Manuale d’uso / di manutenzione del prodotto Trace Oxygen Analyzer del fabbricante Teledyne
Vai alla pagina of 78
i Trace Oxygen Analyzer Teledyne Analytical Instruments OPERATING INSTRUCTIONS FOR Model 3000TA-XL-EU Trace Oxygen Analyzer HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM. PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM.
ii Model 3000TA-XL-EU Teledyne Analytical Instruments Copyright © 1999 Teledyne Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, tran- scribed, store.
iii Trace Oxygen Analyzer Teledyne Analytical Instruments Specific Model Information The instrument for which this manual was supplied may incorporate one or more options not supplied in the standard instrument. Commonly available options are listed below, with check boxes.
iv Model 3000TA-XL-EU Teledyne Analytical Instruments Model 3000TA-XL-EU complies with all of the requirements of the Commonwealth of Europe (CE) for Radio Frequency Interfer- ence, Electromagnetic Interference (RFI/EMI), and Low Voltage Directive (LVD).
v Trace Oxygen Analyzer Teledyne Analytical Instruments Table of Contents 1 Introduction 1. 1 Overview ........................................................................ 1-1 1.2 Typical Applications ..............................................
vi Model 3000TA-XL-EU Teledyne Analytical Instruments 4.3.3.2 Installing or Changing the Password ............. 4-8 4.3.4 Logout .................................................................... 4-9 4.3.5 System Self-Diagnostic Test ...............
vii Trace Oxygen Analyzer Teledyne Analytical Instruments Appendix A- 6 Material Safety Data Sheet..................................................A-8 A-7 Installing and Replacing Micro Fuel Cell.
viii Model 3000TA-XL-EU Teledyne Analytical Instruments COMBUSTIBLE GAS USAGE WARNING DANGER This is a general purpose instrument designed for use in a nonhazardous area. It is the customer's responsibility to ensure safety especially when combustible gases are being analyzed since the potential of gas leaks always exist.
1-1 Trace Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments Introduction 1.1 Overview The Teledyne Analytical Instruments Model 3000TA-XL Trace Oxy- gen Analyzer is a versatile microprocessor-based instrument for detecting oxygen at the parts-per-million (ppm) level in a variety of gases.
1-2 1 Introduction Model 3000TA-XL-EU Teledyne Analytical Instruments • Advanced Micro-Fuel Cell, designed for trace analysis, has a 0-1 ppm low range with less than a 0.2 ppm offset and six months warranty and an expected lifetime of one year. • Versatile analysis over a wide range of applications.
1-3 Trace Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments 1 . 5 Front Panel (Operator Interface) The standard 3000TA-XL is housed in a rugged metal case with all controls and displays accessible from the front panel.
1-4 1 Introduction Model 3000TA-XL-EU Teledyne Analytical Instruments • Alarms Set the alarm setpoints and attributes. • Range Set up the 3 user definable ranges for the instrument.
1-5 Trace Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments all the way in with a narrow gauge tool. Accessing the main circuit board requires unfastening rear panel screws and sliding the unit out of the case.
1-6 1 Introduction Model 3000TA-XL-EU Teledyne Analytical Instruments • RS-232 Port Serial digital concentration signal output and control input. • Remote Probe Used in the 3000TA-XL for controlling external solenoid valves only. • Remote Span/Zero Digital inputs allow external control of analyzer calibration.
2-1 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Operational Theory 2. 1 Introduction The analyzer is composed of three subsystems: 1.
2-2 2 Operational Theory Model 3000TA-XL-EU Teledyne Analytical Instruments comes from outside the device as a constituent of the sample gas being analyzed. The Micro-Fuel Cell is therefore a hybrid between a battery and a true fuel cell. (All of the reactants are stored externally in a true fuel cell.
2-3 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments the oxygen sensing element—the cathode—with a surface area almost 4 cm 2 . The cathode has many perforations to ensure sufficient wetting of the upper surface with electrolyte, and it is plated with an inert metal.
