Manuel d'utilisation / d'entretien du produit 7600 du fabricant Teledyne
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Teledyne Analytical Instruments OPERA TING INSTRUCTIONS FOR Model 7600 NDIR Infrared Gas Analyzer DANGER Toxic gases and or flammable liquids may be present in this monitoring system. Personal protective equipment may be requi red when servicing this inst rume nt.
Model 7600 Teledyne Analytical Instruments ii Copyright © 2005 Teledyne Instruments/ Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed, st.
Infrared Gas Analyzer Teledyne Analytical Instruments iii S pecific Model Information Instrument Serial Number: _______________________ Instrument Range: _______________ Calibrated for: ______________.
Model 7600 Teledyne Analytical Instruments iv Safety Messages Your safety and the safety of others is very important. We have provided many important safety m essages in this manual. Please read these messages carefully. A safety message alerts you to pot ential hazards that could hurt you or others.
Infrared Gas Analyzer Teledyne Analytical Instruments v IF YOU USE THE ANALYZER IN A MANNER OTHER THAN THAT FOR WHICH IT WAS INTEND ED, UNPREDICTABLE BEHAVI OR COULD RESULT POSSIBLY ACCOMPANIED WITH HAZARDO US CONSEQUENCES.
Model 7600 Teledyne Analytical Instruments vi T able of Content s List of Figures ............................................................................... x List of Ta bles .......................................................................
Infrared Gas Analyzer Teledyne Analytical Instruments vii Operation ..................................................................................... 35 3.1 General Information 35 3.2 Display and Available Menus 36 3.3 The Display Screen 38 3.3.1 Measurement Mode 38 3.
Model 7600 Teledyne Analytical Instruments viii 3.5.7.1 Output Hold 75 3.5.7.2 Average Value Reset: 78 3.5.7.3 Response Time 79 3.5.7.4 Average Period 79 3.5.7.5 Backlight Timer 80 3.5.7.6 Maintenance mode 81 3.6 Maintenance Mode 82 3.6.1 Sensor Input Value 83 3.
Infrared Gas Analyzer Teledyne Analytical Instruments ix A.3 Optional Functions 115 A.4 Performance: 116 A.5 Standard Requirements for Sample Gas 117 A.6 Installation Requirements 118 A.7 EC Directive Compliance 118 A.8 Terminal Block Connections 119 A.
Model 7600 Teledyne Analytical Instruments x List of Figures Figure 1-1: Model 7600A In frared Gas Analyze r ........................... 16 Figure 1-2: Model 7600 Descrip tion .............................................. 19 Figure 2-1: Slide Rail Mounting Dim ensions .
Infrared Gas Analyzer Teledyne Analytical Instruments xi Figure 3-11: Output Hold for Auto Cali bration ............................... 76 Figure 3-12: Output Hold for Exter nal Ho ld ................................... 76 Figure 3-13: Average Value Re set .
Model 7600 Teledyne Analytical Instruments xii List of T ables Table 2-1: Correspondence of Measured Components and Measuring Units ..................................................................... 27 Table 2-2: Zero and Span Gas .................
Infrared Gas Analyzer Teledyne Analytical Instruments xiii DANGER COMBUSTIBLE GAS USAGE WARNING This is a general purpose instrument designed for use in a non-hazardous area. It is th e customer's responsibility to ensure safety especially when combustible gases are being analyzed since the potential of gas leaks always exist.
Model 7600 Teledyne Analytical Instruments xiv.
Infrared Gas Analyzer Introduction Teledyne Analytical Instruments 15 Introduction 1.1 Overview The Model 7600 Infrared Gas Analy zer is a microprocessor based infrared gas analyzer used to m easure the concentration of NO, SO 2 , CO 2 , CO and CH 4 contained in sample gas.
Introduction Model 7600 Teledyne Analytical Instruments 16 Figure 1-1: Model 7600A In frared Gas Analyzer • Simultaneous measurement of up to five com ponents • Excellent long-term stab ility • .
