 14 23 13 85 13 48 13 13 12 77 12 45 12 13 11 84 11 54 11 27 11 00 10 75 10 50 10 26 10 03 9 81 9 60 9 41 9 21 9 03 8 84 8 67 8 51 8 35 8 19 8 04 7 90 7 76 7 63 7 50 7 37 7 25 7 13 7 01 6 90 6 79 6 68 6 57 6 46 6 36 6 26 6 16 6 06 5 97 5 88 5 79 5 69 5 60 5 51 5 42 5 33 100 14 37 13 99 13 61 13 26 12 90 12 58 12 25 11 96 11 66 11 39 11 11 10 86 10 60 10 37 10 13 9 92 9 70 9 50 9 30 9 12 8 93 8 76 8 59 8 44 8 28 8 13 7 98
29. 13 13 13 11 50 50 42 19 19 6 16 6 6 18 51 29 29 Page 55
30. 7 84 7 70 7 57 7 44 7 32 7 20 7 09 6 97 6 86 6 75 6 64 6 53 6 43 6 33 6 23 6 13 6 04 5 94 5 85 5 76 5 67 5 57 5 49 5 40 APPENDIX C SATURATED DO VALUES as parts per million During calibration the 869 analyzer uses the table below to determine the efficiency of the cell 101 14 52 14 13 13 75 13 39 13 04 12 71 12 38 12 08 11 77 11 50 11 22 10 96 10 71 10 47 10 24 10 02 9 80 9 60 9 40 9 21 9 03 8 85 8 68 8 52 8 36 8 21 8 06 7 92 7 78 7 65 7 52 7 40 7 28 7 16 7 05 6 93 6 82 6 71 6 61 6 50 6 40 6 30 6 20 6 10 6 01 5 91 5 82 5 73 5 64 5 55 5 46 101 3 14 57 14 17 13 79 13 43 13 08 12 74 12 42 12 11 11 81 11 53 11 26 10 99 10 74 10 50 10 27 10 05 9 83 9 63 9 43 9 24 9 06 8 88 8 71 8 55 8 39 8 24 8 09 2 7 81 7 68 7 55 7 42 7 30 7 18 7 07 6 95 6 84 6 73 6 63 6 52 6 42 6 32 6 22 6 13 6 03 5 94 5 84 5 75 5 66 5 57 5 48 102 14 67 14 27 13 88 13 52 13 17 12 83 12 50 12 20 11 89 11 61 11 34 11 08 10 82 10 58 10 34 10 12 9 90 9 70 9 50 9 31 9 12 8 95 8 77 8 61 8 45 8 30 8 15 8 01 7 87 7 73 7 60 7 48 7 35 7 23 7 12 7 00 6 89 6 78 6 68 6 57 6 47 6 37 6 27 6 17 6 08 5 98 5 89 5 79 5 70 5 61 5 52 103 14 81 14 41 14 02 13 66 13 29 12 96 12 62 12 32 12 01 11 73 11 45 11 19 10 93 10 68 10 44 10 22 10 00
31. 941 8161 Fax 519 941 8164 INDUSTRIAL PRODUCTS WARRANTY Industrial instruments are warranted to be free from defects in material and workmanship for a period of twelve 12 months from the date of installation or eighteen 18 months from the date of shipment from IC CONTROLS whichever is earlier when used under normal operating conditions and in accordance with the operating limitations and maintenance procedures in the instruction manual and when not having been subjected to accident alteration misuse or abuse This warranty is also conditioned upon calibration and consumable items electrodes and all solutions being stored at temperatures between 5 C and 45 C 40 F and 110 F in a non corrosive atmosphere IC CONTROLS consumables or approved reagents must be used or performance warranty is void Accessories not manufactured by IC CONTROLS are subject to the manufacturer s warranty terms and conditions Limitations and exclusions Industrial electrodes and replacement parts are warranted to be free from defects in material and workmanship for a period of three 3 months from the date of installation or eighteen 18 months from the date of shipment when used under normal operating conditions and in accordance with the operating limitations and maintenance procedures given in the instruction manual and when not having been subjected to accident alteration misuse abuse freezing scale coating or poisoning ions Chemical solu
32. EE INSTRUMENT OPERATION CALIBRATE CAL 10010 efficiency SEt 250 c Auto SEt 101 3 kPa 15 min timeout if no key pressed ppb ppm ERROR display D O Store the displayed D O sample Get a sample from memory Display shows if sample is erased send logging data using serial port date time format of logging data Clear all grab sample memory erasing all grab samples See Internal Data Logging Menu See Configuration Menu Accessible only when function is activated Page 9 INSTRUMENT OPERATION internal data log menu when not logging StAr do d o in PrES bAt v FrEq 10 Lee te cnt Cont StoP SENd do aati m 1 CLr do frequency of log update in seconds continue logging overwriting oldest data stop logging when buffer full number of data points currently in buffer send logging data using serial port date time format of logging data clear the buffer deleting all data points internal data log menu while logging FULL _ StOoP do in d o 60 ent SENd aati m 1 frequency of log update in seconds continue logging overwriting oldest data stop logging when buffer full number of data points currently in buffer send logging data using serial port date time format of logging data Figure 10 Internal data logging menu 9933388 SOMA BEE R on OFF Frequen
33. INSTRUCTION MANUAL MODEL 869 Portable ppb Dissolved Oxygen Analyzer CONTROLS Note computer shown on front cover is not part of the 869 analyzer package Computer equipment and software are supplied by customer CONTENTS GENERAL INFORMATION Introduction Principles of Measurement Principles of Calibration Sample Requirements Description of Model 869 Analyzer Mounting Plumbing and Wiring of Analyzer Assembly of the Dissolved Oxygen Sensor INSTRUMENT OPERATION Description of Basic Unit Controls Menu picture 869 Set Up and Operation Easy to use Menu Arrow Keys Edit Mode Metric or Imperial Units Real Time Clock 2 2 2 222 nun Error Messages Shutdown and Start up Procedure Standby Mode Battery Operation Voltage Output Signal RS232 COMMUNICATIONS Example Windows 3 1 Terminal Program Example Windows 95 98 NT Hyperterminal Example Load Log File in Excel Example Load Log File in Quattro Pro Grab Sample Measurements Data Logging Automatic Logging Internal Data Logging System Event Tags 869 CALIBRATION Removal of the Dissolved Oxygen Sensor Calibrat ion Procedure Inserting the Sensor into the Flowcell Output Hold during Cal Zero Testing the DO Sensor Temperature Compensation Barometric Pressure Compensation Range Automatic or Manual 869 Instructions INST869 120 SECURITY Password Security Access L
34. M checksum failed SEt Setpoint select manual temperature Some settings may be lost compensation En n Numbered error message in error menu StbY Standby mode for analyzer F Temperature in degrees Fahrenheit use t c Temperature compensation setting imperial units unit Unit display or selection FLt Fault alarm Page 46 869 Instructions IC CONTROLS APPENDIX E RESETTING COMPUTER APPENDIX E RESETTING COMPUTER Occasionally it may be desirable to reinitialize all of the program s settings to bring them back to defaults Executing the initialization procedure will cause the analyzer to reset all the program variables and settings to factory defaults and then proceed with the normal startup display A listing of factory default settings is found in APPENDIX B CAUTION Do not use the initialization procedure unless you are absolutely sure that you want to restore the analyzer to factory default configuration All user settings will be lost 869 Instructions After the analyzer program has been initialized you will need to re enter the output signal settings alarm settings as well as the program configuration if it was different from the factory default settings For your convenience the analyzer will remember your most recent menu selections Select CONF init ALL from the menu The display will flash do Nothing will happen if at this point you press Cancel or one of the escape keys Samp
35. alyzer to the computer using the supplied serial cable 2 Set up the communications program as outlined in the RS232 COMMUNICATIONS section 3 Select the desired date time format from ILOG da ti 4 Select iLOG SEnd from the display then press Enter on the flashing do The analyzer will only send out the D O data points that have been logged The display will rapidly display the numbers 1 through 1000 or however many D O data points have been logged while it is sending each data point Page 26 IC CONTROLS Displaying Logging Status From the menu select iLOG cnt This count number shows the number of data points that have been logged While the analyzer is logging you will be able to see this number incrementing The data point count will be O after the data log has been cleared from memory Also the cnt frame must show 0 before a new data log can be started The StAr frame won t be in the menu while the analyzer is actively logging data Ending a Data Log To end a data log e g to stop logging more points select StOP from the logging menu Press Enter when the analyzer displays the blinking do The analyzer will briefly display donE to indicate that it has stopped the logging operation Data logging will stop automatically if the FULL setting is set to StOP and the entire logging buffer has been filled Clearing the Data Log from Memory The data log can b
36. anada and the U S IC CONTROLS service personnel can be consulted for troubleshooting advice at 1 800 265 9161 or call 519 941 8161 In other countries contact your IC CONTROLS national distributor Error Messages for Dissolved Oxygen IC CONTROLS Error Messages and Codes To display errors detected by the analyzer press the errorbutton or select Err from the main menu If there are no error messages NONE will be displayed otherwise scroll through the error list using the Up and Down arrow keys Refer to the INSTRUMENT OPERATION Error Messages section for further information on error messages and codes Error Description Causes Remedy Err Reading off scale Dissolved oxygen is beyond measuring capability of range Switch to automatic range switching or select higher range in CONF in d o rANG New sensor needed or analyzer needs electronic range adjustment Contact Service Department stabilized after 5 minutes of calibration performance sample is not stable interference 0 00 No dissolved Sensor reading is below Open circuit sensor not connected oxygen measuring capability of aus measurement analyzer Manual range switching in effect and analyzer needs to be on lower range Open circuit Sensor not connected or bad connection E1 1 Electrode has not Poor electrode Check electrode and setup until stable reading is achieved then redo calibratio
