Teledyne 6600 Operating Instructions Manual Download Page 90

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iv: Part III

Model 6620 Oil in Water Analyzer

Teledyne Analytical Instruments

7.11 Phototube Replacement ................................................ 1-44

8.0 Troubleshooting ............................................................. 1-45
8.1 The Lamp Refuses to Light ............................................ 1-45
8.2 Water Delivery Problems ............................................... 1-45

8.2.1

The Water Refuses to Flow Through the Tubing ........ 1-45

8.2.2

Sample Pump Failure .............................................. 1-46

8.3 Zero Drift Problems ........................................................ 1-46

Summary of Contents for 6600

Page 1: ...ASESMAYBEPRESENTINTHISMONITORINGSYSTEM PERSONALPROTECTIVEEQUIPMENTMAYBEREQUIREDWHENSERVICINGTHISSYSTEM HAZARDOUSVOLTAGESEXISTONCERTAINCOMPONENTSINTERNALLYWHICHMAYPERSISTFORA TIMEEVENAFTERTHEPOWERISTURNEDOFFANDDISCONNECTED ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND OR SERVICING BEFORE CONDUCTINGANYMAINTENANCEORSERVICINGCONSULTWITHAUTHORIZEDSUPERVISOR MANAGER DANGER ...

Page 2: ...ht of any parts in so far as such alterations do not adversely affect our warranty ImportantNotice This instrument provides measurement readings to its user and serves as a tool by which valuable data can be gathered The information provided by the instrument may assist the user in eliminating potential hazards caused by his process however it is essential that all personnel involved in the use of...

Page 3: ...Oil in Water Analyzer Teledyne Analytical Instruments Table of Contents Part I Control Section Part I Part II Analysis Section Part II Part III Oil in Water Sample System Part III Appendix Generic Info A 1 ...

Page 4: ...iv Model 6600 Teledyne Analytical Instruments ...

Page 5: ... Part I Control Section Teledyne Analytical Instruments OPERATING INSTRUCTIONS Model 6600 Oil in Water Analyzer Part I Control Section of the Control Analysis Unit Z PURGED CLASS I DIVISION II GROUPS B C and D ...

Page 6: ...onnections 2 1 2 3 Testing the System 2 9 3 Operation 3 1 Introduction 3 1 3 2 Using the Controls 3 1 3 2 1 Mode Function Selection 3 2 3 3 The System Function 3 4 3 3 1 Setting up an Auto Cal 3 5 3 3 2 Password Protection 3 6 3 3 2 1 Entering the Password 3 6 3 3 2 2 Installing or Changing the Password 3 7 3 3 3 Logging Out 3 8 3 3 4 System Self Diagnostic Test 3 9 3 3 5 The Model Screen 3 10 3 3...

Page 7: ...3 4 2 1 Auto Mode Spanning 3 21 4 4 2 2 Manual Mode Spanning 3 21 3 5 The Alarms Function 3 22 3 6 The Range Select Function 3 24 3 6 1 Manual Select Define Range Screen 3 25 3 6 2 Auto Screen 3 25 3 6 3 Precautions 3 26 3 7 The Analyze Function 3 27 3 8 Programming 3 28 3 8 1 The Set Range Screen 3 29 3 8 2 The Curve Algorithm Screen 3 30 3 8 2 1 Manual Mode Linearization 3 30 3 8 2 2 Auto Mode L...

Page 8: ...iv Part I Model 6600 Oil in Water Analyzer Teledyne Analytical Instruments ...

Page 9: ...II The Control Section is for indoor outdoor use in hazardous environment only The Analysis Section or Remote Section can be designed for a variety of hazardous environments All Sections are mounted in a NEMA 4 enclosure 24 x20 x10 1 2 Typical Applications when Configured with the appropriate Sample System A few typical applications of the Model 6600 are Offshore platforms Produced Water Sea Water...

Page 10: ...ng Auto Ranging allows analyzer to automatically select the proper preset range for a given measurement Manual override allows the user to lock onto a specific range of interest Twoadjustableconcentrationalarmsandasystemfailurealarm Extensive self diagnostic testing at startup and on demand with continuouspower supplymonitoring RS 232 serial digital port for use with a computer or other digital co...

Page 11: ...n in a series If none remains returns to Analyze mode screen Enter Within a menue the funtion selected is entered moving on to the next screen in a series With Value selected Enters the value into the analyzer as data Advances cursor on VFD to the next operation In the Analyze mode it calls the main menue Functions called out by the main menue System This function is a menu that calls a number of ...

Page 12: ...ectors Digital Meter Display The meter display is a Light Emitting Diode LED device that produces large bright 7 segment numbers that are legible in any lighting It is accurate across all analysis ranges The 6600 models produce continuous readout from 0 10 000 ppm and then switch to continuous percent readout from 1 100 ...

Page 13: ...Part I 1 5 Oil in Water Analyzer Part I Control Section Teledyne Analytical Instruments Figure 1 2 Model 6600 Interface Panel ...

Page 14: ...Isolated 4 20 mA dc and 4 20 mA dc range ID Alarm Connections 2 concentration alarms and 1 system alarm RS 232 Port Serialdigitalconcentrationsignaloutput and control input Remote Bench Providesallelectricalinterconnecttothe AnalysisSection Remote Span Zero Digital inputs allow external control of analyzercalibration Calibration Contact To notify external equipment that instrument is being calibra...

Page 15: ...e Control Analysis Unit The analyzer is shipped with all the materials you need to install and prepare the system for operation Carefully unpack the Control Analysis Unit and inspect it for damage Immediately report any damage to the ship ping agent Figure 2 2 Required Front Door Clearance Allow clearance for the door to open in a 90 degree arc of radius 15 5 inches See Figure 2 2 Figure 2 2 Requi...

Page 16: ...ks No uninsulated wiring should come in contact with fingers tools or clothing during normal operation Primary Input Power The power supply in the Model 6600 will accept a 115 Vac 50 60 Hz power source See Figure 2 4 for detailed connections DANGER Power is applied to the instrument s circuitry as long as the instrument is connected to the power source The standby function switches power on or off...

Page 17: ...TS terminal block There are two connectors per output with the polarity noted See Figure 2 5 The outputs are 0 1 V dc of Range Voltage rises linearly with increasing sample con centration from 0 V at 0 to 1 V at 100 Full scale 100 programmed range 0 1 V dc Range ID 0 25 V Range 1 0 5 V Range 2 0 75 V Range 3 4 20 mA dc Range M Option Current increases linearly with increas ing sample concentration...

Page 18: ...lected analysis range For example if the analyzer is set on a range that was defined as 0 10 then the output would be as shown in Table 2 1 Table 2 1 Analog Concentration Output Examples Concentration Voltage Signal Current Signal Output V dc Output mA dc 0 0 0 4 0 1 0 1 5 6 2 0 2 7 2 3 0 3 8 8 4 0 4 10 4 5 0 5 12 0 6 0 6 13 6 7 0 7 15 2 8 0 8 16 8 9 0 9 18 4 10 1 0 20 0 To provide an indication o...

Page 19: ...Each has both normally open and normally closed contact connections The contact connections are indicated by diagrams on the rear panel They are capable of switching up to 3 ampers at 250 V AC into a resistive load Figure2 6 Figure 2 6 Types of Relay Contacts The connectors are Threshold Alarm 1 Can be configured as high actuates when concentration is above threshold or low actuates when concentra...