2-4 2 Operational Theory Model 3000TA-XL-EU Teledyne Analytical Instruments (These reactions are specific to oxygen as long as no gaseous compo- nents capable of oxidizing lead—such as iodine, bromine, chlorine and fluorine—are present in the sample.
2-5 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Figure 2-3. Characteristic Input/Output Curve for a Micro-Fuel Cell 2 . 3 Sample System The sample system delivers gases to the Micro-Fuel Cell sensor from the analyzer rear panel inlet.
2-6 2 Operational Theory Model 3000TA-XL-EU Teledyne Analytical Instruments Figure 2-4: Piping Layout Figure 2-5 is the flow diagram for the sampling system. In the standard instrument, calibration gases can be connected directly to the Sample In port by teeing to the port with appropriate valves.
2-7 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Figure 2-5: Flow Diagram-Sample Under Pressure -Standard Model Figure 2-5-1: Flow Diagram-Sample at Zero Pressure -Model .
2-8 2 Operational Theory Model 3000TA-XL-EU Teledyne Analytical Instruments 2 . 4 Electronics and Signal Processing The Model 3000TA-XL Trace Oxygen Analyzer uses an 8031 micro- controller with 32 kB of RAM and 128 kB of ROM to control all signal processing, input/output, and display functions for the analyzer.
2-9 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Figure 2-7: Block Diagram of the Model 3000TA-XL Electronics In the presence of oxygen the cell generates a current. A current to voltage amplifier converts this current to a voltage, which is amplified in the second stage amplifier.
2-10 2 Operational Theory Model 3000TA-XL-EU Teledyne Analytical Instruments which is physically located in the cell block. The thermistor is a temperature dependent resistor that changes the gain of the amplifier in proportion to the temperature changes in the block.
Trace Oxygen Analyzer Installation 3 3-1 Teledyne Analytical Instruments Installation Installation of the Model 3000TA-XL Analyzer includes: 1. Unpacking 2. Mounting 3. Gas connections 4. Electrical connections 5. Installing the Micro-Fuel Cell 6. Testing the system.
3 Installation Model 3000TA-XL-EU 3-2 Teledyne Analytical Instruments Figure 3-1: Front Panel of the Model 3000TA-XL All operator controls, except the flow control needle valve, are mounted on the control panel, which is hinged on the left edge and doubles as the door that provides access to the sensor and cell block inside the instrument.
Trace Oxygen Analyzer Installation 3 3-3 Teledyne Analytical Instruments Figure 3-3: Rear Panel of the Model 3000TA-XL 3.3.1 Gas Connections NOTE: D o not remove plastic caps on VCR fittings, unless you are ready to make connections.
3 Installation Model 3000TA-XL-EU 3-4 Teledyne Analytical Instruments EXHAUST OUT: Exhaust connections must be consistent with the hazard level of the constituent gases. Check Local, State, and Federal laws, and ensure that the exhaust stream vents to an appropriately controlled area, if required.
Trace Oxygen Analyzer Installation 3 3-5 Teledyne Analytical Instruments Figure 3-4: Equipment Interface Connector Pin Arrangement Analog Outputs: There are four DC output signal pins—two pins per output.
3 Installation Model 3000TA-XL-EU 3-6 Teledyne Analytical Instruments • Can be configured as failsafe or nonfailsafe. • Can be configured as latching or nonlatching.
Trace Oxygen Analyzer Installation 3 3-7 Teledyne Analytical Instruments Span: Floating input. 5 to 24 V input across the + and – pins puts the analyzer into the Span mode. Either side may be grounded at the source of the signal. 0 to 1 volt across the terminals allows Span mode to terminate when done.
3 Installation Model 3000TA-XL-EU 3-8 Teledyne Analytical Instruments Note: The Remote Valve connections (described below) provides signals to ensure that the zero and span gas valves will be controlled synchronously.
Trace Oxygen Analyzer Installation 3 3-9 Teledyne Analytical Instruments The voltage from these outputs is nominally 0 V for the OFF and 15 V dc for the ON conditions. The maximum combined current that can be pulled from these output lines is 100 mA. (If two lines are ON at the same time, each must be limited to 50 mA, etc.
