Teledyne Trace Oxygen Analyzer manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Teledyne Trace Oxygen Analyzer. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Teledyne Trace Oxygen Analyzer o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Teledyne Trace Oxygen Analyzer se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Teledyne Trace Oxygen Analyzer, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Teledyne Trace Oxygen Analyzer debe contener:
- información acerca de las especificaciones técnicas del dispositivo Teledyne Trace Oxygen Analyzer
- nombre de fabricante y año de fabricación del dispositivo Teledyne Trace Oxygen Analyzer
- condiciones de uso, configuración y mantenimiento del dispositivo Teledyne Trace Oxygen Analyzer
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Teledyne Trace Oxygen Analyzer no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Teledyne Trace Oxygen Analyzer y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Teledyne en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Teledyne Trace Oxygen Analyzer, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Teledyne Trace Oxygen Analyzer, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Teledyne Trace Oxygen Analyzer. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    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. HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH[...]

  • Página 2

    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, stored in a retrieval system, or translated into any other language or computer language in whole or in part, in any form or by any means, whether it be el[...]

  • Página 3

    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. Any that are incorporated in the instrument for which this manual is suppli[...]

  • Página 4

    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). The following International Symbols are used throughout the Instruc- tion Manual for your visua[...]

  • Página 5

    v Trace Oxygen Analyzer Teledyne Analytical Instruments Table of Contents 1 Introduction 1. 1 Overview ........................................................................ 1-1 1.2 Typical Applications ....................................................... 1-1 1.3 Main Features of the Analyzer ....................................... 1-1 1.4 Mod[...]

  • Página 6

    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 .................................. 4-9 4.3.6 Version Screen ......................................................[...]

  • Página 7

    vii Trace Oxygen Analyzer Teledyne Analytical Instruments Appendix A- 6 Material Safety Data Sheet..................................................A-8 A-7 Installing and Replacing Micro Fuel Cell.........................A-12[...]

  • Página 8

    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. The customer should e[...]

  • Página 9

    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. This manual covers the Model 3000TA-XL General [...]

  • Página 10

    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. • Microprocessor based electronics: 8-bit C[...]

  • Página 11

    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. See Figure 1-1. The front panel has thirteen buttons for operating the analyzer, a digital meter, an alphanumeric disp[...]

  • Página 12

    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. Data Entry Keys: Six touch-sensitive membrane switches are used to input data to the instrument via the alphanumeric VFD display: • Left & Right Arrows Select[...]

  • Página 13

    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 Rear Panel (Equipment Interface) The rear panel, shown in Figure 1-2, contains the gas and electrical connectors for ext[...]

  • Página 14

    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. • Calibration Contact To notif[...]

  • Página 15

    2-1 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Operational Theory 2. 1 Introduction The analyzer is composed of three subsystems: 1. Micro-Fuel Cell Sensor 2. Sample System 3. Electronic Signal Processing, Display and Control The sample system is designed to accept the sample gas and transport it through the analyzer[...]

  • Página 16

    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.) 2.2.2 Anatomy of a Micro-Fuel Cell The Micro-[...]

  • Página 17

    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. The anode structure is below the cathode. It is made[...]

  • Página 18

    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.) In the absence of oxygen, no current is generated. 2.2.4 The Effect of Pressure In order to st[...]

  • Página 19

    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. Depending on the mode of operation either sample or calibration gas is delivered. Th[...]

  • Página 20

    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. VCR S a m p le In TOP RI GHT S I D E E xhaus t Ou t[...]

  • Página 21

    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 3000TA-XL-VS -Do not exceed 10" Hg Vacuum- Figure 2-5-2: Flow Diagram-Sample Under Pressure -Model 3000TA-XL-CV[...]

  • Página 22

    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. System power is supplied from a unive[...]

  • Página 23

    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. The second stage amplifier also suppl[...]

  • Página 24

    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. This change is inversely proportional to the change in the cell output. The resul[...]

  • Página 25

    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 . 1 Unpacking the Analyzer The analyzer is shipped with all the materials you ne[...]

  • Página 26

    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. The door[...]

  • Página 27

    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. The unit is manufactured with 1 / 4 inch tube fittings, and 6 mm adapters are supplied for metric system installatio[...]

  • Página 28

    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. 3.3.2 Electrical Connections For safe connections, [...]

  • Página 29

    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. For polarity, see Table 3-1. The outputs are: 0–1 V dc % of Range: Voltage rises linearly with increasing oxygen, from 0 V at 0 ppm to 1 V at[...]

  • Página 30

    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. • Can be configured out (defeated). Threshold Alarm 2: • Can be configured as high (actuates when concen- tration is above threshold), or low (actuates when concentration is be[...]

  • Página 31

    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. A synchronous signal must open and close ext[...]

  • Página 32

    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. If you have the –C Internal valve option—which includes additional zero and span gas inputs— the 3000T automatically regulates[...]

  • Página 33

    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.) If more current and/or [...]