37. arge to atmospheric drain Sample supply at 5 to 15 PSIG works well and with 100 to 200 mL min flow the sensor exhibits no response to flow changes With low supply pressure the large nut on the flowcell can be hand tightened to provide an airtight seal 869 Instructions IC CONTROLS Description of Model 869 Analyzer Description of Model 869 Analyzer Numbers in the description refer to Figure 5 Dissolved oxygen sensor and lead 1 senses ppb oxygen in sample stream and produces a current dependent on sample concentrations Equipped with attached 2 ft cable with internal shield and double shielded cable for stable low ppb signals Contact IC CONTROLS for customized cable lengths up to 30 feet Hand seal gland nut 2 provides easy removal of sensor and pressure seal CPVC flow cell 3 contains dissolved oxygen sensor stainless steel sample delivery and close contact sample flow path O Ring seal 4 inlet fitting special 1 4 tube fitting to provide oxygen tight inlet seal mounting bracket 5 securely mounts flowcell at 60 degrees from horizontal to easily let bubbles pass RS 232 Connector 6 enables hookup of 869 to your computer for data exchange 869 Dissolved Oxygen Analyzer electronics 7 handles all signal manipulation results digital logging of samples and computer communications LED display 8 provides digital readout of concentration temperature error codes etc Keypad 9
38. buffer has been filled Set to cont to continue logging when the buffer is full In this case each new data point that is stored in the log will erase the oldest data point Set to StOP to stop logging when the buffer is full In this case the analyzer will fill up the data logging memory approximately 1000 data points and then simply stop logging preserving all data points that have been taken 3 When you are ready to start logging select iLOG StAr from the menu Press Enter when the flashing do is displayed The analyzer will briefly display donE to indicate that it has completed the desired action starting the data log At this point the logging menu will change somewhat to indicate the options available while logging is in progress Refer to figure 24 Page 25 Data Logging Sending the Logged Data Sample output of internally logged using the serial port 1 Thu Dec 18 17 48 00 1997 0 00 The first number is the data point number Data points are sequentially numbered from 1 The next part of each line is the date time stamp The sample above used format 1 Refer to the RS232 COMMUNICATIONS Date Time Formats section for specific date time formats The number following the date time is the D O measurement in ppb D O The units for ppb are always D O regardless of the units setting in d o unit used by the sample display To send the logged data to the computer 1 Connect the an
39. consists of scroll keys mode keys sample cal and error AC power adaptor jack 10 connects DC output of AC adapter to electronics for battery recharge or continuous service ON OFF Switch 11 turns the 869 electronics on or off Output 12 the 869 0 to 1 VDC output lead access Ge N seomroPRocessoR ANALYZER _ ppbDO 1 23 amp cr SH 5 LIA 16 CONTROLS OJ Figure 5 Major Components of Dissolved Oxygen Monitor 869 Instructions Page 5 Description of Model 869 Analyzer Mounting Plumbing and Wiring of Analyzer The 869 comes pre mounted on a stand for portable use with necessary plumbing to the sensor and quick disconnects for easy use Nominal input power for the 869 microprocessor analyzer is two 9V DC batteries Also included is an AC power adapter for 115 230 VAC 10 single phase 50 60 Hz The AC power adapter automatically adjusts to either 115 or 230 VAC The power input jack is located on the bottom right of the 869 housing An ON OFF switch is located beside the power jack There is a 0 5 inch liquid tight cable connector in the bottom of the instrument enclosure for the sensor and a second for the 0 to 1V DC output The basic wiring scheme for all IC CONTROLS sensors is shown in Figure 6 The sensor at 1 ppb dissolved oxygen produces less t
40. cy of automatic serial output in seconds Date time format of automatic serial output Send event tags using serial port dA ti 1 SEnd do dAti 1 Nodz _ _2 Date time format of event tags Node number used for networked environment Figure 13 Serial communications menu Page 10 IC CONTROLS init do YES avto no rANG SES Oye yaya COU LG ON OF Ai J 2 51 on VDC OFF Loc 5 CALIBRATE 22 3 PrES OFFS 0 0 Offset Lo 1 ot wc out 0 0 1 0to0 1 VDC 0 100 mV unit Lec _ metric or imperial oF unit selection bar 7 51 voc selectable only if PAS 1 000 security enabled pas 2 0000 YEAr 1997 onth 12 dAtE 31 rte hour 23 in 59 SEC 59 hund 99 Figure 12 Configuration menu 2 list of available inputs unit n ON OF OFF HI 1000 LO 0 VDC 0 25 beet bAtv EFFE VDC ppb ppm available units depend on type of input selected Figure 11 Output menu 869 Instructions IC CONTROLS 869 Set Up and Operation 1 Set the Model 869 Analyzer on a stable base a bench mobile cart or the floor will do 2 Hook up a line from the sample out quick disconnect to an atmospheric drain Then hook up sample flow at the sample inlet quick disconnect Turn on the 869 analyzer 4 The startup procedure will begin by alternately flashing tESt and w
41. d o HOLd setting to no or until no key has been pressed for 15 minutes The 15 minute timeout ensures that output hold for dissolved oxygen will not remain in effect for longer than 15 minutes if the analyzer is left unattended If it is desired to freeze the outputs for longer outages use standby mode in the main menu 869 Instructions 869 CALIBRATION Zero Testing the DO Sensor The best way to zero check at the point of use in the plant is to use IC CONTROLS Zero Dissolved Oxygen Standard part number A1100193 Alternately a slower approximate zero can be obtained using a solution of sodium sulfite in water Submerge the dissolved oxygen sensor in a deep beaker so that it is 2 to 3 inches below the surface of the zero standard See Figure 26 Provide gentle mixing to ensure the oxygen present is consumed Then cover the beaker with parafilm to preserve product integrity Let sit for five minutes The sensor should rapidly fall to low ppb levels thus confirming operation of the sensor Discard used zero standard after use as exposure to air will rapidly exhaust it Tightly reseal the storage bottle for the same reason Preparation of Sodium Sulfite Solution To 1 liter of distilled water add 20 grams of Na2SO3 and mix thoroughly Ensure that the solution is used within 8 hours because the oxygen scavenger will be used up quickly with exposure to air Use of sodium sulfite to get a zero is similar to use described
42. e then re assemble DO sensor with new membrane and fill solution calibrate and check efficiency is above 50 percent 5 Repeat 2 to 4 as necessary to get at least 50 percent efficiency If not possible DO sensor should be replaced D O sensor Figure 31 Chemical clean 869 Instructions Page 39 REPAIR AND SERVICE REPAIR AND SERVICE Field Service is dispatched in Canada from the home office of IC CONTROLS In North America call 1 800 265 9161 or call 519 941 8161 Outside of North America consult your authorized IC CONTROLS distributor or IC CONTROLS Lid 29 Centennial Road Orangeville Ontario CANADA FAX 519 941 8161 email service iccontrols com Page 40 IC CONTROLS 869 Instructions IC CONTROLS NOTICE OF COMPLIANCE This meter may generate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class A computing device in accordance with specifications in Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in an industrial installation However there is no guarantee that interference will not occur in a particular installation If the meter does cause interference to radio or television reception which can be determined by turning the unit off and
43. e cleared erased from the analyzer memory The menu will not allow you to start a new log until the existing log has been explicitly erased This is a safety feature to ensure that you don t accidentally wipe out an existing log when starting the next log To erase the data log from memory 1 Select iLOG CLr from the menu 2 With the display flashing do press Enter Note there is no way to recover a data log once memory is cleared Be very sure that you do want to clear the log from memory before pressing Enter 869 Instructions IC CONTROLS System Event Tags The analyzer stores important system events in an internal log The system events are automatically tagged with a date time stamp The analyzer stores the last 40 event tags in memory Each new event will erase the oldest event System events are the following 1 Analyzer turned OFF 2 Analyzer turned ON 3 An error or caution message error caution message number stored 4 The analyzer is calibrated calibration parameters stored D O efficiency temperature pressure Event tags cannot be displayed using the analyzer display capability but must be sent out using the serial connection Event Tag Format Sample output of event tags Thu Dec 18 14 50 47 1997 ANALYZER OFF Thu Dec 18 17 47 30 1997 ANALYZER ON T 2 3 Thu Dec 18 17 47 30 1997 E1 5 4 Thu Dec 18 17 47 31 1997 E2 2 5 Thu Dec 18 18 05 22 1997 CAL 8240 100
44. er auto calibrate Page 4 IC CONTROLS Sample Requirements The IC CONTROLS ppb dissolved oxygen sensor has been designed to give fast stable readings at low levels of dissolved oxygen The sensor is able to return to service quickly after sample interruptions such as are encountered on portable multiple sample applications Sample inlet connection recommended sample delivery tubing is 316SS with quality tube fittings to eliminate diffusion of oxygen through the sample system tube walls and leaks at fittings Use of clear flexible PVC sample tubing for easy sample hook up is acceptable but may result in longer rinse down times and or leaks These phenomena show up as slow downward drift and or a higher than expected low DO reading Upstream sample system components should have as few components and or chambers as possible to limit dissolved oxygen hideout locations with accompanying long rinse down times However if the sample will contain rust etc or hydrocarbons a filter should be installed upstream in the sample delivery system to protect the membrane from puncture See Figure 2 Flow rate 100 200 mL min recommended Lower sample flows will result in slower response to ppb dissolved oxygen changes Temperature Sample should be cooled to between 10 and 35 C maximum 45 C minimum 1 C Hotter samples to 90 C can be measured with special sensors Pressure should be low as the flowcell effluent should disch