3 Installation Model 3000TA-XL-EU 3-10 Teledyne Analytical Instruments Table 3-5: Commands via RS-232 Input Command Description as <enter> Immediately starts an autospan. az <enter> Immediately starts an autozero. st <enter> Toggling input.
Trace Oxygen Analyzer Installation 3 3-11 Teledyne Analytical Instruments 3 . 4 Installing the Micro-Fuel Cell The Micro-Fuel Cell, Model B-2CXL is not installed in the cell block when the instrument is shipped. Install it before the analyzer is placed in service.
3 Installation Model 3000TA-XL-EU 3-12 Teledyne Analytical Instruments Cell Bl oc k Micr o-Fu el Cel l O-Rin g Cell Hold er Lift Up Gate Cell Adap tor Figure 3-8: Removing the Micro-Fuel Cell.
Trace Oxygen Analyzer Operation 4 4-1 Teledyne Analytical Instruments Operation 4. 1 Introduction Once the analyzer has been installed, it can be configured for your application. To do this you will: • Set system parameters: • Establish a security password, if desired, requiring Operator to log in.
4 Operation Model 3000TA-XL-EU 4-2 Teledyne Analytical Instruments 4 . 2 Using the Data Entry and Function Buttons Data Entry Buttons: The < > arrow buttons select options from the menu currently being displayed on the VFD screen. The selected option blinks.
Trace Oxygen Analyzer Operation 4 4-3 Teledyne Analytical Instruments 4 . 3 The System Function The subfuctions of the System function are described below. Specific procedures for their use follow the descriptions: • Auto-Cal : Used to define an automatic calibration sequence and/or start an Auto-Cal.
4 Operation Model 3000TA-XL-EU 4-4 Teledyne Analytical Instruments After a password is assigned, the operator must log out to activate it. Until then, anyone can continue to operate the instrument without entering the new password. Only one password can be defined .
Trace Oxygen Analyzer Operation 4 4-5 Teledyne Analytical Instruments In the first line, TRACK or HOLD should be blinking. The operator can toggle between TRACK and HOLD with the Up or Down keys.
4 Operation Model 3000TA-XL-EU 4-6 Teledyne Analytical Instruments after this initial stabilizing period and may be checked again after a addi- tional 7-10 day frequency of zero adjustment is at the discretion of the user (once a month is suggested). Choose System from the Function buttons.
Trace Oxygen Analyzer Operation 4 4-7 Teledyne Analytical Instruments 4.3.3.1 Entering the Password To install a new password or change a previously installed password, you must key in and ENTER the old password first. If the default password is in effect, pressing the ENTER button will enter the default TETAI pass- word for you.
4 Operation Model 3000TA-XL-EU 4-8 Teledyne Analytical Instruments 4.3.3.2 Installing or Changing the Password If you want to install a password, or change an existing password, proceed as above in Entering the Password .
Trace Oxygen Analyzer Operation 4 4-9 Teledyne Analytical Instruments Wait a moment for the entry screen. You will be given clearance to proceed. A A A A A <ENT> TO Proceed Use the arrow keys to retype your password and press Enter when finished.
4 Operation Model 3000TA-XL-EU 4-10 Teledyne Analytical Instruments status of each function is displayed on the screen, either as OK or as a number between 1 and 3.
Trace Oxygen Analyzer Operation 4 4-11 Teledyne Analytical Instruments 4 . 4 Calibration of the Analyzer The analyzer must be calibrated prior to its use.
4 Operation Model 3000TA-XL-EU 4-12 Teledyne Analytical Instruments The Zero button on the front panel is used to enter the zero calibration function. Zero calibration can be performed in either the automatic or manual mode.
Trace Oxygen Analyzer Operation 4 4-13 Teledyne Analytical Instruments Zero: Settling: Man <ENT> To Begin Press Enter to begin the zero calibration. After a few seconds the first of five zeroing screens appears. The number in the upper left hand corner is the first-stage zero offset.
