Teledyne 3300TB manuale d’uso

i Teledyne Analytical Instruments OPERA TING INSTR UCTIONS FOR Model 3300TB T race Oxygen Analyz er 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 MAY PERSIST FOR A TIME [...]

ii 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 electronic, mechanica[...]

iii Teledyne Analytical Instruments Contents Introduction 1. 1 Overview ........................................................................ 1-1 1.2 Main Features of the Analyzer ....................................... 1-1 1.3 F ront P anel Descr iption .................................................. 1-2 1.4 Rear P anel Description .........[...]

iv Teledyne Analytical Instruments 4.4.1 Alarm 1 .................................................................. 4-3 4.4.2 Alarm 2 .................................................................. 4-3 4.4.3 Sensor F ail Alar m .................................................. 4-4 4.5 Selecting a Fixed Range or Autoranging .....................[...]

v Teledyne Analytical Instruments Model 3300TB complies with all of the requirements of the Commonwealth of Europe (CE) for Radio Frequency Interference, Electromagnetic Interference (RFI/EMI), and Low Voltage Directive (LVD). The following International Symbols are used throughout the Instruc- tion Manual for your visual and immediate warnings and[...]

vi Teledyne Analytical Instruments COMBUSTIBLE GAS USA GE W ARNING D ANGER This is a general purpose instrument, the Control Unit is de- signed for usage 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 al- ways exist. The customer[...]

1-1 Trace Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments Introduction 1.1 Overview The Teledyne Electronic Technologies Analytical Instruments (TET/AI) Model 3300TB is a microprocessor-based trace oxygen analyzer for real-time measurement of the parts per million of oxygen in inert gases, or in a wide variety of gas mixtures. It fea[...]

1-2 1 Introduction Model 3300 TB Teledyne Analytical Instruments • Three analog outputs: two for measurement (0–10 V dc, and negative ground 4–20 mA dc) and one for range identification (0-10 V dc). • Compact and rugged Control Unit, wall mounted NEMA-4 rated enclosure. • RS-232 Serial Digital port for output of concentration and data to [...]

1-3 Trace Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments • Set HI Range Set the high analysis range for the instrument (up to 0-9999ppm). • Set LO Range Set the low analysis range for the instrument (down to 0-10ppm). • Span Span calibrate the analyzer. Data Entry Keys: Two pushbutton membrane switches are used to manually cha[...]

1-4 1 Introduction Model 3300 TB Teledyne Analytical Instruments • Power Connection AC version: 100–240 VAC, at 50/60Hz. The connector housing includes the fuse holder and the power switch. Fuse Holder: Replacing the fuse is described in Chapter 5, Maintenance . I/O Power Switch: Turns the instrument power ON (1) or OFF (0). • Analog Outputs [...]

2-1 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Operational Theory 2. 1 Introduction The analyzer is composed of two subsystems: 1. Analysis Unit with Micro-Fuel Cell Sensor 2. Control Unit with Signal Processing, Display and Controls The Analysis Unit is designed to accept the sample gas and direct it to the sensitiv[...]

2-2 2 Operational Theory Model 3300 TB Teledyne Analytical Instruments 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-Fuel Cell is made of extremely inert plastic (which can be placed confidently in practical[...]

2-3 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments conductor connecting them, through some electrical circuitry, to one of the external contacts in the connector receptacle, which is on the top of the cell. 2.2.3 Electrochemical Reactions The sample gas diffuses through the Teflon membrane. Any oxygen in the sample gas i[...]

2-4 2 Operational Theory Model 3300 TB Teledyne Analytical Instruments external current, will increase, even though the proportion of oxygen has not changed. Fortunately, Dalton's Law confirms that every gas in a mixture contributes the same pressure to the mixture that it would exert if it were alone in the same amount in that same volume. Th[...]

2-5 Trace Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments 2. 3 Electronics 2.3.1 General The signal processing uses an Intel  microcontroller with on-board RAM and ROM to control all signal processing, input/output, and display functions for the analyzer. System power is supplied from a universal power supply module designed[...]

2-6 2 Operational Theory Model 3300 TB Teledyne Analytical Instruments In the presence of oxygen the cell generates a current. The sensor has an internal thermistor compensation network. The output of the sensor is converted to voltage millivolt range. This output is fed to a voltage amplifier. The internal thermistor network provides tempera- ture[...]