45. esired baud rate Select SEr baud from the menu Baud rates from 1200 to 38400 baud can be selected the default is 9600 baud The 869 analyzer uses 8 data bits no parity and 1 stop bit this part is not configurable 6 To enable serial transmission by the analyzer set the serial ON OFF switch to ON Serial communications are on by default See Figure 22 Format of Analyzer Output Data transmitted by the analyzer is in simple ASCII format Each line of data is terminated by a LINEFEED NEWLINE Most output consists of a line number a date time field followed by the data fields separated by commas Comma separated fields are designed to make it easy to import the data into other programs for analysis for example into a spreadsheet 869 Instructions IC CONTROLS Example Windows 3 1 Terminal Program To illustrate the capturing of data on a computer following is the description for loading and setting up the TERMINAL program which is part of the standard Windows 3 1 operating system 1 Load Windows 3 1 then switch to the program manager 2 From the accessories group double click on the Terminal icon 3 From the menu select Settings Communications Set the communications settings as shown in figure 19 The Connector setting in the figure is set to COM1 match this setting to reflect the Baud Rate O10 300 600 1200 2400 4800 9600 19200 Data Bits Stop Bits O5 O6 O7 eg 81
46. evels Enabling Security Entering a Password INSTRUMENT MAINTENANCE Weekly Visual Check Monthly Calibration Check Yearly Maintenance Cleaning the 869 housing Assembly of the Dissolved Oxygen Sensor Re Inserting the Sensor into the Flowcell Recommended Supplies TROUBLESHOOTING Error Messages and Codes Error Messages for Dissolved Oxygen Error Messages for Temperature Error Messages for Pressure Dissolved Oxygen Tips Error Messages for Battery DO Sensor Chemical Cleaning REPAIR AND SERVICE NOTICE OF COMPLIANCE INDUSTRIAL PRODUCTS WARRANTY APPENDIX A PARTS LIST APPENDIX B DEFAULT SETTINGS APPENDIX C SATURATED DO VALUES APPENDIX D DISPLAY PROMPTS APPENDIX E RESETTING COMPUTER APPENDIX F UNIT CONVERSION APPENDIX G ELECTRONIC ALIGNMENT Electronic Hardware APPENDIX H DRAWINGS Wiring Diagram Mounting Dimensions 35 36 36 36 37 37 38 38 39 40 41 42 43 44 45 47 48 49 Page 1 Drain Figure 1 Block Diagram of Sample Flow Page 2 Inlet Note Additional sample stream components are recommended where high pressure or entrained solids may be encountered A bypass filter helps to protect the electrode membrane extending its lifetime by bypassing some rust and other solids to drain IC CONTROLS Note Angle mounting is recommended to encourage any bubbles in the sample to rise to the exit and be swept to
47. g Use the Up or Down arrow key to display the desired temperature for manual temperature compensation Press LENTER to accept the displayed value CALIBRATE CAL 44 D O EFF 1000 efficiency SEt 25 0 c main menu SEt 101 3 kPa 15 min timeout if no key pressed ES ppm Figure 27 Dissolved oxygen menu Page 30 IC CONTROLS Barometric Pressure Compensation The 869 analyzer uses a pressure sensor inside the analyzer case to measure the atmospheric pressure If the atmospheric pressure rises or falls and or if the pressure in the analyzer room differs from the local barometric pressure the 869 analyzer will automatically read the correct pressure The 869 will also compensate for the correct altitude to give accurate dissolved oxygen partial pressures during calibration While the barometric pressure measurement only affects the 100 saturation reading at calibration its use eliminates calibration errors that may cause all readings to be off by as much as 5 or more The 869 analyzer can also be used as a handy atmospheric pressure transmitter Selecting Manual Pressure Compensation To see the current pressure compensation method used by the 869 analyzer during calibration select d o Pr C from the menu See Figure 27 At this point either Auto for automatic pressure compensation or SEt for man
48. ge switching D O measuring circuit 31 49 Repair and service 40 Resetting computer 47 RS232 18 Sample key 8 11 12 28 Sample menu 11 Sample requirements 4 Security 32 access level 32 33 disabling 32 enabling 32 password 32 password 1 32 password 2 32 set up 11 standby mode 15 timeout 11 869 Instructions Sensor maintenance removal troubleshooting wiring Serial communication data formats default settings enabling Service maintenance parts recommended supplies trou bleshooti ng troubleshooting 36 39 49 Shutdown Simulated current output Specifications Standby mode Start up diagnostics initial startup Program Initialization Temperatu re units Temperature measuring circuit output units Temperature compensat 30 selecting type Timer 15 minute timeout output hold timeout security timeout 34 28 38 18 44 18 40 35 43 35 50 50 15 17 53 15 15 11 11 47 13 49 49 16 17 45 30 11 11 11 Troubleshooting INDEX 36 39 black or red discoloration36 38 response spikes Units Celsius conversion default settings Fahrenheit kPa metric or imperial ppb ppm pressure PSI temperature Version Voltage output displaying simulating Warranty Windows Hyperterminal terminal program Wiring output power sensor serial communications wiring diagram Zero oxygen standard Zero test technique 38 38 17 48 13 48 44 13 13 11 13 3 48 48
49. han 1 microamp It is recommended that the sensor be located as near as possible to the dissolved oxygen transmitter to ial 0 TEMP 0 TEMP TB200 0 D O COM CTR 0 D O COM SHD Figure 6 Sensor wiring Page 6 D O SHIELD IC CONTROLS minimize any effects of ambient electrical noise interference The portable configuration with 2 foot sensor cable easily meets this requirement For alarm RS232 or output wiring see the alarm serial communications or output section Flowcell Mounting 1 There are mounting clamps around the body of the cell held in by socket head cap screws The flowcell is arranged for up flow to the inlet at the bottom with the cell at an angle from vertical This up flow arrangement will encourage entrained bubbles in the sample flow to pass through the sample system with minimum dissolved oxygen upset Ensure the O ring seal fitting at the cell inlet is fully sealed and no oxygen in leakage is occuring Note Over tightening this fitting may deform plastic parts causing air leaks and erratic readings AC power adapter 869 Instructions IC CONTROLS Assembly of the Dissolved Oxygen Sensor This procedure should be done over a sink Wear thin plastic or rubber gloves as the electrolyte is a caustic solution Wash hands thoroughly with lots of water if the electrolyte comes in contact with the skin Rinse until the slippery feel of the
50. he tip the membrane should be smooth with no wrinkles or cuts and the surface contours of the silver electrode should be clear There should be no lines from trapped bubbles between the membrane and the silver electrode If there are no visible problems as described here then the sensor is ready to be put into service Inserting the Sensor into the Flowcell 1 Inspect the inside of the flowcell for any foreign matter and wipe out if necessary It should appear clean and clear 2 Insert the assembled sensor through the nut and seal ring Rock back and forth to pass the O ring 3 Press slowly all the way down until the sensor firmly contacts the flowcell bottom 4 By hand tighten the nut firmly to get a good seal This should be good for 15 to 90 psig Warning Do not use a large wrench to tighten the nut The plastic parts could be broken or deformed Page 7 INSTRUMENT OPERATION INSTRUMENT OPERATION Description of Basic Unit Controls LCD display Displays four and one half digit and plus minus sign used to read dissolved oxygen concentration temperature error messages logged data as well as the entire menu used to control the analyzer Up and Down arrow keys Moves up and down in the menu In edit mode adjusts blinking digit or selects an item from the list Refer to description of edit mode Cancel left arrow key Moves left in the menu In edit mode moves left one digit or cancels edit Refer to de
51. here is no temperature input the temperature display would consistently be off scale without a resistor across the input terminals resulting in an error message E2 2 always showing in the error menu Page 14 IC CONTROLS Error Codes Error Code Meaning Err D O reading off scale high Err D O reading off scale low E1 1 D O electrode has not stabilized after 5 minutes of calibration E1 2 D O sensor efficiency would be more than 500 Previous setting retained E1 3 D O sensor efficiency would be less than 30 Previous setting retained E1 4 Pressure compensator for dissolved oxygen not working properly E1 5 Temperature compensator for dissolved oxygen not working properly CA 1 7 D O input greater than 9999 ppb cannot display on LCD E2 1 Temperature reading off scale low E2 2 Temperature reading off scale high E3 1 Pressure reading off scale low E3 2 Pressure reading off scale high E 9 1 Battery low 869 Instructions IC CONTROLS Shutdown and Start up Procedure Shutdown and Seal Flowcell 1 Shut off sample flow by removing the sample line at the sample inlet quick disconnect 2 Shut off drain from flowcell and seal the flowcell to stop oxygen entering by removing the sample outlet line from its quick disconnect Leave power on 4 The flowcell should be full of ppb dissolved oxygen water If the flowcell is full of other sample consideration should be given to flus
52. hile performing the memory tests 5 The analyzer will display in sequence the analyzer number in this case 869 and the program version number e g P1 10 6 The display test lights each of the implemented display segments in turn 7 Ifthe analyzer passes all the tests then the hardware is functioning properly and the analyzer will proceed to display dissolved oxygen 8 If the analyzer displays Err this indicates that the dissolved oxygen input is offscale Err on start up is common and may disappear after a few minutes Press the Error key to see what errors have been detected by the analyzer 9 After completing the above steps the analyzer is now in normal operational mode Analyzer settings and parameters can be viewed and or changed at any time using the keypad Refer to the menus starting with Figure 9 The areas shaded in dark gray indicate program settings which can be changed by the user Menu areas shaded in light gray are view only menus Initial Instrument Set Up Refer to Appendix B for a listing of factory default settings used by the analyzer Before putting the analyzer into operation verify the analyzer s settings to ensure that they agree with the intended set up For a more detailed description of any setting refer to the appropriate section of this instruction manual 1 Change defaults for the output Set input DO temperature or pressure high limit low limit and on off switch The o
