Manuale d’uso / di manutenzione del prodotto 6750 del fabbricante Teledyne
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Teledyne Analytical Instruments OPER A TIN G INSTRUCTIONS FOR Model 6750 T o t al Organic Carbon Analyzer DANGER To xic g ase s and o r fl ammabl e li quids ma y b e pr es en t i n t h i s mon ito ri ng syst e m. Personal protective e q uipment may be required when servicing this instrument.
Model 6750 Teledyne Analytical Instruments ii Copyright © 2005 Teledyne Instruments/ Analytical Instruments All Right s Reserved . No par t of this m anual may be r epro duced, tra nsmitted, transcri.
Total O r ganic Car bon A nalyzer Teledyne Analytical Instruments iii Speci fic Model Info rma tion Instrument S erial Nu mber: _______________________ Instrument Ra ng e: _______________ Calibrated f.
Model 6750 Teledyne Analytical Instruments iv Safety M e ssages Your safety and the saf ety of others is very important. We have provided ma ny important safety messages in this manual. Please read these me ss ages carefully. A safety message alerts you to potential hazards that could hurt you or others.
Total O r ganic Car bon A nalyzer Teledyne Analytical Instruments v IF YOU USE THE ANALYZER IN A MANNER OTHER THAN THAT FOR WHICH IT WAS INTENDED, UNPREDICTABLE B EHAVIOR COULD RESULT POSSIBLY ACCOMPANIED WITH HAZARDOUS CONSEQUENCES .
Model 6750 Teledyne Analytical Instruments vi T ab le of Contents List of Fig ure s .............................................................................. ix List of Ta bles .....................................................................
Total O r ganic Car bon A nalyzer Teledyne Analytical Instruments vii 3.3 Electrical Connections 23 3.3.1 Power Connection 23 3.3.2 Analog Outputs 24 3.3.3 Alarm Connections 25 3.3.4 RS-232 Serial Connection 25 3.4 Gas/liquid Conne ctions 25 3.4.1 Liquid Connection s 25 3.
Model 6750 Teledyne Analytical Instruments viii 5.3.8 UV Power Suppl y 58 5.3.9 Mass Flow Controller (P/N ST18001 A) 59 5.3.10 Metering Val ve (P/ N ST16 050) 60 5.3.11 Sparger (P/N ST20025) 61 5.3.12 Pumps 63 5.3.12.1 Pump Mo tor Replacem e nt 63 5.3.
Total O r ganic Car bon A nalyzer Teledyne Analytical Instruments ix List of Figures Figure 1-1 : The Model 6750 TOC Ana lyzer (Front door remo ved) . 3 Fig ure 2-1 : NP OC o r TOC – Di re ct Metho d .................................... 6 Fig ure 2-2 : TOC – Tru e Me tho d .
Model 6750 Teledyne Analytical Instruments x Fig ure 5-6 : DC Powe r Sup pl y Modu le........................................... 5 4 Fig ure 5-7 : Rep laci ng CE Co mpute r ............................................. 55 Fig ure 5-8 : UV Lamp Repl acem en t .
Total O r ganic Car bon A nalyzer Teledyne Analytical Instruments xi List of T ables Tab le 4-1 : Prep ara tion o f Sta nda rds (TOC/TIC ) ............................37 Tab le 5-1 : Troub le shoo ting .................................................
Model 6750 Teledyne Analytical Instruments xii DANGER COMBUSTIBLE GAS USA G E WARNI NG This i s a genera l purpo se instrument designed for use in a non-h a zardous area. It is the custome r's responsibili ty to ensure safety especially when combustib le gases are being analyzed since the potential of g as lea ks always exist.
Total O r ganic Car bon A nalyzer Introdu c tion Teledyne Analytical Instruments 1 Introduction Tele dyn e Model 6750 Total Organic Carb on Analyzer provi d es accurate and reliable on-line TOC analysis with Windows™ CE Operation, using t h e UV/Heated Persulfate Oxidation Method.