Page 20: ... ON for remote control of calibration See Remote Calibration Protocol below Zero Floating input 5 to 24 V input across the and terminals puts the analyzer into the ZERO mode Either side may be grounded at the source of the signal 0 to 1 volt across the terminals allows ZERO mode to terminate when done A synchronous signal must open and close the external zero valve appropriately See Remote Probe C...

Page 21: ...he zero command 3 When CRC opens again send a span command until the CRC closes The CRC will quickly close 4 When the CRC closes remove the span command When CRC opens again zero and span are done and the sample is being analyzed Note The Remote Bench terminal strip section 3 6 Part III provides signals to ensure that the zero and span gas valves will be controlled synchronously Range ID Relays Fo...

Page 22: ...rms if any are tripped AL x ON Each status output is followed by a carriage return and line feed Three input functions using RS 232 have been implemented to date They are described in Table 2 4 Table 2 4 Commands via RS 232 Input Command Description as enter Immediatelystartsanautospan az enter Immediatelystartsanautozero st enter Toggling input Stops Starts any status message output from the RS 2...

Page 23: ...integrity and accuracy of the gas connections Make sure there are no leaks Check the integrity and accuracy of all electrical connections Make sure there are no exposed conductors Check that sample pressure typically between 0 and 30 psig according to the requirements of your process Turnhomogenizerpowerpotentiometerfullycounter clockwise OFF see section 3 3 8 for operation of homogenizer Warning ...

Page 24: ...2 Installation Model 6600 2 10 Part I Teledyne Analytical Instruments ...

Page 25: ...on cycle if desired RoutineOperation Calibratetheinstrument Choose autoranging or select a fixed range of analysis Set alarm setpoints and modes of alarm operation latching fail safe etc Program Reprogramtheanalyzer Define new applications Linearize your ranges Ifyouchoosenottousepasswordprotection thedefaultpasswordis automaticallydisplayedonthepasswordscreenwhenyoustartup andyou simplypressEnter...

Page 26: ...menuscreenslooksasshown below SYSTEM SPAN ZERO ALARM RANGE STBY TheMainmenuescreenisthetoplevelinaseriesofscreensusedto configuretheanalyzer TheDOWN UPselectsthedifferentoptionsdisplayed intheVFDscreen TheselectableoptionblinksontheVFDscreenwhenyou reachthedesiredoption toggletheEnterswitch TheEscapeswitchtakesyoubackuptohierarchyofscreensuntilyou returnbacktotheAnalyzescreenmode Hereisabriefdescr...

Page 27: ...assword Define Application R a n g e Select range Display gas use and range Enter Secure System setup not allowed Span Zero status and setup Span Zero timing and on off Enter Set Ultrasonic Homogenizer ON OFF TRACK or HOLD Set cal hold and sample hold timer Enter M O R E ALGORITHM Select range APPLICATION M O D E L OUTPUT_CAL Enter Enter Enter Display Model Version Select Verify Setup Auto Manual ...

Page 28: ...achoperationisreproduced at theappropriatepointintheprocedure inaMonospacedtypestyle 3 3 The System Function ThesubfunctionsoftheSystemfunctionaredescribedbelow Specific proceduresfortheirusefollowthedescriptions Dig_Filt Adjust how much digital filtering should be on the signal SELF TEST Performs a self diagnostic test to check the integrity of the power supplies outputs detector signal and pream...

Page 29: ... 4 and follow the precautions given there Note If you require highly accurate AUTO CAL timing use external AUTO CAL control where possible The internal clock in the Model 6600 is accurate to 2 3 Accordingly internally sched uled calibrations can vary 2 3 per day To setup an Auto Cal cycle ChooseSystemfromthemainmanu TheVFDwilldisplayfivesubfunc tions DIG_FILT SELF TEST PWD LOGOUT MORE Select MORE ...

Page 30: ...atorjustusestheEnter switchtobeallowedtotalaccesstotheinstrument sfeatures Ifapasswordisassigned thensettingthefollowingsystemparameterscan bedoneonlyafterthepasswordisentered alarmsetpoints assigninganew password range applicationselections andcurvealgorithmlinearization APPLICATIONandALGORITHMarecoveredintheprogrammingsection However theinstrumentcanstillbeusedforanalysisorforinitiatingaself tes...

Page 31: ...keep it and go on Change Password ENT Yes ESC No Escape to move on or proceed as in Changing the Password below 3 3 2 2 InstallingorChangingthePassword Ifyouwanttoinstallapassword orchangeanexistingpassword proceed asaboveinEnteringthePassword Whenyouaregiventheopportunityto changethepassword Change Password ENT Yes ESC No ntertochangethepassword eitherthedefaultTAIorthepreviously assignedpassword...

Page 32: ...efeated theAnalyzescreenappearsas 1 95 ppm SO2 nR1 Ø 1Ø Anlz Ifanalarmistripped thesecondlinewillchangetoshowwhichalarmitis 1 95 ppm SO2 AL 1 NOTE If you log off the system using the LOGOUT function in the system menu you will now be required to re enter the pass word to gain access to Alarm and Range functions 3 3 3 Logging Out TheLOGOUTfunction providesaconvenientmeansofleavingtheanalyz erinapas...

Page 33: ...inlet Theselfdiagnosticsarerunautomaticallybytheanalyzerwheneverthe instrumentisturnedon butthetestcanalsoberunbytheoperatoratwill If anyofthefunctionsfails theSystemAlarmistripped butisnottrippedatthe startupbecauseitmightgivefalsealarmafterapowerfailure Toinitiateaself diagnostictestduringoperationentertheSystemmenu DIG_FILT SELF TEST PWD LOGOUT MORE UsetheUP DOWNagaintomovetheblinkingtotheSELF ...

Page 34: ...ation but atleastrange01shouldbe Gas Use SO2 Range Ø 10 Enteragain Algorithm setup VERIFY SET UP SelectandEnterVERIFYtocheckwhetherthelinearizationhasbeen accomplishedsatisfactorily Dpt INPUT OUTPUT Ø Ø ØØ Ø ØØ Theleftmostdigit underDpt isthenumberofthedatapointbeingmoni tored UsetheUP DOWNswitchtoselectthesuccessivepoints TheINPUTvalueistheinputtothelinearizer Itisthesimulatedoutputof theanalyzer...

Page 35: ...sby settingtheamountofdigitalfilteringeffectedbythemicroprocessing Toaccess thedigitalfiltersetup youmust 1 EntertheSystemmenu DIG_FILT SELF TEST PWD LOGOUT MORE 2 DIG_FILTwillflash ENTER Weight of digital Filter 9 3 Thenumberonthesecondrowwillflashandcanbesetby usingtheUp Downswitch 4 PressEscapetoreturntotheSystemmenu Thesettingsgofromzero nodigitalfiltering to10 maximumdigitalfilter ing Thedefa...

Page 36: ...e waterfromclumpingtogether Thehomogenizershouldturnonaftertheinitial warmupandself diagnosticperiodwhentheanalyzerenterstheAnalyzemode Thehomogenizerwillturnoffautomaticallyassoonastheanalyzerentersthe ZeroandSpanmode turningbackonattheend Undersomeconditions itmightbedesirabletomanuallyturntheUltra SonicHomogenizeroff Thehomogenizersetupfunctionisprovidedinthe Systemmenu ToaccesstheHomogenizerfu...