53. hing it out with pure water to avoid formation of gummy or biological deposits 5 Since the sensor consumes small quantities of dissolved oxygen it will store for months in a sealed flowcell if the power is on or if the cell leads are shorted 6 Ifthe Dissolved Oxygen reading from the sealed flowcell is steady or falling slowly there appears to be no DO leaks So the sensor should store well Turn off the power if the 869 analyzer will not be used for an hour or more NOTE If Model 869 analyzer power will be unused for more than a month it is desirable to remove the membrane module and store dry in order to maximize sensor lifetime 1 With 869 still operating remove white electrode cap and membrane module anf dump the fill solution 2 Rinse electrode with pure water and wipe dry to remove any trace of internal fill solution The 869 display should fall to 1 ppB or less when all fill solution is gone 3 Rinse membrane module carefully blot dry and store in original plastic case in which it was shipped 4 Replace white electrode cap on DO sensor to protect the lead coils and turn 869 off Start up if Stored in a Sealed Flowcell 1 Turn on power to the 869 2 Reconnect drain at the outlet quick disconnect 3 Connect new sample at the inlet quick disconnect 4 Read ppb dissolved oxygen Start up if Stored Disassembled and Dry 1 See INSTRUMENT MAINTENANCE Assembly of the Dissolved Oxygen Sensor sect
54. imately 1000 measurements for later sending using the serial port Only one inputs can be logged at a time typically this will be the D O input Automatic Logging Sample output of automatic continuous logging using the serial port with frequency set to 1 second intervals Thu Dec 18 17 51 10 1997 1 00 25 0 101 3 8 01 Thu Dee U8 77 51 1 19974 Em 25 3 1 LOLS 3 80d bo Deco 18 te Bet 1997 202 232 T0163 8 201 Thu Dec 18 17 51 13 1997 1 01 25 1 101 3 8 00 The first part of each line is the date time stamp The sample above used format 1 Refer to the RS232 COMMUNICATIONS Date Time Formats section for available date time formats The first number following the date time is the D O measurement in ppb D O The units for ppb are always D O regardless of the units setting in d o unit used by the sample display The second number is the current temperature of the sample The units used for temperature respect the metric imperial setting in CONF unit The third number is the current pressure of the sample The units used for pressure respect the metric imperial setting in CONF unit The last number is the internal battery voltage of the sample The units used for pressure respect the metric imperial setting in CONF unit To send continuous data from the analyzer 1 Connect the analyzer to the computer using the supplied serial cable 2 Set up the communications program as outli
55. ion in this manual 869 Instructions INSTRUMENT OPERATION Standby Mode Standby mode can be selected from the main menu In standby mode the output will go to 0 VDC When SAMPLE jg pressed both the inputs will show StbY instead of the normal input measurement The analyzer will not resume normal operations until it is taken out of standby mode While in standby mode the entire menu and all settings are accessible to the operator as before None of the settings will take effect until the analyzer is returned to normal operation The standby feature is protected by security level 2 Battery Operation The 869 analyzer has two rechargeable 9V DC batteries Whenever external power to the analyzer is removed the analyzer will continue to operate using battery power The batteries will automatically recharge when external power to the analyzer is restored using the AC power adapter When battery power is running low the analyzer will show error 9 1 in the error menu Also while the analyzer is in the sample menu the display will alternately show the sample reading and the bAt message to indicate that battery power is running low The battery voltage can be monitored by selecting CONF bAt v from the menu Page 15 INSTRUMENT OPERATION Voltage Output Signal One assignable 0 1 V output channel is provided The user may configure the analyzer to determine which input signal will be transmitted the outpu
56. ize with blue trimpot VR200 located mid board above the D O terminal block Adjust the trimpot to a reading of 2 50V at TP201 while inputting 0 120 VDC through a 10K 1 resistor 0 120 VDC simulates 8240 ppb D O at approx 100 efficiency under above conditions 7 Return analyzer to automatic range selection by selecting CONF in d o Auto from the menu and editing the setting to read YES Alignment of Temperature Input Circuit The temperature input can be adjusted both by making electronic adjustments and or by having the program compensate for differences in offset Adjusting Electronic Calibration 1 Remove any offset calculated by a previous software calibration of the temperature input Select CONF in C OFFS from the menu and edit the offset to read 0 0 869 Instructions 2 Setup a precision multimeter Fluke 8051A or equivalent to read VDC 3 Use the TEMP sensor connection TB201 2 as common See wiring diagram Place a 100 ohm 1 resistor across T and T Adjust blue trimpot VR201 located top left of board for a reading of 0 200 V at TP202 Refer to wiring diagram for component locations 4 Place a 138 5 ohm 1 resistor across T and T Adjust blue trimpot VR202 located top left of board for a reading of 4 85 V at TP202 Refer to wiring diagram for component locations 5 Close case and press Sample key followed by the Down key to display the temperature reading 6
57. l be displayed Use the Up or Downarrow keys to display the prompt above or below If the prompt at the top or the bottom is displayed the program will loop around Press the Up or Down key until out is displayed Press the Leftkey to return to the dissolved oxygen display Press the Right key again and out will be displayed Page 12 IC CONTROLS Edit Mode Edit mode is used to change a numeric value or to select between different options The values and settings which can be edited are identified by the darker shading in the menus Any frame which has a white background cannot be modified by going into edit mode but can be viewed Editing by Selecting a Setting Examples of selecting a value are on off settings and switching between different alarm types Editing a value is like picking an option from a list You can see only one item on the list at a time Example Turn off the output From the menu select out ON OF The analyzer will now display either on or OFF which are the two choices To change the setting press LENTER to go into edit mode The display will start blinking Use the up or down arrow key to switch between the possible options which in this case are on and OFF When OFF is displayed press ENTER again to accept the new setting and leave edit mode Editing a Numeric Value Numeric values such as an alarm setpoint are adjusted by going i
58. le Cal or Error The 869 analyzer will be re initialized when the user presses Enter Page 47 APPENDIX F UNIT CONVERSION APPENDIX F UNIT CONVERSION Dissolved Oxygen Units ppm parts per million ppb parts per billion 1 ppm 1000 ppb 1 ppb 0 001 ppm 1 ppm is approximately 1 mg L Some variation occurs because the density of water varies slightly with temperature Saturation is directly related to the temperature and pressure of the system A given ppb will give a different saturation value depending on the variation in temperature and pressure See table in appendix C Temperature Units Page 48 IC CONTROLS 869 Instructions IC CONTROLS APPENDIX G ELECTRONIC ALIGNMENT APPENDIX G ELECTRONIC ALIGNMENT Electronic Hardware Alignment of Dissolved Oxygen Detection Circuit 1 Setup a precision multimeter Fluke 8051A or equivalent to read VDC 2 Use the D O sensor connection TB200 1 and D O sensor TB200 3 as common See wiring diagram 3 Place analyzer on manual range selection by selecting CONF in d o Auto from the menu and editing the setting to read no 4 Set the d o input range to range 4 by selecting CONF in d o rANG from the menu and editing the setting to read rNG 4 5 Set the D O efficiency constant to 100 by selecting d o EFF from the menu and editing the value to read 100 0 6 Adjust the electronic standard
59. lecting CONF in d o rANG If the analyzer is using manual ranging for the D O measurement then you can go into edit mode and switch ranges If the analyzer is using automatic ranging then this setting can be viewed only Lauto no i PERE bi CONF in i PrES 869 CALIBRATION Manual Ranging By default the analyzer is configured to automatically switch between ranges The automatic switching capability can be disabled in the configuration menu by changing the setting of CONF in d o AUtO from YES to no Once automatic ranging has been disabled you can manually adjust the range by changing the setting in CONF in d o rANG Displayed Range The measuring range of the instrument e g O to 10 000 ppb dissolved oxygen is determined by the gain used by the analyzer itself and the cell current of the dissolved oxygen sensor The displayed measuring range is determined by multiplying the cell current by the analyzer range gains YES rNG 1 rNG 3 rNG 4 2 51 vpc Figure 28 Configuration menu for D O input 869 Instructions Page 31 SECURITY SECURITY Password Security As part of the installation procedure you need to decide whether password security is to be implemented or not The factory default is no security No password security should be necessary if you are the only user and no protection of settings is needed Password security should be i
60. libration of Output in the out TROUBLESHOOTING section ON OF Lo OFF To make the program display of the current output i e out VDC agree with the calibrated 7000 output the program configuration needs to agree Le 1000 with the hardware calibration The setting in LO 1 o CONF out can be changed to 0 1 or 0 0 1 VDC to agree with the hardware calibration of the VDC 0 25 vc output Output Span Adjustment To adjust the output span or output window Figure 16 Output menu set LO to correspond to the low end of the scale Page 16 869 Instructions IC CONTROLS Unit Selection The output module will be using different units for its high and low settings depending on the input selected Select unit from the output menu to display the units in use for this output The D O input allows the user to select between ppm and ppb units Edit the unit setting to choose the desired units for the HI and LO settings The temperature and pressure inputs will use different units depending on whether metric or imperial units are selected in the configuration menu Temperature uses Celsius for metric and Fahrenheit for imperial units Pressure uses kilopascal for metric and PSI for imperial units The choice between metric or imperial units is made in the configuration menu See Figure 12 on page 10 Testing With Simulated 0 to 1 V Output Select cur from the output menu to display the signal cur