Introdu c tion Mo del 675 0 Teledyne Analytical Instruments 2 • RS-232C and RS-485 outputs • Separate electronics and liquid compartments 1.2 Options The foll owing op tions are available for the Model 6750 TOC Analyzer a nd are described in Appendix A .
Total O r ganic Car bon A nalyzer Introdu c tion Teledyne Analytical Instruments 3 All other t yp es of usage beyond the intended use stated above, are considered a s m isuse of the analyzer. The supplier assumes no responsibilit y for d amage incurred as the r esult of mi s use of the product.
Introdu c tion Mo del 675 0 Teledyne Analytical Instruments 4.
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 5 Theory of Ope ration 2.1 Over view The Model 6750 Anal y zer uses the UV/Heated Persulfate method of analysis and i s w ell-suited for many ap plications involving accurate TOC analysis.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 6 To perform c orr ect TOC analysis, the analys is system must be capable of measuring all constituents of organic carbon pre s ent in the sample: N on-Purgeable Organic Carbon (NP OC) and Purgeable Organic Carbon (POC).
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 7 (sparges) the CO 2 converted from the TIC and it i s m easured by an independe n t CO 2 detector as “TIC”.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 8 Figure: 2-3: TOC Measurement Basics Figure 2-4: UV/Persulfate M ethod.
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 9 2.3 The UV/Heated Persulfate Method of Ana lysis In the UV/Heate d Pe rsulfate Method as us ed by the Model 6750, the sample is initially mixed wit h acid and directed to t h e sparger.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 10 Figure 2-5: Comparison of TOC Measurement Technologies.
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 11 2.4 Subsystems Principl es of Operation The Model 6750 T OC A nalyzer is comprised of five subsystems: 1. Sample Handling 2. Inorganic Ca rbon R emoval – OR – Inorganic Ca rbon An a lysis/TOC-True Me thod 3.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 12 actual measurement of the TIC, a more accurate TOC is achieved since (TOC = TC - TIC).
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 13 Figure 2-7: Sample Handli ng TO C-True 2.4.2.2 G AS P HASE S AMPL E H ANDLING Referencing Figure 3-5 and “As Built” drawings in the Appendix, a carrie r g as of (99.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 14 TOC analysis in a continuous, on-line TOC analyze r. The CO 2 generated by the oxidation of carbon in the react o r is read by the NDIR as a percentage concentration of the CO 2 in the carrier gas.
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 15 be reduce d to approximately 2.0 to 3.0. If the sample pH is not properl y reduced a s d e scribed in Figure 2-8, increas e the norm a lcy of the acid reagent un til the water exiting the sparger drain is between 2.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 16 The construction of t h e patented UV reactor in the Model 6750 affords superior oxidation by precisely controlling the sample tempe r ature, adding a precise amount of u ltra-pure p ersulfate reagent (P/N ST40000) and precisel y controlling the carrier gas flow rate.
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 17 2.4.4 NDIR CO 2 Gas Detection The key c o mponent for reliable TOC anal ysis is the preci s e and interfe r ence-free detection of CO 2 .
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 18 requires no wall r eflectivity and is completely resistant to corrosive gases. The NDIR unit requi r es no optical chopper motor or .
Total O r ganic Car bon A nalyzer Theory of Operation Teledyne Analytical Instruments 19 2.4.5.1 B ENCHMARK /A UTO -V ALIDATION Benchma rk is the European NAMUR* s pecified validation techni qu e, whe.
Theory of Operation Mo del 675 0 Teledyne Analytical Instruments 20.
Total O r ganic Car bon A nalyzer Installation Teledyne Analytical Instruments 21 Installation This manual contains “AS BUILT” drawings and a parts list to aid in the i ns tallation and operation of the ana lyzer. T h ese drawings should be referred to when orde r ing spare parts, operating or servicing the equipme n t.
Installation Model 6750 Teledyne Analytical Instruments 22 Figure 3-1: Analyzer Dimensions Figure 3-2: Re qu ired Door Clearance.