Page 37: ...rtheSystemmenu DIG_FILT SELF TEST PWD LOGOUT MORE 2 UsingtheUP DOWNswitch selectMOREandEnter The SecondSystemscreenappears AUTOCAL HMGNZR TRACK CAL HOLDER TIMER MORE or AUTOCAL HMGNZR HOLD CAL HOLD TIMER MORE 3 TheoptionontherightofthefirstrowcanbesettoTRACKor HOLDbytogglingEnterswitch ByselectingtheTRACKoption theanalog outputsareenabledandwiththedisplaywill tracktheconcentrationchanges whilethei...

Page 38: ... LOGOUT MORE 2 Using theUP DOWN switch select MORE and press Enter The Second System screen appears AUTOCAL HMGNZR TRACK CAL HOLD TIMER MORE or AUTOCAL HMGNZR HOLD CAL HOLD TIMER MORE 3 Select with the UP DOWN switch CAL HOLD TIMER and press the Enter key to access this function menu Calbrt hold 3 min Sample hold 1 min The calibration hold time is set on the first row while the sample hold time is...

Page 39: ...mber can be set anywhere from 0 to500 Thedefaultis250 inthemiddle Atthedefaultsetting theoutput shouldbeverycloseto4mA Ifnot slowlyadjustthenumberusingtheUpor theDownkeysuntilDMMreads4 00mA Enterwhendone 5 AscreensimilartotheoneabovewillappearandtheDMM shouldreadcloseto20mA Ifnot slowlyadjustthenumberusingtheUpor DownkeyuntilDMMreads20 0mA Enter whendonetoreturntosystem menu Therangeofadjustmentis...

Page 40: ...usuallynotinstalled andzero solenoidon 4 SPNB Setsbothspanfilteron usuallyonlyonefilterinstalled and zerosolenoidon 5 ANLZ ReturnsFiltersandsolenoidtotheAnalyzemode spanfilter off zerosolenoidoff Press Escape to see the effect NOTE FORPROPEROPERATIONOFTHEANALYZER RETURNTOANLZMODE 3 4 The Zero and Span Functions TheModel6600canhaveasmanyasthreeanalysisrangesplusaspecial calibrationrange CalRange Ca...

Page 41: ...zeroing skip to section 3 4 1 3 3 4 1 1 AutoModeZeroing Observetheprecautionsinsections3 4and3 4 1 above Enterthezero functionmode Thescreenallowsyoutoselectwhetherthezerocalibrationisto beperformedautomaticallyormanually UsetheUP DOWNswitchtotoggle between AUTO and MAN zero settling Stop when AUTO appears blinking on thedisplay Select zero mode AUTO Entertobeginzeroing ppm OIL Slope C Zero Thebeg...

Page 42: ...Nswitch between AUTO and MAN zero settling Stop when MANUAL appears blinking onthedisplay Select zero mode MANUAL Entertobeginthezerocalibration Afterafewsecondsthefirstofthree zeroingscreensappears Thenumberintheupperlefthandcorneristhefirst stagezerooffset Themicroprocessorsamplestheoutputatapredetermined rate ppm OIL Zero adj 2048 C Zero TheanalyzergoesthroughC Zero F Zero andS Zero DuringC Zer...

Page 43: ...ds and 1000CCM for gases d Checktemperaturecontrollerboard e Checksampletemperature f Check the Sample Cell for dirty windows g Perform a Zero calibration in the manual mode h Check for air bubbles in liquid applications Ifnoneoftheabove proceedtoperformanopticalbalanceasdescribedin chapter 3 part II 3 4 1 4 Zero Offset Calibration Toaccessthisfunction theinstrumentzeromodemustbeenteredby pushingt...

Page 44: ...ssumesthatthezerogasandtheprocessbackgroundgasareverydifferentand thatanoffsetwilloccur 1 Lettheintendedzerocalibrationgasflowthroughthe6600samplecell this assumesthatyouhavestartedupyousystemasrecommendedbythemanualor technicalpersonnel anddoazeroontheinstrument Leavetheoffsetsettozero value 2 Attheendofthezerofunction makesuretheanalyserreadszero 3 Flowtheprocessbackgroundgasmixthroughthe6000sam...

Page 45: ... AUTO Entertomovetothenextscreen Span Val 2Ø ØØ ENT twice to start Theunitfieldshouldbeblinkingfirst ppm UsetheUP DOWNswitch tosettheproperunitofthespanfluidandenter Then usetheUP DOWN switchtosettheconcentration Whenyouhavesettheconcentrationofthe spanfluidyouareusing EntertobegintheSpancalibration ppm OIL Slope Span Thebeginningspanvalueisshownintheupperleftcornerofthedisplay Asthespanreadingset...

Page 46: ...fficientlystable Enter Generally whentheSpanreadingchangesby1 orlessoftherangebeing calibratedforaperiodof30secondsitissufficientlystable Oncethespan ends thecalibrationisstoredinmemory Theinstrumentthenautomatically enterstheAnalyzefunction 3 5 The Alarms Function TheModel6600isequippedwith2fullyadjustablesetpointsconcentra tionwithtwoalarmsandasystemfailurealarmrelay Eachalarmrelayhasaset ofform...

Page 47: ...r of the alarms to be latching In latching mode once the alarm or alarms trigger they will remain in the alarm mode even if process conditions revert back to non alarm conditions This mode requires an alarm to be recognized before it can be reset In the non latching mode the alarm status will terminate when process conditions revert to non alarmconditions 4 Are either of the alarms to be defeated ...

Page 48: ...ter the Alarms function again and repeat this procedure for alarm 2 AL2 To reset a latched alarm go to Dft and then toggle either Up or DOWN two times Toggle it to Y and then back to N OR Go to Ltch and then toggle either UP two times or DOWN two times Toggle it to N and back to Y 3 6 The Range Select Function TheRangefunctionallowsyoutomanuallyselecttheconcentration range ofanalysis MANUAL ortose...

Page 49: ...UP DOWNswitch tochangethevalueofthefield Entertomovetothelow endoftherangefield Escapetoreturntothepreviousscreentoselectordefineanotherrange EntertoreturnthetotheAnalyzefunction 3 6 2 Auto Screen Autorangingwillautomaticallysettotheapplicationthathasatleasttwo rangessetupwiththesamegases Intheautorangingmode themicroprocessorautomaticallyrespondsto concentrationchangesbyswitchingrangesforoptimumr...

Page 50: ...ng applications or ranges might require relinearization and or recalibration Tosetupautomaticranging EntertheRangefunctiontostarttheRangefunction Select range mode AUTO If above screen displays MAN use the UP DOWN switch to Select AUTO and Enter PressEscapetoreturntothepreviousAnalyzeFunction 3 6 3 Precautions TheModel6600allowsagreatdealofflexibilityinchoosingrangesfor automaticrangeswitching How...

Page 51: ...water background and preparation of zero fluid by the sample system the autorange feature should not be used Only single range is recommended Figure3 2illustratestheseschemesgraphically Figure 3 2 Examples of Autoranging Schemes 3 7 The Analyze Function Normally allofthefunctionsautomaticallyswitchbacktotheAnalyze functionwhentheyhavecompletedtheirassignedoperations TheEscapekey inmanycasesalsoswi...

Page 52: ...on These func tions should only be reprogrammed by trained qualified personnel Toprogram youmust 1 Enter the password if you are using the analyzer s password protectioncapability 2 Connect a computer or computer terminal capable of sending an RS 232 signal to the analyzer RS 232 connector See chapter 2 Installation for details Send the rp command to the analyzer 3 Enter the System menu DIG_FILT S...