61. ling a knock out pot or sintered stainless steel filter Consult IC CONTROLS for specific solutions Readings drop fast after calibration but hang up well above expected level then fall slowly typically due to an air bubble trapped in the sample system See tip for clearing air bubble below Readings go high or off scale and won t come down Also the efficiency goes high typically the signature of a pinhole or rip in the membrane Replace the membrane module with a new one Readings consistently low or spike low characteristic of wiring problems between the analyzer and the sensor an open circuit in the field wiring will result in zero cell current and a reading less than 1 ppb Review the installation instructions in the INSTRUMENT PREPARATION section Page 38 Readings gradually falling the analyzer can no longer be calibrated properly This problem is typical of sludge slime deposits on the sensor face The sensor will need to be cleaned Refer to the yearly maintenance procedure in the INSTRUMENT MAINTENANCE section Black or red color in D O sensor not necessarily a problem especially when seen as orange Caused by long use or long exposure to air producing red lead oxide May go away gradually if left running in a low ppb D O sample for several days and the speed of response will improve as well a Correct by disassembling the cell and wiping away deposits using a rag or using a toothbrush
62. ll vacuum stretch the thin dissolved oxygen sensing membrane Stretching the membrane will cause slow response and higher readings at low ppb levels Splitting the membrane will cause dissolved oxygen sensor failure 3 Release the large nut on the top of the flowcell a few turns It should only be hand tight 4 Gently rock the dissolved oxygen sensor back and forth to ease the O ring seal in the compression throat This also lets air enter the flowcell and breaks any vacuum that would form 5 Back the large nut off the rest of the threads and gently lift the sensor 5 Slowly remove the sensor allowing air to enter the flowcell Seal nut acts as holder eA Credit card Beaker Keep about 1 4 to 1 2 inch above water Figure 25 D O sensor calibration Page 28 IC CONTROLS Calibrat ion Procedure When executing the calibration procedure the analyzer will adjust the efficiency constant for the D O cell Remove sensor from flowcell 2 Dry the tip carefully with a tissue making sure there are no water drops on the membrane and then take the sensor and suspend it above water See Figure 25 3 Press the Ca key The analyzer will show the dissolved oxygen reading The display will be blinking to indicate that the analyzer is calibrating Press the key when the electrode reading has stabilized the analyzer will calibrate using
63. log file If you used the PRN TXT or CSV extension for the log file you may want to change List Files of Type to Text Files otherwise use All Files Select the log file then click on OK 4 The Text Import Wizard dialog box should open In Original Data Type select Delimited then click the Next gt button 5 Under Delimiters select Comma Click the Finish button to laod the log file into Excel 7 The date time stamp will be loaded in column A and the input values will be loaded in columns B C etc The date time stamp will be treated as text while the input values will be treated as numeric values that can be graphed manipulated etc IC CONTROLS Example Load Log File in Quattro Pro The following example illustrates how to import a log file into Quattro Pro for Windows 1 By default the IC Net Access program uses the DAT extension for its log files Quattro Pro prefers TXT or PRN You can keep the DAT extension or use TXT Open Quattro Pro and start with a new empty notebook or open an existing notebook to which the data log should be added Select Notebook Text Import from the menu Under Option select Only Commas Navigate to the log file You may want to change filename from TXT to to be able to see the log file Click on OK to import the log file into Quattro Pro The date time stamp will be loaded in column A
64. lowing settings Bits per second 9600 baud rate Data bits 8 Parity None Stop bits 1 Flow control None Click on OK To return to this dialog box later for example to change the baud rate select File Properties from the menu then click on the Configure button 5 To capture data into a file select Transfers Capture text from the menu Specify the file name and location Example c logs log01 dai or use the Browse button to select an existing file to append to The hyperterminal program will now store any ASCII data sent out by the analyzer into the specified file 6 To pause or resume data collecting to the specified file select Transfers Capture text then Stop or Resume N To finish the collecting of data select Transfers Capture text Stop from the menu 8 When exiting the program a dialog box will ask Do you want to save session 869 analyzer If you respond Yes the next time you select Hyperterminal from the Start menu you will be able to select the 869 analyzer settings Page 19 INSTRUMENT OPERATION Example Load Log File in Excel The following example illustrates how to load a log file into Microsoft Excel 5 0 1 By default the IC Net Access program uses the DAT extension for its log files Excel prefers TXT PRN or CSV You can keep the DAT extension or use TXT or CSV 2 Open Excel then select File Open from the menu 3 Navigate to the
65. m The different date time formats are fixed length so that each part of the time or date will line up on the printout This will make it easier to parse the date time field if it is being imported into another program for further analysis The analyzer is designed to be year 2000 compliant it will correctly handle years beyond 1999 mi 5 ON OF Le j j ka FrE INSTRUMENT OPERATION dA ti i SEnd dA ti i noae 2 Frequency of automatic serial output in seconds Date time format of automatic serial output do Send event tags using serial port Date time format of event tags Node number used for networked environment Figure 22 Serial communications menu 869 Instructions Page 21 Grab Sample Measurements Grab Sample Measurements The 869 analyzer will store up to 150 dissolved oxygen values as grab samples The analyzer can be taken from location to location and at each point a numbered grab sample can be stored in the analyzer memory for later retrieval Each grab sample measurement is individually date time stamped by the analyzer Grab sample measurements can be displayed from the analyzer but the serial communications link is used to retrieve the complete list of date time stamped grab sample measurements that were taken Storing a grab sample measurement 1 Properly hook up the analyzer to the sample stream that is to be measured so that the measurement that
66. m events and data logging To set the real time clock select CONF rtc from the menu Set the year month date day of the month hour minute and second The hund frame displays hundreds of a second but cannot be edited Page 13 INSTRUMENT OPERATION Error Messages To display errors and cautions detected by the analyzer press the error key or select Err from the main menu If there are no error and caution messages NONE will be displayed otherwise scroll through the list using the Up and Down arrow keys Error messages are numbered Errors are identified as En e where n is the input number and e is the error number For example E1 1 is error 1 for the dissolved oxygen input Message numbers 6 through 9 are less serious and are identified as cautions instead of errors e g CAn 6 Off scale errors are not numbered and are identified as Err and Err depending on whether the input is at the top or the bottom of the scale The off scale error is displayed instead of the sample reading and does not show up in the error menu with the numbered error messages if any Errors cannot be removed from this list directly but each error caution will be removed automatically when appropriate e g errors associated with improper calibration will be cleared after a successful calibration If no electrode or sensor is attached to an input it may be most convenient to turn off the input For example if t
67. monthly Environment Temperature 5 to 45 C Humidity 95 relative max non condensing splash proof IP65 Dimensions Monitor 30 5 x 35 5 x 30 5 cm w h d 12x 14x 12 in w h d Weight 19 8 Ibs 9 kg Shipping Weight 22 Ibs 10 kg Electrical Requirements Two 2 only 9 VDC batteries AC power adaptor for 115 230 VAC 10 50 60 Hz 50 Watts 0 5 Amp single phase Page 53 INDEX INDEX Err 11 14 36 38 Err 14 37 869 analyzer description 5 7 maintenance 34 ordering information 43 parts list 43 specifications 53 warranty 42 Air bubbles 38 Automatic temperature compensation selecting 30 Barometric pressure 30 Battery 15 Cal key Calibration D O output hold pr inciple s pressure input circuit temperature input circuit troubleshooting zero oxygen standard Caution messages SEE ALSO Error codes Celsius SEE ALSO Units Configuration def aults input on off switch Program units D O applications calibration introduction measuring circuit output output hold pressure compensation principles of measurement sample requirements 28 45 28 29 4 50 49 38 29 14 13 47 47 13 47 13 3 4 28 45 3 31 49 16 28 29 45 3 4 temperature compensation 45 Page 54 D O sensor SEE Electrode Default settings 44 Diagnostics memory test 11 startup procedure 11 Edit mode change settings 12 key functions 13 numeric values 12 Efficiency constant 28