4 Operation Model 3000TA-XL-EU 4-14 Teledyne Analytical Instruments 4.4.2 Span Cal The Span button on the front panel is used to span calibrate the ana- lyzer.
Trace Oxygen Analyzer Operation 4 4-15 Teledyne Analytical Instruments sponds, within tolerance, to the value of the span gas concentration. Then the instrument automatically returns to the analyze mode. 4.4.2.2 Manual Mode Spanning Press Span to start the Span function.
4 Operation Model 3000TA-XL-EU 4-16 Teledyne Analytical Instruments sufficiently stable.) Once Enter is pressed, the Span reading changes to the correct value. The instrument then automatically enters the Analyze func- tion. 4.4.3 Span Failure The analyzer checks the output of the cell at the end of the span.
Trace Oxygen Analyzer Operation 4 4-17 Teledyne Analytical Instruments nitrogen and helium will not require SPAN adjustment. However, care must be taken to keep sample flow rates in the desired levels, as the flowmeter is calibrated for air and nitrogen streams only.
4 Operation Model 3000TA-XL-EU 4-18 Teledyne Analytical Instruments • Both high (high and high-high) alarms, or • One high and one low alarm, or • Both low (low and low-low) alarms. 2. Are either or both of the alarms to be configured as failsafe? In failsafe mode, the alarm relay de-energizes in an alarm condition.
Trace Oxygen Analyzer Operation 4 4-19 Teledyne Analytical Instruments • Defeated? Dft– Y/N (Yes/No) • Failsafe? Fs– Y/N (Yes/No) • Latching? Ltch– Y/N (Yes/No). • To define the setpoint, use the < > arrow keys to move the blinking over to AL–1 ####.
4 Operation Model 3000TA-XL-EU 4-20 Teledyne Analytical Instruments concentration exceeds the upper limit of the range, the DC output will saturate at 1 V dc (20 mA at the current output). However, the digital readout and the RS-232 output of the concentra- tion are unaffected by the fixed range.
Trace Oxygen Analyzer Operation 4 4-21 Teledyne Analytical Instruments L—1 M—10 H—100 Mode—FX/LO or L—1 M—10 H—100 Mode—FX/MED or L—1 M—10 H—100 Mode—FX/HI Press Escape to re-enter the Analyze mode using the fixed range.
4 Operation Model 3000TA-XL-EU 4-22 Teledyne Analytical Instruments 0 0.0 4.0 10 0.1 5.6 20 0.2 7.2 30 0.3 8.8 40 0.4 10.4 50 0.5 12.0 60 0.6 13.6 70 0.7 15.2 80 0.8 16.8 90 0.9 18.4 100 1.0 20.0 The analog output signal has a voltage which depends on the oxygen concentration AND the currently activated analysis range.
Trace Oxygen Analyzer Maintenance 5 5-1 Teledyne Analytical Instruments Maintenance 5 . 1 Routine Maintenance Aside from normal cleaning and checking for leaks at the gas connec- tions, routine maintenance is limited to replacing Micro-Fuel cells and fuses, and recalibration.
5 Maintenance Model 3000TA-XL-EU 5-2 Teledyne Analytical Instruments WARNING: THE SENSOR USED IN THE MODEL 3000TA-XL TRACE OXYGEN ANALYZER USES ELECTRO- LYTES WHICH CONTAIN TOXIC SUBSTANCES, MAINLY LEAD AND POTASSIUM HYDROXIDE, THAT CAN BE HARMFUL IF TOUCHED, SWAL- LOWED, OR INHALED.
Trace Oxygen Analyzer Maintenance 5 5-3 Teledyne Analytical Instruments 1. Remove power to the instrument by unplugging the power cord at the power source. 2. Open the front panel door by pressing the release button on the top right corner of the door all the way in with a narrow gauge tool.