Total O r ganic Car bon A nalyzer Installation Teledyne Analytical Instruments 23 All operat or controls and serviceable components are mounted on the cont ro l panel, which is hinged and doubles as the door that provides acce ss to those components not normally requiring maintenance.
Installation Model 6750 Teledyne Analytical Instruments 24 • Power Connection Universal AC Power Source • Primary Input Power CAUT I ON: POWER IS APPLIED TO THE INSTRUMENT’S CIRCUITRY AS LONG AS THE INSTRUMENT IS CONNECTED TO THE FAC ILI T Y POWER SOURCE.
Total O r ganic Car bon A nalyzer Installation Teledyne Analytical Instruments 25 3.3.3 Alarm Connections The Model 6750 i s equipped with two concentration alarms and one anal y zer malfunction alarm. The three alarm-circuit connectors use spring termi n als for making connections t o internal alarm relay connect s.
Installation Model 6750 Teledyne Analytical Instruments 26 • Reagent s • Drain (s) Connect t h ese lines as per Figure 3-4 and the AS -BUILT drawings in the Appendi x. M ake sure there are no r estrictions or kinks in the sample lines. Figure 3-5: Gas and Liquid Connections to the Analyzer 3.
Total O r ganic Car bon A nalyzer Installation Teledyne Analytical Instruments 27 Wi th th e e x c ep ti o n of the v ent and carr ier g as in le t, a ll o th er ga s co n ne ct ion s ar e mad e o n th e s am e b otto m p anel as th e l iq u id co nn ec t ion s an d a re s ho wn in F ig u re 3- 5.
Installation Model 6750 Teledyne Analytical Instruments 28.
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 29 Setup and Operation Once the a n alyzer has been installed, it ca n be configure d to your applicati on. To do this you will: • Set system parameters • Calibrate t h e instrument • Define the analysis range.
Setup and Operation Model 6750 Teledyne Analytical Instruments 30 Figure4-1: Drain Connections 5. On initial start –up or after UV Reactor or Glass Liquid Separator (GLS) servicing, fill the U-Tube with D. I. water as indicated in Figure 4-2. 6. After all of the above checks, turn analyze r ON by acti v ating the facility power switch.
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 31 Figure 4-2: Gas Liquid Separator D. I. Filling After reagents and DI have f illed all tubing lines, it is recommended t o p roceed with IR Calibrat ion followed by cal (liquid cali br ation) of the system.
Setup and Operation Model 6750 Teledyne Analytical Instruments 32 • The curre n t TOC value, • [IR] IR response • [Flow] Carrier Gas Flow rate • [m] Availa b le Memory (kb).
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 33 2. From this menu, select:[Parameters] The foll owing s creen appears: This is the Parameters menu from which t.
Setup and Operation Model 6750 Teledyne Analytical Instruments 34 From this menu ve r ify or change the concentration alarm setpoints using the onscree n scro ll arrows. 4.2.4 Stream Sequencer If your analyzer has been confi gur ed for a multi-stream sequencer (P/N ST200009), from the [Edit] Menu, select [Sequencer].
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 35 4.2.5 D/DBPR This optional utility allows conve n ient ex ternal pH c alibration and input of al k alinity data.
Setup and Operation Model 6750 Teledyne Analytical Instruments 36 The foll owing window is illustrative of th e D/DBPR [Run] screen. 4.3 Detail ed Calibration Procedures 1.
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 37 Table 4-1: Preparation of S tandards (T OC/TIC) ORGANIC COMPOUNDS 100 mg/Liter TOC (AS CARBON) 1000 mg/Liter TOC (AS CARBON) Ethylene Glycol .233 ml/L H 2 0 2.33 ml/L H 2 0 Methanol .
Setup and Operation Model 6750 Teledyne Analytical Instruments 38 CAUT I ON: SODIUM PERSULFATE IS A STRONG OXIDIZING AGENT . TAKE ALL NECESSARY PRECAUTIONS AS WITH HANDLING ANY C ORROSIVE MATERIAL. ALL CHEMICALS, INCLU DIN G WATER, SHOULD BE REAGENT GRADE OR B ETTER AND FREE OF CARBON-CONTAINING COMPOUNDS.