68. mplemented for critical applications where program settings may only be changed by authorized personnel For minimal security IC CONTROLS advises that the user set a level 2 password Leaving the level 1 password at 000 gives the operator complete access to all areas of the program but does not allow him to change program settings in the configuration menu With minimal security in place you prevent unauthorized users from enabling password security Access Levels access level description 0 View only access to all settings 1 Access to all settings except for configuration menu Usage operator access no changes can be made to configuration and passwords cannot be changed 2 Access to all settings This gives you the same access to the program as when password security is not enabled Passwords can be changed Usage installation management Having security disabled gives you the same access to the program as being at access level 2 at all times With security enabled any operator can view settings anywhere in the program When you do not have proper access rights the program will display PASS for 2 seconds indicating that you must first enter a proper password before you are allowed to proceed Enabling Security When security is disabled both password 1 and password 2 are set to 0000 Security is enabled by setting password 2 to a non zero value Select CONF
69. n E1 2 Electrode efficiency would be more than 500 Improper electrode setup assembly or electrode failure Recharge and re assemble the electrode setup up electrode again then redo calibration Also refer to TROUBLESHOOTING section Previous setting retained Rip or puncture in membrane Replace membrane module E1 3 Sensor efficiency would be less than No D O signal or sensor signal is very weak Check electrode connection then redo calibration 33 Previous in use membrane is too thick Replace membrane module Black or red coloring in sensor Sensor needs service has seen long exposure to high D O Refer to Dissolved Oxygen Troubleshooting in the TROUBLESHOOTING section Manual range switching in effect and analyzer is on low range Change to automatic range switching or change range to range 4 Page 36 869 Instructions IC CONTROLS TROUBLESHOOTING E1 4 Pressure compensator is off scale Process outside of of 75 to 130 kPa Use manual pressure compensation or refer to error pressure operating range messages for pressure input E1 5 Temperature compensator is off scale operating range of 105 C Process outside of TC Use manual temperature compensation or refer to 5 C to error messages for temperature input TC not connected Check TC connections or install TC CA Display shows
70. ned in the RS232 COMMUNICATIONS section 3 Select the desired date time format from SEr Auto da ti 4 Select SEr Auto FrEq from the display This number is the output frequency specified in seconds For 1 second intervals use 1 for 1 minute intervals use 60 or for 1 hour intervals use 3600 Any interval from 1 to 9999 seconds can be specified Page 24 IC CONTROLS 4 Select SEr Auto ON OF from the display Change the on off setting from OFF to ON Note the analyzer resets the on off setting to OFF whenever SEnd is selected from the menu to send other types of data e g grab sample data To restart automatic continuous logging after sending other data you must change the SEr Auto ON OF OFF setting to ON again 869 Instructions IC CONTROLS Internal Data Logging The 869 analyzer will log approximately 1000 dissolved oxygen values internally storing readings at a specified interval The analyzer can be left to log data at a particular location and store the readings internally Later the logged data can be sent to a computer for storage and or further analysis Internal logging data is date time stamped by the analyzer The data log cannot be displayed directly from the analyzer but instead the serial communications link is used to retrieve the complete data log of date time stamped D O data that was logged internal data log menu when not logging
71. nto edit mode and then adjusting each digit until the new value is displayed Use the left and right arrow keys to move between digits and use the up and down arrow keys to adjust each digit When you press ENTER to go into edit mode two things will happen First the last digit will start blinking to show that this digit can be changed Second any blank spaces will change to zeros and a plus or minus sign will appear Now each digit can be accessed Change between positive and negative numbers by switching between plus and minus sign using the up or down arrow key when the plus minus segment is blinking Press ENTER again to leave edit mode Now before the new value is changed the analyzer will check the new value to make sure that it is within range If the new value is lower than the lowest value allowed for that frame then the analyzer will use the lowest allowable value instead of the new value you entered Likewise if the new value you entered is higher than allowable then the highest allowable value is used instead The analyzer will display whatever value it has stored in memory Example Change the output HIGH setting from 100 to 200 From the menu select out HI The current setting e g 100 will be displayed Press ENTER to enter edit 869 Instructions IC CONTROLS mode The display will change to 0100 and the last digit will start blinking Press twice to move left tw
72. o digits The third digit from the end will now be blinking Press the up arrow key to change the 1 to 2 Press ENTER again and the display will change from 0200 to 200 indicating that the new value has been stored in memory The output HI setting has now been changed from 100 to 200 Press the left arrow key to display HI out etc Summary of Key Functions in Edit Mode Enters edit mode The entire display or a single digit will blink to indicate that the analyzer is in edit mode Press the Enter key again to leave edit mode and accept the new value ENTER Adjusts blinking digit upward or selects the previous item from the list If a 9 is displayed then the digit will loop around to show 0 Adjusts blinking digit downward or selects the next item from the list If a 0 is displayed then the digit will loop around to show 9 Numeric Values only move to the right one digit If blinking is already at last digit display will loop to the sign on the left SELECT Numeric Values move left one digit If blinking is at the sign then blinking goes to the last character CANCEL Settings restore the initial value if it was changed Otherwise leave edit mode without doing anything At ee 869 Instructions INSTRUMENT OPERATION Input On Off Switch The temperature and pressure inputs have been provided with an on off switch The most common use of thi
73. ocedure in INSTRUMENT OPERATION section Use manual pressure compensation Electronic calibration necessary Follow procedure in APPENDIX G Electronic Hardware section 869 Instructions Page 37 TROUBLESHOOTING IC CONTROLS E3 2 Pressure Pressure greater than Turn off pressure input Follow Input On Off Switch Err reading 130 kPa procedure in INSTRUMENT OPERATION section Use off scale manual pressure compensation Pressure greater than Electronic calibration Follow procedure in APPENDIX G Electronic Hardware 130 kPa necessary section Error Messages for Battery limited and analyzer may no longer Error Description Causes Remedy Bat Battery low Batteries are almost Replace the two 9 V NI CAD batteries E9 1 Analyzer run time is spent If NI CAD s are not available switch SW2 to alkaline position and use Alkaline 9 V instrument batteries Use the AC power adapter perform to published specifications Dissolved Oxygen Tips Slow Response typically due to excessive sample line length and low flow thus producing long sample transport lags Resolve by adding a fast flow loop with the sensor in a short side stream or by shortening the line Slow response can also be caused by a buildup of dirt in the sample line In this case the problem may be alleviated by changing the take off point or by instal
74. on the user is encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the meter with respect to the receiver Move the meter away from the receiver Plug the meter into a different outlet so that the meter and receiver are on different branch circuits 869 Instructions NOTICE OF COMPLIANCE If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available form the U S Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le present appareil num rique n met pas de bruits radio lectriques depassant les limites applicables aux appareils num riques de la class A prescrites dans le Reglement sur le brouillage radio lectrique dict par le ministere des Communications du Canada Page 41 INDUSTRIAL PRODUCTS WARRANTY IC CONTROLS E co NTRO LS LTD Head Office Manufacturing amp Research 29 Centennial Road Orangeville Ontario LOW 1R1 Canada Tel 519
75. one of the following two approaches to get the analyzer to output the desired voltage level and then make electronic adjustments to calibrate the output Approach 1 Simulated 0 1 V Output Self Calibration 1 Select VDC from the output 1 menu to display the present output in V for 0 1 or in mV for 0 0 1 configuration The display will be updated as the output changes based on the input signal and the program settings 2 To simulate a different 0 1 V output signal press ENTER to enter edit mode Use the arrow keys to display the desired output needed for testing the output signal Press ENTER to select the displayed value The output signal will be adjusted to put out the desired current This process can be repeated as often as necessary to output different signal levels 3 The output signal is held at the displayed level until the program leaves this menu selection Make calibration adjustments while the analyzer shows the output at 1 00 V Approach 2 Use Voltage Source to Adjust Input This faster calibration approach requires a voltage source for the input 1 To calibrate the output set in C Input a low enough signal to cause analyzer to indicate Err the analyzer will output 0 00 V Reverse the polarity or input a high enough signal to cause the analyzer to indicate Err analyzer will output 1 00 V Adjusting 0 to 1 V Electronic Calibration 1 The voltage output is fact