3-1 Trace Oxygen Analyzer Installation 3 Teledyne Analytical Instruments Installation of the analyzer includes: 1. Unpacking the system. 2. Mounting the Control Unit to a wall 3. Installing the Micro-Fuel Cell 4. Making the electrical connections. 5. Making the gas connections. 6. Testing the installation. CAUTIONS: R ead this chapter in its entire[...]

3 Installation Model 3300 TB 3-2 Teledyne Analytical Instruments 3 . 2 Location and Mounting 3.2.1 Control Unit Installation The 3300TB Control Unit is designed to be wall-mounted, in a general purpose, area. The unit should be installed at viewing level in a sheltered area. Refer to the Outline diagram D-70361 for the physical dimensions of the an[...]

3-3 Trace Oxygen Analyzer Installation 3 Teledyne Analytical Instruments 3 . 3 Electrical Connections Figure 3-1 shows the Model 3300TB rear panel of the control unit. For detailed pinouts, see the wiring/interconnection drawings in the Draw- ings section at the rear of this manual. To gain access to the terminal blocks, the analyzer door screws mu[...]

3 Installation Model 3300 TB 3-4 Teledyne Analytical Instruments Analog Outputs: There are three DC output signal connectors with screw terminals on the panel. There are two wires per output with the polar- ity noted. See Figure 3-3. The outputs are: 0–10 V % Range: Voltage rises with increasing oxygen concentration, from 0 V at 0 percent oxygen [...]

3-5 Trace Oxygen Analyzer Installation 3 Teledyne Analytical Instruments The specific descriptions for each type of alarm are as follows: Alarm #1 Programmable as high or low alarm (actuates when concentration is above threshold). Can be set anywhere between 0 and 9999ppm, but must be set ABOVE the threshold set for the LO Alarm. Alarm #2 Programma[...]

3 Installation Model 3300 TB 3-6 Teledyne Analytical Instruments 3.4.1 Vacuum Service Option For vacuum service pluming reference figure 3-4. The vacuum service option is recommended for applications in which the sample source is not pressurized. The customer must supply a pump and by-pass system to complete the sample system. The sample inlet and [...]

3-7 Trace Oxygen Analyzer Installation 3 Teledyne Analytical Instruments 3 . 5 Installation Checklist Before connecting the instrument to the power source and turning it on, make sure you have: • Correctly installed the Sample and Exhaust gas lines • Checked for leaks • Set the sample pressure to 5–10 psig (34.5 - 68.9 kPa), nominal (for no[...]

3 Installation Model 3300 TB 3-8 Teledyne Analytical Instruments[...]

Trace Oxygen Analyzer Operation 4 4-1 Teledyne Analytical Instruments Operation 4. 1 Introduction Once the analyzer has been mounted, the gas lines connected and the electrical connections made, the Analyzer can be configured for your appli- cation. This involves setting the system parameters: • Defining the user selectable analysis ranges. • S[...]

4 Operation Model 3300 TB 4-2 Teledyne Analytical Instruments 4 . 2 Using the Function and Data Entry Buttons When no buttons on the Analyzer are being pressed, the instrument is in the Analyze mode. It is monitoring the anount of oxygen in the sample gas that is flowing through the sampling system. When one of the Function Buttons is being pressed[...]

Trace Oxygen Analyzer Operation 4 4-3 Teledyne Analytical Instruments 4.3.1 HI Range Setting the HI Range fullscale value defines the LEAST sensitive analysis range to be used. To set the HI Range: 1. Press the SET HI RANGE Function button once. 2. Immediately (within 5 seconds) press either the ∆ or ∇ button to raise or lower the displayed val[...]

4 Operation Model 3300 TB 4-4 Teledyne Analytical Instruments until the display reads the desired percent concentration. (if within 5 seconds no key is pressed, the instrument will return to the sample mode and display oxygen concentration). After setting the value wait for the unit to time out of this mode (ap- proximately 5 seconds) and return to[...]

Trace Oxygen Analyzer Operation 4 4-5 Teledyne Analytical Instruments 4 . 5 Selecting a Fixed Range or Autoranging The Model 3300TB can operate in fixed high, fixed low, or autoranging mode. To change modes: 1. Press and then release the SET HI RANGE and the SET LO RANGE buttons simultaneously. 2. Within 5 seconds, press either the ∆ or ∇ butto[...]

4 Operation Model 3300 TB 4-6 Teledyne Analytical Instruments 4 . 7 Displa ying P er cent & PPM on the LED Display The analyzer displays the concentration in percent whenever the read- ing is over 9999 ppm. When the reading changes to percent, the LED display will alternate between flashing “PC” and the oxygen concentration. On the other ha[...]