5 Maintenance Model 3000TA-XL-EU 5-4 Teledyne Analytical Instruments 5.2.4 Installing a New Micro-Fuel Cell Before installing a new cell, check the O-ring in the base of the cell holder. Replace if worn or damaged. 1. Place the cell on the holder with the screen side facing down.
Trace Oxygen Analyzer Maintenance 5 5-5 Teledyne Analytical Instruments 5 .3 Fuse Replacement 1. Place small screwdriver in notch, and pry cover off, as shown in Figure 5-2.
5 Maintenance Model 3000TA-XL-EU 5-6 Teledyne Analytical Instruments 5 . 4 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 .
Trace Oxygen Analyzer Maintenance 5 5-7 Teledyne Analytical Instruments • Power Supply • Microprocessor • Displays 5 digit LED meter 2 line, 20 character, alphanumeric, VFD display • RS-232 Communications Port. See the drawings in the Drawings section in back of this manual for details .
5 Maintenance Model 3000TA-XL-EU 5-8 Teledyne Analytical Instruments 5. 7 Troubleshooting Problem : Erratic readings of the Oxygen concentration as reported by the analyzer. Possible Cause : The analyzer may have been calibrated in an inaccurate fashion.
A-1 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments Appendix A - 1 Specifications Packaging: General Purpose • Flush panel mount (Standard ). • Relay rack mount. Contains either one or two instruments in one 19" relay rack mountable plate (Optional).
A-2 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments Power: Universal power supply 85-250 V ac, at 47-63 Hz. Operating Temperature: 5-35 °C Accuracy: ±2% of full scale at constant temperature. ±5% of full scale over operating temperature range, except 0-10 ppm and 0-1 ppm analysis range, once thermal equilibrium is reached.
A-3 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments A - 2 Recommended 2-Year Spare Parts List Q TY .P ART N UMBER D ESCRIPTION 1 C65507A Back Panel Board 1 C62371-B Front Panel Board 1 .
A-4 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments A - 3 Drawing List D-69604 Outline Drawing A - 4 19-inch Relay Rack Panel Mount Figure A-1: Single and Dual 19" Rack Mounts (dimensions in mm) 5.
A-5 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments 3000XL SERIES ANAL YZERS APPLICATION NOTES ON PRESSURES AND FLOW RECOMMENDATIONS 3000 series analyzers require reasonably regulated sample pressures.
A-6 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments BY-PASS: To improve the system response, a by-pass can be added to increase the sample flow rate to the analyzer by a factor of ten. A by-pass provides a sample flow path around the analyzer of 2 - 18 SCFH.
A-7 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments.
A-8 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments A - 6 Material Safety Data Sheet Product Name: Micro-Fuel Cells and Super Cells, all classes except A-2C, A-3, and A-5. Electrochemical Oxygen Sensors, all classes except R-19. Mini-Micro-Fuel Cells, all classes.
A-9 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments Flash Point: na Flammable Limits: na LEL: na UEL: na Extinguishing Media: Use extinguishing media appropriate to surrounding fire conditions.
A-10 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments Contact of electrolyte with skin or eyes will cause a burning sensation and/or feel soapy or slippery to touch. Other symptoms of exposure to lead include loss of sleep, loss of appetite, metallic taste and fatigue.
A-11 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments Section VIII – Control Measures Eye Protection: Chemical splash goggles Hand Protection: Rubber gloves Other Protective Clothing: .
A-12 Appendix Model 3000TA-XL-EU Teledyne Analytical Instruments Micro fuel cell Protective Film/ Seal Cover (Located this side) Cell Block Lift up Gate to removed Cell Holder. Cell Holder O-Ring It is important to minimize the amount of time a Teledyne Trace Oxygen sensor is exposed to air during the installation process.
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 Trace Oxygen Analyzer 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 Trace Oxygen Analyzer - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Teledyne Trace Oxygen Analyzer imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Teledyne Trace Oxygen Analyzer ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Teledyne Trace Oxygen Analyzer, 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 Trace Oxygen Analyzer.
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 Trace Oxygen Analyzer. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Teledyne Trace Oxygen Analyzer 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.