76. ord You will now have level 1 or level 2 access for as long as you are working with the analyzer The access level will automatically be restored to level 0 after no key has been pressed for 15 minutes This 15 minute timeout will also redisplay the main sample It is good practice to return the analyzer to level 0 access or level 1 if password 1 is set to 000 when you have finished using the analyzer Do this by selecting PASS from the main menu then pressing Enter with 0000 displayed Passwords A Quick Tour Assuming that password 1 is defined and we are at access level 0 try changing the output 1 low setting Select out out LO from the menu The current value will display Press Enter to go into edit mode The analyzer will display PASS for 2 seconds because we need to enter a password first Level 1 security is needed to change this setting Select PASS from the main Change the displayed value to the level 1 password then press Enter The analyzer will display good followed by ACC 1 indicating that the password is valid and that we now have level 1 access Try changing the output 1 low setting again You will find that this time we can go into edit mode unhindered Before walking away from the analyzer we should disable level 1 access to prevent unauthorized users from using the analyzer Select PASS from the menu again then press Enter with 0000 displayed
77. ory set and should not require calibration However the circuit does allow the user to zero the output 2 Place voltmeter terminals across TB303 black to V O P and Red to V O P 3 Change analyzer output to 0 00 using OUT gt VDC gt 0 25 in output VDC frame 4 Adjust VR 300 for a 0 00 Volt reading Since the analyzer has a fixed span controlled by the micro processor no adjustment is necessary 869 Instructions APPENDIX H DRAWINGS IC CONTROLS APPENDIX H DRAWINGS Wiring Diagram ENPE Ol A383 6910L6SC6mp 698 ul pasn UO D9N07 Yusuodwog X BuliMm 698 l4ICOW JALIL OPDUD omogu SIAS 26 9 01 STOULNOI OI 570p GEI o 330 NO BH 9VPC BH 9VPC O L AJY EVOLSBEN Nd auvod NIV 11 nn lt lt D Omm ot EK g ge oz8a4 RS t 9 S vv ome E 26509 av Varo ER 1 59 70 Ios MPX2100AP M m Da O PO Tova ooral coed Si A 002dl 10241 SOEdl Zu QO l OO o gns i CH SN EE 2 g eC m ela eh a sei D Coes fe 4 KEES B m Is CID wei oe oll o S EIZA orea S N 2 8 0 20en GED S D nz N o e E vorn Sien 3 E Is oon dt u g 15 E amp S 3 uoyya Toen vis 4 Bae ra be ESCH FA ee 2 H 4 A oa an bed 3 3 g H za 33 Wal a on 1Sd SC BS en passe SR ows CE a 5 v anoa ones sasra SEH x a019313J 30008 ip Enn B 3 Da Lnadno a bet EN Ze Aal 2 dp pr C 3 pl eat
78. rently transmitted by the output channel The signal is displayed in V for the 0 1 configuration or in mV for the 0 0 1 configuration The display will be updated as the output signal changes based on the input signal and the output settings To simulate a different output signal press ENTER to enter edit mode Use the Up or Downkey to display the desired signal needed for testing the output signal Press ENTERT to have the displayed value take effect The output signal will change to transmit the displayed value This process can be repeated as often as necessary The output signal is held at the displayed level until the program leaves this part of the menu Troubleshooting and Servicing See also the TROUBLESHOOTING Electronic Hardware Alignment section for troubleshooting and servicing procedures 869 Instructions OUTPUT INSTRUMENT OPERATION TIME Figure 17 Typical output response of D O electrode Page 17 INSTRUMENT OPERATION RS232 COMMUNICATIONS Serial communications give the analyzer the ability to send data to any computer which can capture serial data using an RS232 serial port No special software is needed on computer to receive the ASCII data that can be sent out by the 869 Captured data can be stored on disk and other programs available to the user can be used to store the data or for further analysis A host computer analyzer supervisor program is available from IC Controls
79. rn to display the dissolved oxygen sample Alia Features 1 The analyzer has a built in timer which returns the program to displaying the home base if no key has been pressed for 15 minutes This time out has the same effect as pressing the SAMPLE key If security has been enabled as well the timeout will change the access level back to 0 or 1 automatically which gives the user read only access The user will have to enter an appropriate password to go to a higher access level If output hold for dissolved oxygen is in Page 11 INSTRUMENT OPERATION effect the same timer will release the output hold 2 When displaying the home base you can press Left to show which of the samples is displayed Pressing Right displays the same sample again 3 Ifthe temperature or pressure input does not show up in the menu and cannot be selected then it has been turned off in the configuration step The temperature and pressure inputs can be turned off and thereby effectively disappear from the menu if they are turned off in the configuration menu D Arrow Keys The four arrow keys on the keypad are used to move around the menu The same keys can have other functions as well e g see Edit Mode but when moving from frame to frame in the menu these keys work as expected Example Press SAMPLE to make sure that you are at home base Press the Right arrow key One of the prompts in the main menu wil
80. s feature is to turn off the temperature input if no temperature compensator or temperature sensor has been installed Turning off the temperature input will make the temperature C or F display at the left side of the menu disappear as if it did not exist Refer to Figure 12 for the configuration menu Metric or Imperial Units By default the analyzer will use metric units This means that temperature will be displayed using degrees Celsius and that the prompt for the temperature input will be C Using metric units the pressure is displayed as kPa The analyzer can also be made to use imperial units Using imperial units temperature will be displayed using degrees Fahrenheit and the prompt for the first temperature input will be F instead of C Pressure will be displayed as PSI throughout the program For practical reasons the temperature input is always identified as C throughout this instruction manual and in the menus To select imperial units for the analyzer select unit from the configuration menu then go into edit mode and change the C prompt to F Since this is a global setting both the units used for temperature and for pressure will change Real Time Clock The 869 analyzer has an internal date time clock which allows the analyzer to maintain the date and time even when the analyzer is powered off The date and time are needed to accurately date time stamp grab samples syste
81. scription of edit mode Select right arrow key Moves right in the menu In edit mode moves right one digit Refer to description of edit mode IC CONTROLS Enter key Enters edit mode when displaying an editable value In edit mode accepts the displayed setting Refer to description of edit mode Sample key From anywhere in the menu press the sample key to return to displaying the dissolved oxygen measurement Cal key From anywhere in the menu starts the 869 analyzer into calibrate mode Error key If flashing ERR shows in display then pressing the error key causes the LCD to display an error code If no error condition has been encountered the LCD will show NONE LED s Not implemented in the portable version of the ppb D O analyzer to conserve battery life ENTER SAMPLE ppm lt CAL ppb lt error alam ERROR CANCEL gt SELECT Figure 8 Front panel keypad Page 8 869 Instructions IC CONTROLS Menu d o PrES 102 3 869 picture display home base SAMPLE ec pres 25 0 nstructions main menu T FRE BC Auto HOLd unit ER Refer to listing of error and caution messages Stor 2 Hi GEt SENd da ti 2 do ih F CLr do out See Output Menu SEr See Serial Menu CONF Figure 9 Main menu R
82. t channel The output channel can be configured to transmit a dissolved oxygen temperature or pressure signal re w r qua gu GE TB303 TB400 Wie D l G 0 254 R400 CH 9 m PO E Tu C dvool2xdw O COM gt N D A CHASSIS Figure 15 Output wiring IC CONTROLS or 0 V output and set HI to correspond to the high end of the scale or 1 V output The analyzer will automatically scale the output according to the new settings Practically any combination of output settings can be set Reversing the Output The low scale setting will normally be lower than the high scale setting It is possible to reverse the output or flip the window by reversing the settings of the low and high scale Example Define an output window from 0 to 100 ppb dissolved oxygen with 100 ppb corresponding to 0 V output and 0 ppb corresponding to 1 V output Set LO to 100 and set HI to 0 The output channel has an on off switch and aca adjustable low and high span adjustments Output settings are selected from the out menu l C list 2 availabie Wiring and Calibration Pres inputs Refer to Figure 15 for wiring instructions for the bAt v output The factory default is to calibrate the output for i unit Lppb ppb ne 0 1 VDC output The output can also be calibrated lE 6 ppm J of input selected for 0 100 mVDC output For calibration refer to Ca
83. the Enter key again when finished 3 Press the Select right arrow key again to show the D O measurement From this display the measurement can only be viewed not edited If you have selected a grab sample number that is erased the display will show instead of a D O measurement display D O Stor _ _25 _ _ 0 96 Store the displayed D O sample sena _do _ 1 ao_ Get a sample from memory Display shows if sample is erased send logging data using serial port date time format of logging data Clear all grab sample memory erasing all grab samples Figure 23 Grab sample menu Page 22 869 Instructions IC CONTROLS Clearing Grab Samples from Memory Grab samples can be cleared erased from the analyzer memory It is not possible to erase a single grab sample the only option is to erase all grab samples or to simply reuse the same grab sample numbers over again To erase ALL grab samples from analyzer memory 1 Select GrAb CLr from the menu 2 With the display flashing do press Enter Note there is no way to restore grab sample measurements once memory is cleared Be very sure that you do want to clear grab sample memory before pressing Enter Sending Grab Samples using Serial Port Sample output of grab samples using the serial port 1 Thu Dec 18 17 48 00 1997 0 86 25 0 2 Thu Dec 18 17 50 00 1997 1 20 25 1 The first number is the