  • Página 34

    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. Stops/Starts any status message output from the RS-232, until st <enter> is sent agai[...]

  • Página 35

    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. The Micro-Fuel cell is located inside the stainless steel cell block behind the front[...]

  • Página 36

    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[...]

  • Página 37

    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. • Establish and start an automatic calibrati[...]

  • Página 38

    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. When the selected option includes a modifiable item, the Δ Δ Δ Δ Δ∇ arrow butt[...]

  • Página 39

    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. • PSWD : Security can be established by cho[...]

  • Página 40

    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 . Before a unique password is assigned, the system assigns TETAI by default. This all[...]

  • Página 41

    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. When TRACK is selected, the analog outputs (0-1 VDC and 4-20 ma) and the range ID contacts will track the instrument readings during calibration (either z[...]

  • Página 42

    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. The LCD will display five subfunctions. TRAK/HLD Auto—Ca[...]

  • Página 43

    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. Press System to en[...]

  • Página 44

    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 . When you are given the oppor- tunity to change the password: Change Password? <ENT>=Yes <ESC>=No Press Enter to chan[...]

  • Página 45

    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. Your password will be stored in the microprocessor and the system will immediately switch to the [...]

  • Página 46

    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. (See System Self Diagnostic Test in chapter 5 for number code.) The self diagnostics are run automatically by the analyzer whenever the instrument is turned on, but the test can also be[...]

  • Página 47

    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. For most applications where the desired range of measurement is 0 to 1 ppm, we recommend the analyzer be calibrated using a span gas as detailed below: Span Gas Calibration Before the cell is rea[...]

  • Página 48

    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. In the automatic mode, an internal algorithm compares consecutive readings from the sensor to determine when the output is wi[...]

  • Página 49

    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. The microprocessor samples the output at a prede- termined [...]

  • Página 50

    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. Span calibration can be performed using the automatic mode, where an internal algorithm compares consecutive readings from the sensor to determine when the output matches the span gas concen[...]

  • Página 51

    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. The screen that appears allows you to select whether the span calibration is t[...]

  • Página 52

    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. If the raw output of the cell is less t[...]

  • Página 53

    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. 3. The analyzer can withstand repeated switching of streams between low oxygen lev[...]

  • Página 54

    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. For non-failsafe operation[...]

  • Página 55

    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 ####. Then use the Δ∇ arrow keys to change the number. Holding down the key spee[...]

  • Página 56

    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. They continue to read accurately with full precision[...]

  • Página 57

    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. NOTE: When performing analysis on a fixed range, if the oxygen concentra- tion rises above the upper limi[...]

  • Página 58

    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. To relate the signal output t[...]

  • Página 59

    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. For recalibration, see Section 4.4 Calibration . WARNING: SEE WARNINGS ON[...]

  • Página 60

    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. AVOID CONTACT WITH ANY FLUID OR POWDER IN OR AROUND THE UNIT. WHA[...]

  • Página 61

    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. 3. With one hand placed underneath the cell block ready t[...]

  • Página 62

    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. Note: There is a small location hole drilled in the holder. This hole[...]

  • Página 63

    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. Figure 5-2: Removing Fuse Block from Housing 2. To change between American and European fuses, remove the single retaining screw, flip Fuse Block over 180 degrees, and replace [...]

  • Página 64

    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 . The following failure codes apply: Table 5-1: Self Te[...]

  • Página 65

    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 . Figure 5-4: Rear-Panel Screws To detach the rear pane[...]

  • Página 66

    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. Solution: Turn the analyzer off, then turn back on again. Press the System key when prompted by[...]

  • Página 67

    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). Sensor: Teledyne B-2CXL trace analysis Micro-Fuel Cell. Cell Block: 316 sta[...]

  • Página 68

    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. ±0.1 ppm [...]

  • Página 69

    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 C69367 Preamplifier Board (Instruction) 1 C73870-A Main Computer Board 1 F10 Fuse, 2A, 250V 3AG Slow Blow 2 F1296 Fuse, 2A, 250V 5x20mm (European) Slo[...]

  • Página 70

    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. 75 8. 72 5. 75 8. 72[...]

  • Página 71

    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. While the 3000 analyzers are not sensitive to variations of incoming pressure (provided they are properly vented to atmospheric press[...]

  • Página 72

    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. typically. CONVERSIONS: 1 PSI = 2.04 INCHES OF MERCURY (in. Hg.) 1 SCFH = 0.476[...]

  • Página 73

    A-7 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments[...]

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    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. Manufacturer: Teledyne Brown Engineering Analytical Instruments Address: [...]

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    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. No specific agents recommended. Wear NIOSH/OSHA approved self-contained breathing apparatus and protective clothing to prevent contact with s[...]

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    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. Carcinogenicity: Lead is classified by the IARC as a class 2B carcino[...]

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    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: Apron, face shield Ventilation: na Section IX – Disposal Both lead and potassium hydroxide are considered poisonous substances and are regulated und[...]

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    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. The quicker the sensor ca[...]