Infrared Gas Analyzer Introduction Teledyne Analytical Instruments 17 • Instrument or calibration error contact outputs • Extra functions included such as average value computation, O 2 conversion • Pump ON/OFF contact 1.
Introduction Model 7600 Teledyne Analytical Instruments 18 • Biochemistry and fermentation, • Automotive emission analysis • Explosive and toxic gas analysis • Chemical analysis • Refinery operation • Research applications 1.
Infrared Gas Analyzer Introduction Teledyne Analytical Instruments 19 Figure 1-2: Model 7600 Description Gas connections for the 7600 instrume nt are made on the rear panel of the instrument using the ¼” NP T fittings installed. The standard instrument has two measuring units and a pair of inlet/outlet gas connections exist for each unit.
Introduction Model 7600 Teledyne Analytical Instruments 20.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 21 Inst allation Installation of the analyzer includes: 1. Unpacking the system. 2. Choosing a suitable location 3. Mounting the analyzer 4. Mounting the terminal module 5. Installing gas connections 6.
Installation Model 7600 Teledyne Analytical Instruments 22 * These optional items are includ ed if specified at the time of purchase As soon as you receive the instrument, carefully unpack and inspect the analyzer and components fo r damage. Immediately report any damage to the shipping agent.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 23 2.3 Mounting the Analy zer The 19” rack mountable 7600 analyz er is designed for either a guide rail or slide rail mounting with in a rack or cabinet.
Installation Model 7600 Teledyne Analytical Instruments 24 mounting surface. Connect t he panel to the same ground as the analyzer main unit. Figure 2-2: Input/Out put Terminal Module Figure 2-3: Moun.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 25 2.5 Gas Connections Gas connections are made on the rear panel of the analyzer. Adhere to the following guidelines when making gas connections: • Use a corrosion resistant tube such as Teflon, stainless or polyethylene to connect the inst rument to a sampling system.
Installation Model 7600 Teledyne Analytical Instruments 26 An internal piping diagram for an instrument with one or two measuring units is shown in Figure 2-4. W hen there are two measuring units, if a built-in oxygen sensor is used, it must be installed in measuring unit 2.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 27 Table 2-1: Correspondence of Measured Components and Measuring Units Measuring components Measuring unit 1 Measuring unit 2 1-comp.
Installation Model 7600 Teledyne Analytical Instruments 28 Figure 2-6: External Piping with Two Pair of Inlet/Outlet (1) Figure 2-7: External Piping with Two Pair of Inlet/Outlet (2) 2.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 29 • The dew point of the sample gas must be lower th an the ambient temperature to avoid c ondensation in the analyzer. If vapor is contained in the sampling gas, the dew point should be lowered to 0°C by using a dehumidifier.
Installation Model 7600 Teledyne Analytical Instruments 30 2.5.6 Purging the Analyzer In general, purging the analyzer is not required unless one of the following cases apply: • A combustible gas component is contained in sample gas. • Corrosive gas is contained in the atmospheric air at the installation site.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 31 • Solenoid Valve—for introducing calibration gas and OFF/ON flow of sample gas. • Membrane Filter—PTFE filter f or rempval of fine dust particles. • Flowmeter—adjusts and monitors the sam ple gas flowrate.
Installation Model 7600 Teledyne Analytical Instruments 32 2.6 Electrical Connections 2.6.1 Power Inlet The power inlet for the Model 7600 is located on the rear panel as shown in Figure 2-9. The proper 3-pr ong power cord has been supplied with your instrument.
Infrared Gas Analyzer Installation Teledyne Analytical Instruments 33 Figure 2-10: Noise Suppression 2.6.2 Input/Output Terminal Module Use the supplied cable to interface th e I/O Module to the an alyzer. Plug the cable connector into the rece ptacle at the rear panel of the analyzer and the receptacle on the PC board of the input/output module.