Page 53: ...er Intheautorangingmode themicroprocessorautomaticallyrespondsto concentrationchangesbyswitchingrangesforoptimumreadoutsensitivity Ifthe upperlimitoftheoperatingrangeisreached theinstrumentautomaticallyshifts tothenexthigherrange Iftheconcentrationfallstobelow85 offullscaleof thenextlowerrange theinstrumentswitchestothelowerrange Acorrespond ingshiftintheDCconcentrationoutput andintherangeIDoutput...

Page 54: ...ge fromppmtopercentwhentheconcentrationisabove9999 ppm Note When performing analysis on a fixed range if the concentra tion rises above the upper limit as established by the operator for that particular range the output saturates at 1 V dc or 20 mA However the digital readout and the RS 232 output continue to read regardless of the analog output range Toendthesession send st enter st enter tothean...

Page 55: ...n butthegasvaluescan be modified and the data point number cannot Use theUP DOWNkeyto modufytheinputfield thenEntertomodifytheoutputfield Enteragaintomove tothenextdatafield Aftereachpointisentered thedata pointnumberincrementstothenext point Movingfromthelowesttothehighestconcentration Dpt INPUT OUTPUT 0 Ø ØØ Ø ØØ Repeattheaboveprocedureforeachofthedatapointsyouaresetting up toninepoints 0 8 Sett...

Page 56: ...earization performastandardcalibration Seesection 4 4 Toenterdata From the System Functions screen 1 Select ALGORITHM and Enter 2 SelectandEnterSETUP 3 Enter AUTO from the Calibration Mode Select screen TheAutoLinearizeModedataentryscreenappears 19 5 ppm SO2 Input Ø 20 00 5 Use the UP DOWN switch to set the proper value of calibration gas and Enter Repeat this step for each cal point number as it ...

Page 57: ...RNINGS ON THE TITLE PAGE OF THIS MANUAL 4 1 Fuse Replacement The 6600 requires two 5 x 20 mm 4 A T type Slow Blow fuses The fuses are located inside the main housing on the Electrical Connector Panel as shown in Figure 4 2 To replace a fuse 1 Disconnect the Unit from its power source 2 Place a small screwdriver in the notch in the fuse holder cap push in and rotate 1 4 turn The cap will pop out a ...

Page 58: ...tep 1 4 2 System Self Diagnostic Test 1 Press the System button to enter the system mode 2 Use the arrow keys to move to More and press Enter 3 Use the arrow keys to move to Self Test and press Enter The following failure codes apply Table 5 1 Self Test Failure Codes Power 0 OK 1 5 V Failure 2 15 V Failures 3 Both Failed Analog 0 OK 1 DAC A 0 1 V Concentration 2 DAC B 0 1 V Range ID 3 Both Failed ...

Page 59: ...inging open the front cover as described earlier The major internal component locations are shown in Figure 4 2 the cell block is illustrated in Figure 3 2 and the fuse receptacle is shown in Figure 3 3 The 6600 contains the following major internal components Customer Interface PCB Power Supply on bottom surface Preamp PCB Contains Microprocessor Front Panel PCB Contains Displays 5 digit LED mete...

Page 60: ...Instruments Figure 4 2 Control Section Major Internal Components To swing open the cover panel remove all screws WARNING HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED Side View Open Door ...

Page 61: ...ments OPERATING INSTRUCTIONS Model 6600 Oil in Water Analyzer Part II Analysis Section of the Control Analysis Unit 6600C GP Rack Panel Integral or Remote 6600Z GP Bulkhead Z Purged in Div II areas Integral or Remote 6600X X Proof 1 1 B C D Integral or Remote ...

Page 62: ...acking the Analyzer 2 1 2 2 Installing Connecting the Analyzer 2 1 2 2 1 User Connections 2 1 2 2 2 Electrical Power Connections 2 2 2 2 3 Compressed Air Supply 2 2 2 2 4 Pipe Connections 2 2 2 2 5 Signal and Alarm Output Connections 2 2 2 2 6 Sample Delivery System 2 2 2 2 7 Draining the System 2 3 2 3 Testing the System 2 3 2 4 Calibration 2 3 2 4 1 Calibration Fluids 2 3 2 4 2 Calibration 2 3 3...

Page 63: ... of the I to E Converter Output 3 4 3 5 5 Balancing the Optics for Equal Light Transmission with Zero Fluid in the Sample Cell 3 5 3 5 6 Setup of the Logarithmic Amplifier 3 6 3 5 7 Inverting Amplifier 3 6 3 5 8 Integrated Reference and Measuring Signals 3 7 3 5 9 Battery Powered Oscilloscope Synchronization Point 3 7 3 6 Interface Board Terminal Strip 3 7 Appendix A 1 Specifications A 1 A 2 Recom...

Page 64: ...iv Part II Model 6600 Oil in Water Analyzer Teledyne Analytical Instruments ...

Page 65: ... shows the course of optical energy in the analyzer The optical energy is emitted from a source lamp in the source module passed through the sample cell and received by the sensor which converts the optical energy to pulses of electrical energy These pulses of electrical energy are processed further in the detector module The result is separate pulses that are compared in the control unit to revea...

Page 66: ...egrees apart that alternately and continuously rotate into and out of the light beam Sample flows continuously through the sample cell and absorbs optical energy at various wavelengths depending on its composition The analyzer monitors two wavelengths a measuring wave lengthselectedwherethecomponentofinteresthasacharacteristicabsorption peak and a reference wavelength that provides stability by co...

Page 67: ...lters The detector output which is a sequence of pulses that directly reflect the photo energy transmitted by the measuring and reference filter is a measure of the concentration of the component of interest in the sample The difference in energy between the measuring and reference pulse is related exponentially to the concentration of the component of interest Thephotodetectorcurrentoutputisampli...

Page 68: ...mplifier in the Control Unit The output of the subtractor is a DC voltage linearly related to the concentration of the component of interest From the subtractor the signal progresses to the analog to digital converter on the motherboard of the Control Unit The microcontroller reads the A to D converter and displays the result on the front panel The procedure to set up the optical bench the signal ...

Page 69: ...s sample background changes are not a problem The zero fluid in this case may be the major component of the sample void of the component of interest Foroilinverycleanwaterapplications theZerofluidcanbeahydrocarbonfree air or N2 2 The sample may contain chemicals that are not of interest but absorb UV energy at the measuring wavelength used for analysis of the componentofinterest forexample oilinwa...

Page 70: ... and an optional span filter power supply The Quartz Iodine lamp power supply is a switching regulator that maintains a constant voltage 5 VDC across the filament of the lamp The lamp is incandescent Its envelope is filled with a halogen to avoid sputtering of the filament blackening the lamp envelope The D2 lamp power supply is a combination current and voltage regulator It maintains a constant a...

Page 71: ...d from the Source module sub assembly See D 65306 The filter wheel that carries the optical filters is marked with M for measuring and R for reference filter If you remove the filter wheel you must align a reference mark on the wheel with a reference mark on the shaft When the switch activating disc is removed align with the marks on the switch plate and motor mount when you put it back The photot...

Page 72: ...del 6600 Teledyne Analytical Instruments 1 7 Sample Systems Below is a typical sample systems that deliver to the sample fluid 6600 sample cell for Analysis Depending on the mode of operation either sample or calibration gas is delivered ...