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 39 Note: On the initial Startup, IR gas calib ration should be performed prior to liquid calibration a. Selec t [CALIBRAT E] from the main menu. The following scree n wi ll appear: b.
Setup and Operation Model 6750 Teledyne Analytical Instruments 40 f. If the calibration i s a cceptable, select [OK ] or [CANCEL] if not acceptable. The analyzer is now calibrated and ready for ana lysis. 4.4 Operation After proper installation and calibration, the instrume n t is ready to be placed “ON-LINE” for conti nuous operation.
Total O r ganic Car bon A nalyzer Setup and Operation Teledyne Analytical Instruments 41 4.5 Shutdown Prior to shutdown of the analyze r o r performing service on the react or, f lush D. I. water through all sample and reagent lines for at least 30 minute s to clean all tubing.
Setup and Operation Model 6750 Teledyne Analytical Instruments 42 To view the d ata produced in the last 24 hours , select [LAS T 24 HOURS ]. The foll owing screen will appear: Using the Scroll Ba r, s elect the data to be viewed. Selecting [HISTORICAL DATA] allows you to view any archived data wit h in the memory limits of the computer.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 43 Maintenance 5.1 Compupter-aided T es ting Prior to performi ng d etailed troubleshooting procedures listed below, first perform computer-aided testing of the analyzer, as follows: 1.
Maintenance Model 6750 Teledyne Analytical Instruments 44 From this screen t h e operator may perform individual testing of c o mponents related to functionality and settings. 5.2 T roub l eshooting If you are experiencing trouble with your instrument, refer to Table 5-1: Trouble shoot ing.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 45 5.3 Module Service 5.3.1 NDIR (Gas Calibration) 1. From the Menu, select [CALIBRATE]. The foll owing s creen will appear: 2. Select [INF RARED ANA LYZER]. The following Screen will appear: 3.
Maintenance Model 6750 Teledyne Analytical Instruments 46 Figure 5-1: Disconnecting Tubing f rom Reactor Figure 5-2: IR Calibration A dap ter P/N ST20026 IR Calib ration Adapter.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 47 Figure 5-3: Installing Cali br ation Adapte r 5. To set IR “Zero”, fl ow 200 c c/minute oxy gen (or CO 2 - free ai r) for 5 minutes. Allow NDIR reading to stabilize. Select [ ZERO].
Maintenance Model 6750 Teledyne Analytical Instruments 48 Figure 5-4: Re mov ing the NDIR Unit P/N ST36000 To Replace t h e NDIR Unit: 1. Turn off power. 2. Remove i n let tube from NDIR Assembly. 3. Remove ve n t tube from NDIR As sembly. 4. Unplug interface cable from NDIR Assembly.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 49 • Remove insula t ion from IR Cell. • Remove lock-tight from three thumbnuts and remove .
Maintenance Model 6750 Teledyne Analytical Instruments 50 • Remove IR Ce ll Assembly Note: a. ‘O’-Rings in each of Detector Assemb l y (l eft) and Sou r ce Assemb l y (r ight).
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 51 • *Remove ‘O’-Ring and Sapph ire window taking care t o avoid scratching S apphire window. *Recommend usin g toothpick. • Clean s apphire windows with a soft, lintless tissue (use DI water, if necessa r y ).
Maintenance Model 6750 Teledyne Analytical Instruments 52 • Tighten three thumbnuts un ti l Source Assembly bottoms out on squeeze nuts. • Recommend : Use a lt ernate tightening sequence • Insert lock -t ight on three thumbnuts to prevent backoff.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 53 5.3.3 Master Interface Board (P/N ST130 42-1). The Master Interface Board h as no field a djustment . If malfunctioni ng, r eplace the module P/N ST13042-1 using the instructi ons below.