5-1 Trace Oxygen Analyzer Maintenance 5 Teledyne Analytical Instruments Maintenance Aside from normal cleaning and checking for leaks at the gas connections, the Model 3300TB should not require any maintenance beyond replacement of expended Micro-Fuel Cells, and perhaps a blown fuse. Routine maintenance includes occasional recalibration, as describ[...]

5-2 5 Maintenance Model 3300 TB Teledyne Analytical Instruments fuse holder will slide out. There are two fuses in use and are visible in the clip. 4. Remove the bad fuse and replace it with a 5x20mm 0.5 A, 250 VAC, IEC time lag (T) fuse (P/N F1128). 5. Replace the fuse holder into its receptacle, pushing in firmly until it clicks. 5 . 2 Sensor Ins[...]

5-3 Trace Oxygen Analyzer Maintenance 5 Teledyne Analytical Instruments WARNING: THE SENSOR USED IN THE MODEL 3300TB CON- TAINS AN ELECTROLYTE WHICH INCLUDES SUBSTANCES THAT ARE EXTREMELY HARMFUL IF TOUCHED, SWALLOWED, OR INHALED. AVOID CONTACT WITH ANY FLUID OR POWDER IN OR AROUND THE UNIT. WHAT MAY APPEAR TO BE PLAIN WATER COULD CONTAIN ONE OF TH[...]

5-4 5 Maintenance Model 3300 TB Teledyne Analytical Instruments 4. Slowly withdraw the cap from the block. The cell should come out with the cap . 5. Carefully pull the cell off of the cap. DO NOT TOUCH THE SCREENED END OF THE CELL OR ANY FLUID THAT MAY BE LEAKING FROM IT. 6. Dispose of the cell in a safe manner, in accordance with all applicable E[...]

5-5 Trace Oxygen Analyzer Maintenance 5 Teledyne Analytical Instruments If you have a warranty claim, you must return the cell in question to the factory for evaluation. If it is determined that failure is due to faulty workmanship or material, the cell will be replaced at no cost to you. Note: E vidence of damage due to tampering or mishandling wi[...]

5-6 5 Maintenance Model 3300 TB Teledyne Analytical Instruments[...]

A-1 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments Appendix A.1 Specifications Ranges : Two user selectable ranges can be set between 0-10 ppm and 0-9999 ppm oxygen, and a 0-25 % (nominal) Air Cali- bration Range. Signal Output : Voltage: 0–10 V dc, negative ground Current: 4-20 mA, negative ground Range ID: 0-10 V dc. Display : L[...]

A-2 Appendix Model 3300 TB Teledyne Analytical Instruments A . 2 Spare P arts List QTY P/N DESCRIPTION 1 C-65220-A PC Board, Main 1 C-64586 PC Board, Power Supply 1 C-6689-B-2C Micro-Fuel Cell, class B-2C 2 F-1130 Fuse (AC), ½A, 250 VAC Type "T" (IEC), 5 x 20mm IMPORTANT: Orders for replacement parts should include the part number and th[...]

A-3 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments A . 3 Reference Drawing D-70361 Outline Diagram D-70362 Final Assembly A.4 Miscellaneous The symbol: ~ is used on the rear panel of the model 3300TB to signify volts alternating current (VAC). NOTE: The MSDS on this material is available upon request through the Teledyne Environment[...]

A-4 Appendix Model 3300 TB Teledyne Analytical Instruments[...]

A-5 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments A.5 Material Safety Data Sheet Section II – Ph ysical and Chemical Data Chemical and Common Names: Potassium Hydroxide (KOH), 15% (w/v) Lead (Pb), pure CAS Number: KOH 1310–58–3 Pb 7439–92–1 KOH (15% w/v) Pb (pure) Melting Point/Range: –10 to 0 °C 328 °C Boiling Point/[...]

A-6 Appendix Model 3300 TB Teledyne Analytical Instruments Section III – Ph ysical Hazards Section IV – Health Hazard Data Potential for fire and explosion: The electrolyte in the Micro-Fuel Cells is not flammable. There are no fire or explosion hazards associated with Micro-Fuel Cells. Potential for reactivity: The sensors are stable under nor[...]

A-7 Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments Section V – Emergency and First Aid Procedures NOT E: The oxygen sensors are sealed, and under normal circumstances, the contents of the sensors do not present a health hazard. The following information is given as a guide in the event that a cell leaks. Protective clothing: Rubbe[...]