84. the calibration was not successful and the previous calibration has been retained Press any key to acknowledge the error message Take corrective action and redo the calibration Consult the Troubleshooting section of the manual for details Press any key to resume normal operation after an error message has appeared Inserting the Sensor into the Flowcell 1 Inspect the inside of the flowcell for any foreign matter and wipe out if necessary It should appear clean and clear of any particles 2 Insert the assembled and calibrated sensor through the nut and O ring Rock back and forth to pass the O ring 3 Press slowly all the way down until the sensor firmly contacts the flowcell bottom 4 By hand tighten the nut firmly to get a good seal This should be good for 15 to 90 psig Warning Do not use a large wrench to tighten the nut The plastic parts of the sensor could be broken or deformed Output Hold during Cal The 869 analyzer allows the user to hold the output for dissolved oxygen Output hold affects both output and alarm if and when these monitor the dissolved oxygen input Enable output hold by changing the d o HOLd setting to YES Output hold has the following effect 0to 1 VDC output signal transmitting dissolved oxygen is frozen at the current level alarm monitoring D O will maintain existing on off condition The output hold remains in effect until the operator changes the
85. the current dissolved oxygen reading NOTE The calibration is automatic from here on the display will stop flashing and the new sensor efficiency constant will be calculated 4 When the reading stops blinking the calibration has been completed The reading will be displayed using the new calibration value Press the SAMPLE key to return to normal operation If this key is not pressed the analyzer will return to the sample display after the 15 minute timeout 6 Output hold will be in effect until it is turned off or until no key has been pressed for 15 minutes 7 After a successful calibration select do EFF from the menu to inspect the new calibration value This value is used internally to determine the analyzer gain It is possible to speedup the automatic operation of the analyzer Also the calibration may be redone or started over at any time Press CANCEL to display the CAL frame then press SELECT to restart the calibration The calibration setting will be based on the temperature used for temperature compensation and the pressure used for pressure compensation The proper ppm dissolved oxygen reading is obtained from an internal table See Appendix C for a table of values used by the 869 analyzer 869 Instructions IC CONTROLS Error Checking If the analyzer detects a problem during calibration an error message will appear If an error has been detected then
86. tions standards or buffers carry an out of box warranty Should they be unusable when first out of box contact IC CONTROLS immediately for replacement To be considered for warranty the product shall have an RA Return Authorization number issued by IC CONTROLS customer service department for identification and shall be shipped prepaid to IC CONTROLS at the above address In the event of failure within the warranty period IC CONTROLS or its authorized dealer will at IC CONTROLS option repair or replace the product non conforming to the above warranty or will refund the purchase price of the unit The warranty described above is exclusive and in lieu of all other warranties whether statutory express or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose and all warranties arising from the course of dealing or usage of trade The buyer s sole and exclusive remedy is for repair or replacement of the non conforming product or part thereof or refund of the purchase price but in no event shall IC CONTROLS its contractors and suppliers of any tier be liable to the buyer or any person for any special indirect incidental or consequential damages whether the claims are based in contract in tort including negligence or otherwise with respect to or arising out of the product furnished hereunder Representations and warranties made by any person including its authorized
87. to change the password you must first have level 2 access to the program Select CONF PAS 2 from the menu then press ENTER when the program displays 0000 Both passwords 1 and 2 are set to 0000 and security is now disabled The main menu will be changed to exclude the PASS frame and the configuration menu will no longer have the PAS 1 frame Password Example a Quick Tour With security disabled select CONF PAS 2 from the menu Set the level 2 password to 0002 Select CONF PAS 1 from the menu Set the level 1 password to 001 Security is now enabled Select PASS from the main menu Press Enter with 0000 displayed The analyzer will display ACC O to indicate we are now at access level 0 Try changing the output 1 low setting Select out out LO from the menu The current value will display Press Enterto go into edit mode The analyzer will display PASS for 2 seconds because 869 Instructions IC CONTROLS we need to enter a password first Level 1 security is needed to change this setting Select PASS from the main menu again Change the displayed value to 0001 which is the level 1 password Press Enter The analyzer will display good followed by ACC 1 indicating that the password is valid and that we now have level 1 access Try changing the output 1 low setting again You will find that this time we can go into edit mode
88. ual pressure compensation setpoint will be displayed depending on the current setting To change the setting from Auto to SEt press ENTER to edit the current setting The display will start blinking indicating that a selection needs to be made Use the Up or Down arrow key to display SEt Press ENTER to select manual pressure compensation With SEt still displayed press SELECT to display and or adjust the pressure setting to be used with manual pressure compensation If the current value needs to be changed press ENTER to edit the current setting The display will start blinking Use the Up or Down arrow key to display the desired pressure for manual pressure compensation Press ENTER to accept the displayed value When metric units are selected the default pressure is displayed in kPa When imperial units are selected PSI is used 869 Instructions IC CONTROLS Range Automatic or Manual Refer to Figure 28 The 869 dissolved oxygen analyzer is an auto ranging analyzer The analyzer has four ranges and will automatically switch between these ranges to avoid going off scale Under normal operating conditions the analyzer will always be configured to switch between ranges automatically The input ranges described here are part of the D O measuring circuitry You can determine the input range which the D O measuring circuit is currently using by se
89. ure compensation Automatic pressure compensation using pressure input Input on off configuration The temperature input is on and will show up in the sample menu Serial Communications On off switch OFF baud rate 1200 869 Instructions IC CONTROLS APPENDIX C SATURATED DO VALUES The table below lists shows the concentration of dissolved oxygen in water over a range of temperature and pressure Dissolved oxygen values are reported C kPa 94 13 51 13 15 12 79 12 46 12 13 11 82 11 52 11 23 10 95 10 69 10 44 10 20 9 96 9 74 9 52 9 31 9 11 8 92 8 74 8 56 8 39 8 23 8 07 7 92 7 77 7 63 7 49 7 36 7 23 7 10 6 98 6 87 6 75 6 64 6 53 6 42 6 32 6 22 6 12 6 02 5 93 5 83 5 74 5 64 5 55 5 46 5 38 5 29 5 20 5 12 5 03 Oo Joo PS OM ch OO ch ch ech ch ech P OM ch CO ch sch ch sch sch Oo JO o DNDN ND DY P OM o MMMMM OONO o OO www P OM ch CO QO www OONO P P P P P P OM ch OH JS P P ZS P Oo Jo oa oO 869 Instructions 95 13 65 13 29 12 93 12 59 12 25 11 95 11 64 11 36 11 07 10 81 10 55 10 31 10 07 9 84 9 62 9 41 9 21 9 02 8 83 8 66 8 48 8 32 8 15 8 00 7 85 7 71 7 57 7 44 7 31 7 18 7 06 6 94 6 83 6 71 6 60 6 49 6 39 6 28 6 18 6 09 5 99 5 90 5 80 5 71 5 61 5 53 5 44 5 35 5 26 5 18 5 09 96 13 80 13 43 13 06 12 72 12 38 12 07 11 76 11 48 11 19 10 93 10 66 1
90. utput can be calibrated and configured for 0 1 V or 0 100 mV 2 Set preferences for metric or imperial units in CONF unit 3 If desired install password security 869 Instructions INSTRUMENT OPERATION Easy to use Menu The layout of the program is shown in the menus found in Figure 9 and following The analyzer remembers where home base is It remembers which areas of the menu you used last and it will loop around columns in the menu for you You can explore the menu with the arrow keys to find any capability and simply press SAMPLE to return to home base Then use the Right arrow key to return to exactly where you were Home Base Press Sample The SAMPLE key s function is to provide a known starting point displaying the SAMPLE home sample or home input The SAMPLE key is usable from anywhere in the SR home base The dissolved d o m 10 5 oxygen display is the default home 25 0 base display for the analyzer The PrES 102 3 analyzer s inputs dissolved Figure 14 Home base oxygen temperature and pressure are arranged underneath each other at the left hand side of the menu Use the Up or Down arrow key to display each of the readings in turn From anywhere in the menu the SAMPLE key can be used to return to the dissolved oxygen or home sample display The program will safely abort whatever it was doing at the time and retu
91. which will communicate directly with the analyzer This graphical program runs under Windows 3 1 or higher This program can be used to operate the analyzer in a network of other analyzers display and log each analyzer s inputs graphically As well the IC CONTROLS host gives direct control of each analyzer from your computer plus access to the analyzers to other programs running on the same computer or to other computers networked with the host See parts list ordering information on the IC CONTROLS analyzer host program Connecting to a Computer The 869 comes supplied with a RS232 cable with a round water tight connector on one end and a standard 9 pin connector on the other end Use only the cable supplied with the analyzer round serial port connect analyzer end _ Figure 18 Serial communications wiring Page 18 IC CONTROLS 1 Itis good practice to first turn off the analyzer and the computer before connecting the serial cable 2 Plug the round black end of the cable into the analyzer Refer to Figure 18 3 Plug the 9 pin connector end of the serial cable into the port on the back of your computer If you have a 25 pin serial port you must obtain a 25 pin adapter to connect the cable If all RS232 ports on the computer are in use you will need to disconnect the cable from one of the ports and connect the analyzer cable Turn on the analyzer and the computer Configure the analyzer for the d

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