Page 73: ...erature Control the system must be installed in an area wheretheambienttemperatureisnotpermittedtodropbelow32 Ffreezingnor rise above 122 F 0 50 C Regardlessofconfiguration thesystemmustbeinstalledonalevelsurface with sufficient space allocated on either side for personnel and test equipment access Subject to the foregoing the system should be placed as close to the sample point as possible and bo...

Page 74: ...consult the text in the manual that describes your particularsamplesystemindetail 2 2 5 Signal and Alarm Output Connections Signal and alarm output connections are made inside the control unit to terminal blocks mounted on the interface PC board Note For current outputs the signal circuit resistance including accessory devices must not exceed 1000 ohms The alarm contact circuit must not draw more ...

Page 75: ...ure there are no exposed conductors Check that sample pressure is between 3 and 40 psig according to the requirements of your process NOTE Special designed systems may require checks under vacuum or high pressure consult manual addendum Consult commissioning start up section in the manual addendum Warning Do not operate the ultrasonic homogenizer in the instrument for more than one 1 minute withou...

Page 76: ...ng Two calibration methods are available 1 Calibration with zero and span fluids 2 Calibration with a span filter Method One 1 Inject zero fluid and set zero as referred in Part I 2 Injectspanfluidandsettheconcentrationofthespanfluidwith the span procedure referred in Part I Method Two 1 Determine the span setting using Method One 2 Activate the span filter as referred in section 3 3 8 Part I 3 Re...

Page 77: ... lamp circuit or its starter Youcandetectalampoffconditionwiththesignalfailurealarmcircuit butyoumustconnecttherelaycontactsfromthealarmtoyourindicatingdevice In addition you will experience an alarm condition when the cell windows are extremelydirtyortheelectronicsfailinthedetector converter logamplifier or inverter circuits When the alarm circuit is powered independently from the analyzerpowerso...

Page 78: ...beenincorporatedinto the inlet flow pattern turbalent flowingsweep across cell windows of the samplecelldesign 3 4 Suggested Preventive Maintenance Schedule DAILY these suggestions are perinent to your particular system design 1 Visuallyinspectthecompletesystemforobviousdefects such as leaking tubes or connectors 2 Verify that the sample pump if applicable is running 3 Verify that the signal failu...

Page 79: ...tch the vertical input selector of the scope to DC Switch to AC to observe the demodulator switch signals DVM DigitalVoltmeter 3 5 2 Power Supply Test Points Measure 15 volt 1 volt DC and 15 volt 1 volt DC on the differential powersupplyPCboardinthecontrolunit Refertothepowersupplyschematic inthebackofthemanualtoidentifythepowersupplytestpoints orsection3 6 in this chapter 3 5 3 Setup of the Signa...

Page 80: ... alternating pattern The display is created by the light passing through the reference and measuring filters as they are brought in and out of the light beam by the rotating filter wheel These light pulses are convertedtoelectronicenergywhichisamplifiedandbroughttoTP2 Thebase line represents the blocking of the light beam by the opaque part of the filter wheel To identify which of the pulses is th...

Page 81: ...hould be adjusted to 8 or 9 volts with the gain control R2onthedetectorPCboard Whenthiscannotbedonebecausebothpeaksare tooshortortoolong searchforscreensmountedinthelight path usuallylocated inaholderonthelightpipewhichinterconnectsthedetectorandsamplemodule and remove or add screens as necessary 2 Whenbalancingisneeded identifythepeaksasoutlinedunder Section 3 For example if the reference peak is...

Page 82: ...tinuously taking the logarithm of the outputsignalofthesecondamplifier Youcanobservetheoutputbyconnecting the scope probe to TP4 The correct wave shape has a rounded negative going pulse that is the signalandaflat toppedpositivepulsethatdepictssaturationofthelogamplifier Youshouldnotpermitdistortionsoroscillationsintheroundedpeaks Whenthepositivegoingpulseisnotflatorisdistorted adjusttrimpotR3 onl...

Page 83: ...the switch by slightly changing the switch position The action of a bar magnet and a rotating chopper disc activate themagneticmercuryreedswitch Analuminummotormountingblockhouses a bar magnet This bar magnet is parallel with the mercury chopper switch The chopper disc is a green and black disc mounted on the filter wheel shaft next to the motor The disc is composed of both magnetic and non magnet...

Page 84: ... temperature controller PCB The second strip terminal has four contacts labeled SHLD SIG GND MEAS and REF This strip terminals are dedicated to the signals coming from the photodetector amplifier The labels stand for SHLD Shield Shield form the preamplifier cable connects to this contact SIG GND Signal Ground Ground reference for both the measure and the reference signal MEAS Measure Signal voltag...

Page 85: ...tector preamplifier 15 VDC 15 VDC Power Supply voltage fed to the photodetector preamplifier 15 VDC COM Common reference to the 15 VDC and the 230 VDC power supplies SPAN FLTR Span filter signal AC voltage SPAN SOL Span solenoid signal AC voltage ZERO FLTR Zero filter signal AC voltage ZERO SOL Zero solenoid signal AC voltage ...

Page 86: ...3 Maintenance Model 6600 3 10 Part II Teledyne Analytical Instruments ...

Page 87: ...ERATING INSTRUCTIONS Model 6600 Oil in Water Sample Conditioning System Operation Part III Sample System X Proof Part Number D 6600 GP Rack Panel Integral or Remote 6600Z GP Bulkhead Z Purged in Div II areas Integral or Remote 6600X X Proof 1 1 B C D Integral or Remote ...

Page 88: ...1 2 Sample Cell 1 9 3 1 3 Detector Module 1 9 3 1 4 Control Unit 1 10 3 3 Electrical Connections 1 11 3 4 The Sampling System 1 11 3 4 1 Sample Water Preconditioning System 1 11 3 4 2 Zero Water Preconditioning System 1 13 3 4 3 The Automatic Sample Cell Cleaning System 1 14 3 5 The Signal Outputs 1 16 3 6 Recorder Requirements 1 16 3 7 The Process Alarm System 1 17 3 8 The Amplifier PCB 1 17 3 8 ...

Page 89: ... 29 5 6 2 Span Fluid Preparation 1 29 5 6 3 Calibration 1 30 5 6 4 Calibration by Correlation with Laboratory Analysis1 32 5 6 5 Calibration of Homogenizer 1 33 5 7 System Set Up for Automatic Operation 1 35 5 7 1 Set Up for Automatic Sampling 1 35 5 7 2 Electronics Set Up for Automatic Operation 1 35 6 0 Automatic Operation and Routine Operational Duties 1 36 6 1 System Visual Check and Response ...

Page 90: ...ytical Instruments 7 11 Phototube Replacement 1 44 8 0 Troubleshooting 1 45 8 1 The Lamp Refuses to Light 1 45 8 2 Water Delivery Problems 1 45 8 2 1 The Water Refuses to Flow Through the Tubing 1 45 8 2 2 Sample Pump Failure 1 46 8 3 Zero Drift Problems 1 46 ...

Page 91: ...in water analysis system correlates exceptionally well to EPA and marine testing methods based upon a more realistic definition pertinent to how our system works That is the definition of what is truly oil in water from fossil fuel sources is what can be coarse filtered non dissolvedoils andwhatcanbeultrafinefiltered dissolvedoils from the process water sample The above definition is a result of a...