Maintenance Model 6750 Teledyne Analytical Instruments 54 5.3.4 D. C. Power Supply The power supply has no field adj ust ment. If malfunctioning, replace the module (P/N ST15083) using the directions below. See Figure 5-6. Figure 5-6: DC Power Supply Modu le To replace the module: 1.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 55 5.3.5 CE Computer (P/N 13039) If malfunctioni ng, r eplace the Computer M odule using the directions below. See Figure 5 -7. Figure 5-7: Re p lacing CE Computer To Replace t h e CE Computer: 1.
Maintenance Model 6750 Teledyne Analytical Instruments 56 5.3.6 UV Lamp (P/N ST20009) Normal lamp replacement frequency is suggested a t least every 12 months, however, if a lamp is “burned-out” (weak or no blue glow), replace with UV Lamp (P/N ST20009), per directions in Figure 8.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 57 CAUT I ON: THE UV LIGHTED LENGTH MUST BE AT LEAST 12 ½ INCHES FOR PROPER OPERATION. DO NOT USE STANDARD 1 2 INCH LIGHTED LENGTH UV LAMPS. 2. Turn off power all ow 10 m inutes for cool dow n.
Maintenance Model 6750 Teledyne Analytical Instruments 58 well as the sa mple inlet line and submerse all three (3) lines int o D . I. water to completely flush system. CAUT I ON: FAILURE TO DO SO M AY RESULT IN ACID BURNS, CLOGGED REACTOR, ETC. FLUSH FOR 30 MINUTES .
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 59 Figure 5-10: Re mov ing the UV Power Supply 5.3.9 Mass Flow Controller (P/N ST1800 1A) If proper flow is not detected by the computer, a n a larm will be acti v ated and displayed.
Maintenance Model 6750 Teledyne Analytical Instruments 60 Figure 5-11: Mass Flow Controller 5.3.10 Metering Valve (P/N ST16050) If no O 2 /air flow to t h e sparger (P/N ST20025) is obs erved (no bubbles), chec k for tubing and fitting leaks , restrict ions and adjust mete r ing valve (be careful to return to previous indicated bubble rate).
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 61 Figure 5-12: Metering Valve 5.3.11 Sparger (P/N ST20025) The sparger may be removed for cleaning with dete rg ent and subsequent flushing with DI wate r. If the sparger inner glass body is observed to be leaking (cracked glass, etc.
Maintenance Model 6750 Teledyne Analytical Instruments 62 1. Turn mac h ine OFF. 2. Turn carrier gas (Air/O 2 ) OFF. 3. Remove a nd dr ain tubing and sparger. 4. Remove sparge r fro m spring clips. To clean the sp a rger: 1. Run warm water t hrough tubing to flush out any solid contamination.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 63 5.3.12 Pumps If any of the pum ps ar e not pumping (liquid flow is not observed moving up the tubing), check to see if the motor is turning the pump heads and the motor is not binding.
Maintenance Model 6750 Teledyne Analytical Instruments 64 3. Remove p ump as illustrated to gain access to pump mounting screws. 4. Remove t wo thumbscrews for pump p anel removal.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 65 6. Remove 4 p ump mounting screws for pump remova l. 7. Rep la ce motor and reassemble in reverse step s equence. Figure 5-14: Re mov ing the Pump Note: Actual mounting panel may appear somewha t different but mounting hardware is the same.
Maintenance Model 6750 Teledyne Analytical Instruments 66 3. Place tu bing in the right groove and against the first two rollers. 4. Hold tub in g with thumb. 5. Nea r groove, insert smaller prong of loading key be tw een the top of the rotor and t ubi ng.
Total O r ganic Car bon A nalyzer Maintenance Teledyne Analytical Instruments 67 11. Pos ition th e other end bell on top and press the end bells together. 12. Be c aref ul not to pinch the tubing. 13. If end be ll s do not snap tightly together, reload tub i n g.