Page 92: ... the component of interest in the sample 2 1 The Optical Bench Energy from a Mercury Line lamp used as a source is optically focused through a folded path through a sample cell onto a photo detector In front of thedetectorisamotor drivenfilterdisccontainingtwoopticalfiltersmounted 180 degrees apart which alternately and continuously rotate into and out of the light beam Sample flows continuously t...

Page 93: ...aninvertingamplifier whichactslike abufferbetweenlogamplifierandswitchandinvertstheinputsignalforfurther processing The output of the inverting amplifier is fed to a magnetically activated SPDT reed switch synchronized in such a way that all measuring pulses are collected on one switch contact and all reference pulses on the other The pulses pass through diodes which isolate the integrating networ...

Page 94: ...ent in order to present the sample to the measuring cell in such a way so as to maintain the highest degree of accuracy for oil measurements 2 4 From B71046 0 or customer s piping schematic Each of these subsections with piping flow components are identified with rectangular dotted lines to indicate their importance based upon a particularoilmeasurementapplication For Example there are 4 basic pro...

Page 95: ...ashing decks etc 1 2 and 4 if no sample pressures or gravity feed available NOTE for ranges higher than 200ppm oil a dilution system is required Note Assume sample inlet contains both dissolved and non dissolved oil with non oil organic background compositions and is representative It should also be uniform and kept homogeneous up to the homogenization step NOTE By adjusting valve V4 in a position...

Page 96: ...atic zero cycle is initiated by a signal from the Model 6600 microprocessorbased timercircuit Thetimingcycleis1hour Thetimingcycle can be modified through the system menu refer to chapter 3 of the control unit partofthismanual Thezerocyclelastsforabout5minutesandthesamplecycle lasts about 55 minutes The sequential switching from sample to zero is operated by the 6600 control unit where the zero re...

Page 97: ...ed wherein the filter labeled F1 3 micron eliminates the non dissolved oil in the process steam while filter s labeled F2 0 2 to 1 micron and F3 0 2 micron teflon element filter eliminates over 98 of the dissolved oil species When only the F1 filter is selected by V4 in the up position the autozeroing will cancel out the dissolved oil left in the process sample thereby allowing one to measure only...

Page 98: ...e zero for the process fluid If the output of the subtractor remains as it was on the preceding zero cycle then no correction of the auto zero circuit is required This means that no background change has occurred during the past hour When the output of the subtractor is other than the previous zero cycle value the Auto Zero circuit would compensate for the difference resulting in zerovoltsatitsout...

Page 99: ...me type equipment Class I Div II B C D 3 1 1 Source Module The source module contains a mercury line lamp the source of UV energy locatedwithinaparabolicreflectorwhichcapturesmostoftheemitted lamp output energy A quartz lens is used to focus the energy into a beam for transmission through the optical path and sample cell before reaching the detector PMT WARNING The lamp is installed within a parab...

Page 100: ...ion proof models test points are available on the outside in the bottom for general purpose units 3 1 4 Control Analysis Unit The control analysis unit contains the majority of the electronics em ployed by the analyzer as well as operator controls There are four PCB assemblies Three of them are located on the door the Display PCB The Main PCB and the Amplifier PCB The Interface PCB is located on t...

Page 101: ...pleforanalysis on a continuous basis The sample is homogenized when range is above 20ppmOil sothatanyundissolvedoilfractionwillbeuniformlydispersedinto solutionalongwiththedissolvedoilfractionofthesamplepriortopresentation foranalysis Samplepressuresrangingupto150psicanbeaccommodated The control manifold has a utility water connection selected by a 3 way valve and inlet port so that the sample lin...

Page 102: ...purposes and are N O to allow sample to return to a lower pressure point This return point must be at least 10 psig lower than the inlet takeoff when no pump is used otherwise no flow will occur through the system NO PRESSURIZED INLET FOR SAMPLE DELIVERY PUMP REQUIRED When no sample pressure is available either the customer or TAI will have provided a suitable pump for the delivery of the process ...

Page 103: ...r Preconditioning System Since the analyzer operates at a fixed measuring wavelength and many soluble organic compounds absorb to some degree at this wavelength the effects of organics other than oil must be eliminated from the analysis Thus a solutionispreparedthatisessentiallyfreeofoil butretainsalltheotherorganic characteristicsoftheunconditionedsample Whenpresentedtotheanalyzer the absorptionc...

Page 104: ...ply a reproducible zero back ground fluid in this case a gas such as oil free air or Nitrogen When the process is ultra clean a clean oil free gas background serves as an excellent meduim to autozero the instrument on a hourly basis while correcting for the optics source and detector anomolies that occur over time The backflush supply required preferred 80 120 psig 5 6 8 4 kg cm2g must be oil free...

Page 105: ...follows On the front panel of the control analysis unit operate the switches in the followingmanner 1 hit or scroll the switch labelled escape enter to enter displayindi catessystem flashing 2 hit or scroll the switch labelled down up to down once displayindi cates span flashing hit again to down once displayindi cateszero flashing 3 hit enter once displayindi cates select zero manual or auto 4 hi...

Page 106: ...h zero cycle This jet air evacuates the process water and any collected residue from the sample cell once each hour vastly reducing the maintenance that would otherwise be required to keep the cell free of algae and other debris The cell inlet outlet ports are designed with proper sample inlet outlet angles across the sapphire windows non scratching thereby creating high velocity and turbulence bo...

Page 107: ...mple cell conditions deposits on sample cell windows etc source and detector changes and electronics drift with temperature change forexample Periodic compensation for zero drift is accomplished by electronically nulling the zero offset with an equal but opposite signal while zero fluid is flowing through the system Thus a zero point is obtained and subsequent sample measurements will produce a si...

Page 108: ...tment fixed the Fine adjustments tries to bring the output of the ampli fier back to zero When the high gain offset is close to zero the micro con troller freezes the Fine and the Coarse adjustments and proceeds to read the residual offset with the ADC It goes through all of the ten gains available thus the micro controller stores the offset of each gain so that later they can be subtracted from t...

Page 109: ...t temperature is not permitted to drop below 32o C or rise above 122o F 50o C for salt water applications the freezing point is lower due to the salt content Cubicle installed systems Models 6600 subject to the preceding conditions may be installed outdoors Rack supported systems must be completelyshelteredfromtheelements Note Ambient temperatures below 0o C requires heated enclosures Rack support...

Page 110: ...when measured to the power line neutral 4 1 2 Compressed Air Supply The system requires a supply of compressed air at 80 120 psig NOTE The air supply must be oil free As a precaution however the air pressure line should contain a filter s to remove any traces of oil supplied and maintained by the customer 4 1 3 Sample Connection The sample water input see Flow Diagram is connected at the manual va...

Page 111: ...cient pressure to lift the sample to the top of the system equipment panel Do not complicate the delivery system by adding a pump unless it is absolutely necessary A low pressure system will be prone to sample line depositing but this can be alleviated by scheduled flushing with the high pressure utility water If a pump is required TET AI recommends a total submersion centrifu gal type Sub merging...

Page 112: ...tions deals primarily with the steps necessary before the total system can be used for continuously monitoringoilinwater Thisinformationinvolvesinstallationchecks electrical checks fluid dynamics and calibration Duetovariationsinwaterandoilsasencounteredunderfieldconditions certain adjustmentsmustbemadetooptimizesystemperformanceforthespecificsite Thisincludescalibration 5 1 Installation Check 1 O...

Page 113: ... Sample Delivery Check 1 Adjust the input V1 and V6 3 way with V2 safely block valve off so that incoming water is diverted to safety vent Assure no leaks occur 2 Open V2 safety valve and assure utility water flows out vent Caution against any high pressure releases 3 Request associate to turn on the external user installed sample pump when applicable Flush the lines until the water is consistent ...

Page 114: ...f the sample pump 5 5 1 Required Calibration Equipment Thefollowinglaboratoryaccessorieswillberequiredtoproperlycalibrate theanalyzer 1 Blender AWaringModel1120 orsuitableequivalent laboratorytype blender will be required to prepare the span calibration fluid CAUTION Do not attempt to use the system homogenizer assembly to prepare the span fluid Correct control of the precise volumes required for ...

Page 115: ...ll be required to collect prepare and handle the sample water during the preparationofthestandardizationfluids 6 Beakers At least two 2 one liter beakers will be required while preparingthezerostandardizationfluid 7 Sample Bottles A number of one 1 gallon bottles will be required to collectthesampleforzerofluidpreparationorcorroborativelabanaly sis The bottles should always be thoroughly cleaned b...

Page 116: ...e to TP2 The oscilloscope displays the measur ing and reference pulses in an alternating pattern The display is created by the light passing through the reference and measuring filters as they are brought in and out of the light beam by the rotating filter wheel These light pulses are converted to electronic energy which is amplified and brought to TP2 The base line represents the blocking of the ...

Page 117: ...alancing the Optics for Equal Light Trans mission with Zero Fluid in the Sample Cell The objective of this procedure is to obtain measuring and reference peak heights as displayed on the oscilloscope which are approximately equal with the tallest of the peaks set at 7 to 8 volts This must be done with filtered sample water zero water in the cell which contains background components The procedure i...

Page 118: ...ethefilterwheelandadd a screen of lesser density behind the reference filter Repeat the procedure until the peaks are within 2 volts of each other b If the measuring peak is equal to or within 2 volts of the reference peak the system is optically balanced and ready for calibration c If the peak is still too short repeat the procedure but this time put a screen behind the measuring filter to shorte...

Page 119: ...r applications obtain an oil free sample Zero of the steam condensate fluid other wise use demineralized water 5 6 2 Span Fluid Preparation 1 Pour 500 milliliters of Zero water into the blender s container Ob tained from collecting sample out the grab sample port above in section 5 6 1 2 Calculate the number of microliters of oil that will be required to produce a span fluid of full scale concentr...

Page 120: ...nder up to max imum speed and homogenize the contents for exactly 2 minutes 8 EMPTY THE CONTENTS OF THE BLENDER WHICH IS NOW STABILIZED FOR ACCURATE PREPARATION OF SPAN FLUID REPEAT THE ENTIRE PROCEDURE THIS TIME PREPARED FROM THE COORSE FILTERED AND FINE FILTERED SAMPLE WATER SET ASIDE AT 5 6 1 4 5 6 3 Calibration For the most accurate results calibration of the analyzer must be done as soon as t...

Page 121: ...pan Flag Calibration Reintroduce zero fluid through and fill sample cell and stabilize display again As soon as the sample cell is filled with zero fluid and the meter reading stabilizes at zero again manually introduce and adjust the span flagreading according to the procedure outlines in section of the 6600 Control Unit The exact ppm value of the span filter Flag must be manu ally introduced fir...

Page 122: ...y Correlation with Laboratory Analysis Because of the nature of the analysis and the unique manner in which it isaccomplished laboratoryconfirmationisrecommended particularlywhere initial calibration was accomplished with oil not actually recovered from the samplewater The laboratory analytical method employed must be capable of detect ing both dissolved and undissolved oil fractions in the sample...

Page 123: ...ages If the system is operating properly but the analyzer is off calibration the system and laboratory graphs should be trending in the same directions but the average of the system graph will be consistently higher or lower than the average laboratory results If the analytical results are consistently high or low a corrected span setting can be derived mathematically Note the average system and l...

Page 124: ...hthenormalcalibrationfluidtrain tothesafeatmosphericventcollectionandrecordtheppmoilreading 5 Withinashorttimeperiodofafewminutesassumingtheprocessoil concentrationhasnotchanged adjusthomogenizerasfollowstothe samesteadystateprocesssamplereadingasobtainedforthecalibration readingoftheblendedsample Thismustbedoneattheprescribed factorysampleflowratesetting Refertotheultrasonichomogenizersampleflowr...

Page 125: ...thasbeenfieldcalibratedusingthecalkitblender etc p nA48715 as outlinedinthismanual Thiscollectedsampleofprocesswaterisagainblended fortwominutesthesameasthecalibrationsamplesandenteredinto throughthe calibrationreservoirthroughthesamplecell Thereadingisnoted recordedand thereafter thehomogenizerpowerlevelonthesameprocessfluid withinashort timeperiodfromasteadystatesamplecomingin istunedtothesamere...

Page 126: ...m the timer setup or wish to change the set up check the AUTO CAL function in the System menu of the control unit Refer to chapter 3 of the control unit part of this manual 6 0 AUTOMATIC OPERATION AND ROUTINE OPERATIONAL DUTIES Thesystemisdesignedtooperatecontinuouslywithoutadjustment Under normal conditions once the system has been programmed for automatic operation only routine maintenance proce...

Page 127: ...the duration of time that the system will run without attention is directly related to the sample s condition The frequency of attention is affected by the followingconditions 1 Ifthewaterhasbeenbacteriologicallytreated thegrowthofalgaeinthe samplepassagesofthesystemisaprimeconsideration Thiswilldictate maintenance frequency or corrective action 2 Ifundissolvedoilisthepredominantcomponentofthesamp...

Page 128: ...n setting WEEKLY 1 Check condition of zero filter and clean or replace as necessary 2 Examine sample cell for dirt or oil film accumulation Remove and clean as necessary Clean and reassemble in a dry area to avoid condensation MONTHLY or 6 weeks maximum 1 Flush out sample system to remove dirt and oil Use utility water 2 Replace tubing system if obvious deterioration or contamination ob served THR...

Page 129: ...eck solenoid valves 7 0 SERVICE PROCEDURES AND ADJUSTMENTS The system s electronics are factory aligned However when the need arises to touch up the circuitry the following procedure is suggested 1 Oscilloscope dual trace preferred but not required Toobserveoscilloscopetestpoints seeDetectorModuleAssemblyDwg switch the vertical input selector of the scope to DC 2 DVM DigitalVoltmeter The PC Board ...

Page 130: ...oard 1 inside the detector module and on E P Analyzers The output of the I to E Converter can be observed by connecting the groundleadofthescopetoTS11 5andthescopeprobetoTS2 1forexplosion proof systems and TS5 1 and TS5 2 for general purpose systems The oscilloscope displays the measuring and reference pulses in an alternatingpattern The display is created by the light passing through the referenc...

Page 131: ...ust the offset adjustment trimpot R3 on the I to E Converter However adjust no more than required to just obtain a flat positive pulse Over adjusting can result in losing part of the amplifier scapabilitytooperateintheseconddecadeofitslogarithmicoperating range and will affect the accuracy of analysis for high concentrations of the component of interest where the measuring pulse can become very sh...

Page 132: ...wn or rotating it in its holder Themagneticmercuryreedswitchisactivatedbytheactionofabarmagnet and a rotating chopper disc Analuminummotormountingblockhousesabarmagnet Thisbarmagnet is positioned in parallel with the mercury chopper switch The chopper disc is the green and black disc mounted on the filter wheel shaftnexttothemotor Thedisciscomposedofbothmagneticandnonmagnetic materials As the shaf...