Maintenance Model 6750 Teledyne Analytical Instruments 68 5.3.13.1 S ET TING 100 M V C ONT ROL V OLTAGE 1. Using a DC voltmeter, connected to measure DC voltage, connect the black lead to the (-) side of capacitor C1. Located near the lower left corne r of the circuit board.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 69 Appendix A.1Specifications Measurement Me thods: TC (Total Carbon) – UV/Persulfate Oxidation T OC (Total Organic Carbon) acidification and sparging to eliminate inorganic carbon interfe r ence.
Appendix Model 6750 Teledyne Analytical Instruments 70 Sample requireme nts : Inlet Pressure: Atm ospheric to 3 psig Flow Rate: 20c c/min. (nom) Drai n: Gravi ty drain vented to atmosphere Suspended Solids: 1,000 microns (ma x.) Re agents (TOC Mode): Sodium Persulfat e : 4.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 71 A.2 Parts Listing Part # Description Image ST16002 ST16003 ST16004 ST16004 ST16005 ST16006 #7013 Pump Head #7014 Pump Head.
Appendix Model 6750 Teledyne Analytical Instruments 72 Part # Description Image ST15083 12V DC Powe r Supply ST13069-1 Distribution Boa r d ST13070-1 Interface Board ST13039 CE Computer ST100001-6 6.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 73 Part # Description Image ST100006-1 NDIR Detector Assemb l y ST100009-6 6” NDIR Cell Assemb l y ST100009-15 15” NDIR C.
Appendix Model 6750 Teledyne Analytical Instruments 74 Part # Description Image ST16050 Metering Va l ue ST200026 IR Calibration Adapter ST20009 UV Process Lamp ST13066-1 AC Boa r d Assembly.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 75 Part # Description Image ST200003-1 UV Reactor Assembly ST15000- 110V ST15002- 220V UV Power Supply ST18050 Flow Switch ST.
Appendix Model 6750 Teledyne Analytical Instruments 76 A.3 Opti ons A.3.1 Option 200008 BENCH MARK (with sin gle point autocal) This option a u tomatically determines analyzer performance to specifie d limits.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 77 A.3.4 Option 200016 EXTERNAL RANGE CHANGE This option provi d es for local or remote a nalyze r r ange change by contact cl osur e . A.3.5 Option 200017 TRUE DUAL RAN GE OPT ION (not an electronic scaling) A.
Appendix Model 6750 Teledyne Analytical Instruments 78 Since COD & BOD analysis may va ry wi th s easonal infl u ences or other particular conditions, correlations for those conditions would be used at those time s . After obtai n ing a representative amount of TOC/COD/BOD data, the operator enters those factors into the analyz er computer.
Total O r ganic Car bon A nalyzer Appendix Teledyne Analytical Instruments 79 A.4 AS-BU IL T Dra w ings.
Appendix Model 6750 Teledyne Analytical Instruments 80.
Total O r ganic Car bon A nalyzer Index Teledyne Analytical Instruments 81 Index accuracy, 12, 39 acid, 6, 9, 11, 14, 19 ACID IN por t , 30 acid preparation, 38 air, 70 air gap, 29 air purifier, 13 ai.
Index Model 67 50 Teledyne Analytical Instruments 82 enclosure, 3 end bell, 65 end-to-end method, 36 EPA, 9 exhaust connection, 27 external pH calibration, 35 fail-safe, 18 features, 1, 17 figures listing, ix flow rate, 13, 29, 70 Form C conta ct, 25 fuse, 44 gain.
Total O r ganic Car bon A nalyzer Index Teledyne Analytical Instruments 83 parameters menu, 32 parts listing, 71 persulfate, 15, 16, 19 persulfate line, 30 pH , 6, 11, 14 phosphoric acid, 38 POC, 5, 7.
Index Model 67 50 Teledyne Analytical Instruments 84 UV/Heated Persulfate Oxidation Method, 1, 5 . See valve, 19 view window, 3 VOC, 5, 7 volatile hydrocarbon, 11 volatile organic carbon.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Teledyne 6750 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Teledyne 6750 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Teledyne 6750 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Teledyne 6750 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Teledyne 6750, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Teledyne 6750.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Teledyne 6750. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Teledyne 6750 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