Page 133: ...producing chemicals which produce an unacceptable zero reading for this narrow range Thepolypropylenefilter s elementmustbecleanedandrinsedofcontaminats before use Wash thoroughly in dtergent hot eater then rinse capiously with verycleandimeneralizedortapwaterseveratimesbeforere assemblyanduse Several manual auto zero s may be required before a stable reproducible zero is obtained The only correct...

Page 134: ...mmersetheelementinaboilingbathof15 reagentgradecausticsoda solution for30 minutes DO NOT FLOW THROUGH THE ELEMENT AS CAUSTIC PARTICLES COULD BE REMOVED BY THE CLEAN ING AND FORCED INTO THE FILTER MEDIUM THUS CLOGGING THE ELEMENT CAUTION Wear protective goggles and gloves when dealing with chemicals such as caustics or acids 3 Neutralizetheboiledfilterbyimmersingitina160Fbathof10 Nitric acid for a ...

Page 135: ...rse 5 Check the oscilloscope test points as described under Section 5 5 4 NOTE Observe eye protection warning as described under Section 3 1 1 final text 7 11 Phototube Replacement Thephototubehasaverylonglifeandisonlyinneedforreplacementwhen aleakhasdevelopedinitsquartzenvelope thebaseoraroundtheconnectoron topof thetube whichisalmostalwayscausedbyroughhandlingormechanical shock 1 Turn power off ...

Page 136: ...nsduringstart up afterinstallationofnewtubingorwhen thesystemisleftdryforalongperiodoftimeparticularlyingravityfedsystems Thecausemaybeairtrappedinthetubing Thesmalldrivingforceusedtomake the water flow is not able to overcome the resistance offered by an air bubble trapped inside a dry tube Remedy Force the affected tube to become wet by opening up the connector on its down stream side and point ...

Page 137: ... Turn off the pump The flow must come immediately to a stop A slight drip of water is permissible but not more than approximately 1 droplet per 5 seconds 4 Ifthedriprateisunacceptable checkforleaksorfaultyconnec tions Take extra care in installing it 8 3 Zero Drift Problems 1 When the recorder shows a persistent drift in one direction during the samplecycle thedriftcouldbecausedbyanexceptionallong...

Page 138: ...require flushing with utility water and or disassembly of components for mainte nance or cleaning Sampling time delays must fit the process con trolrequirements A Site requirements 1 Protection from the elements We recommend the customer provide protection on the Enclosure especially on an offshore platform concerning the following i e direct sunlight wind sheltering with suitable mechanical floor...

Page 139: ...ithin 10 of recommended nominal line voltages and current 5 Recommend spacing be made available for maintenance and access thereof i e cabinet door openings etc 6 Sample tap requirements a Heat tracing to prevent freezing of water s or salt laden produced or rig wash sample fluids b Proper gravity fed lines as indicated above c Drain openings or returns for the system thatwon tplug d Sampling prob...

Page 140: ...y water usuallyoperatedmanually 3 Instrument power into control unit requires external circuit breaker operation for all autozero valves in sample system controlled by the Instrumentcontrolunit Note The cell purge solenoids may be used in a particular application instead of zero prepared water b Signal and Alarm connections 1 Please refer to the Reference drawings below for connections and test po...

Page 141: ...ion 2 2 Reference drawings a Outlinedrawing see addendum drawings physical locations and sizes of electrical and sample connections b Interconnect drawing see addendum drawings indicates where electrical connections go 3 Sample Connections a The customer connection to the oil in water analysis system should enter in a downward position enabling a constant available gravity fed non freezing sample ...

Page 142: ...n the event of failure of PR1 d Check and familiarize oneself of the analyzer and sample system components and to assure the entire piping flow agrees with the Piping Drawing see addendum drawings 1 Sample connections Refer to Piping diagram see addendum drawings a inlet sample enters the pump b returns sample flows through Cell then exits the system to a common return c drain Assure the common dr...

Page 143: ...for proper installation recommendations B Start up of System On the pump control module if applicable assure the control switch is in the off position 1 Checkthat a the sample pump switch is off b Sample utility valve is in the utility position 2 Apply instrument power after assurance that all electrical interconnections are correct Refer to section 2 3 of the manual Testing the System 3 Prelimina...

Page 144: ...w several minutes for the sample to flush through the entire measuring train of the system to drain or safe vent 8 Allowwarm upfor1hour TheUVlampinparticularrequiresthemosttimetostabilizefromacold start Iftheunithasbeenturnedoftemporarilyforonlyafewminutes warm up canusuallybereducedbutobservationoftheoutputcurrentorvoltageshould becheckedforstabilityofatleast 1 fullscalerange Duringtheinitial pow...

Page 145: ...E Dissolved oil measuring is an option that the customer may so choose depending upon the need to measure total oil or only the non dissolved oil fraction d Automatic cell cleaning system is built in into the sample cell design and the N2 blowback when specific to certain applications D Calibration 1 Review Section 5 0 thru 5 4 then proceed at 5 5 of the manual 2 Check to assure that the blender i...

Page 146: ...ilure from the instruments signal failure alarm The relay contacts provided that are switched by the circuit must be connected to the customers indicating device DCS system In addition an alarm condition is indicated when the cell windows are extremely dirty or an electronics failure has occurred in the detector converter log amplifier or inverter circuit When the alarm circuit is powered independ...

Page 147: ...Part III 1 57 Oil in Water Part III Teledyne Analytical Instruments ...

Page 148: ...mpanied by 5 digit LED display SignalOutput Two 0 1V DC concentration and range ID Two 4 20mADC isolated concentration and range ID RS232 Alarm Two fully programmable concentration alarm set points and corresponding Form C 3 amp contacts One system failure alarm contact to detect power calibration zero span and sensorfailure Mounting General Purpose NEMA enclosure with optional Z or X Purge for Di...

Page 149: ...SampleCell Aluminum CPVC for Oil in Water with Sapphire Quartz windows standard Kynar Kalrezoptional Cell Length 1 8 to 3 5 application dependent Flow Rate 100 ccm to 2 lpm application dependent Light Source Mercury Hg Sensitivity 08 to 1 0 absorbance units Reproducibility 1 of scale or better FilterWavelength 210 to 1000 millimicrons application depen dant oil in water 254 365mm SamplePressure 15...

Page 150: ...ton O Ring 1 A 16776 Accessory Kit 2 F1295 Fuse 4A slo blo 2 F9 Fuse 1 amp 2 F68 Fuse 3 amp 1 K101 Repair Kit 1 A48715 Cal Kit 1 S1202 Syringew tip Optional For when customer has a Filtering autozeroing system For high background applications an autozero fitler system is needed to cancel out non oil background organics etc 1 F1484 Element filter of 3 micron polypropylene 2 F1483 Element filter of ...

Page 151: ...ai com or your local representative A 3 Drawing List See manual addendum D OutlineDiagram System B PipingDiagram D WiringDiagram C InterconnectionDiagram A InterconnectionDiagram A Schematic Span Filter Generic Drawing List B 36470 Schematic Detector Module Phototube B 37533 Schematic Detector Converter PCB Phototube C 36468 Wiring Diagram Detector Module Phototube C 65371 Wiring Diagram Backpanel...

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