Installation Model 7600 Teledyne Analytical Instruments 34 2.7 T esting the System After the analyzer has been installed with gas an d electrical connections but prior to powering up the unit make sur.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 35 Operation 3.1 General Information This section describes the front panel interface of the analyzer.
Operation Model 7600 Teledyne Analytical Instruments 36 MODE key: Used to switch the mode. LEFT/RIGHT Arrow key: Used to change the sele cted item by m oving the cursor and numeral digit. UP key: Used to change the selected item by moving the cursor and to increase a numeric value.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 37 Figure 3-3: Display Modes and Menu Hierarchy.
Operation Model 7600 Teledyne Analytical Instruments 38 The user mode is where the operato r configures the instrument and sets up various parameters for the intended application.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 39 The numbered call outs in Figure 3-4 refer to: No. Name Function (1) Component display Displays component of instantaneous value, corrected instantaneous value, corrected average value, etc.
Operation Model 7600 Teledyne Analytical Instruments 40 Where: On: The value of the O 2 correction reference value (Value set by application) Os: Oxygen concentration (%) Cs: Concentration of relevant measured component. Note that Os does not exceed the O 2 limit value set in “Other P arameter” See Section 3.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 41 Figure 3-5: Setting/Se lection Screen Areas 3.4 Basic Operation Measurement mode The measurement m ode is the default mode of the instrument and appears when the unit is first turned on.
Operation Model 7600 Teledyne Analytical Instruments 42 • Set up the Auto Calibration feature • Setup an auto zero calibration • Adjust the peak alarm parameter Setting. These settings are described in Section 3.5. To enter the user mode from the m easurement mode, press the MODE key.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 43 2. Move the cursor to the “Sw itch Ranges” option and press ENT. The “Channel Selection” screen appears. 3. Move the cursor by pressing the UP/DOWN keys to the desired channel and press ENT.
Operation Model 7600 Teledyne Analytical Instruments 44 2. Move the highlight of the curs or to range selection and select the desired range us ing the UP/DOWN keys. The highlighted arrow indicates the cur rently selected range. 3. Press ENT to accept the selec tion.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 45 3.5.1.3 R EMOTE R ANG E S ELECTION The range can be selected remotely if a remote switch has been installed. To use this feat ure, the range mode must be sw itched in the display to RR (Remote Range) .
Operation Model 7600 Teledyne Analytical Instruments 46 3.5.1.4 A UTORANGING The Model 7600 can be set to autora nge where the instrument will select the analysis range automatically . To use th e autorange feature, AR must be selected for the switch m ode.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 47 4. In the “Calibration Parameters” screen that appears, poin t the cursor to “Calibration V alue” by pressing the UP or DOWN key. Press the ENT key. To change the concentration of a calibration gas: 1.
Operation Model 7600 Teledyne Analytical Instruments 48 Note: Enter settings that correspond to each range. If a zirconia type O 2 sensor is used, select 21.00 for the field of Zero (when air is used), and select the concentration listed on the cylinder if the air contained in a cylinder is used.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 49 This brings up the Cal. Settings ZERO Cal. screen where you can set whether all components or individually selected components are zeroed during a m anual zero calibration. The choices are: • at once—these com ponents will be zeroed simultaneously during a manual zero.
Operation Model 7600 Teledyne Analytical Instruments 50 zero calibration screen that all there are cursors o n all components where “at once” is set. Note: When the cylinder air or atmospheric air is used for the zero gas, select “at once.” 3.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 51 performed only for the range displayed when calibration of the selected channel is performed. 6. Press the ENT key after the selection, and the sp ecified calibration is set. To close the calibration range selec tion screen or cancel this mode midway, press the ESC key.
Operation Model 7600 Teledyne Analytical Instruments 52 (AR), it will be calibrated in the ra ng e set in this menu when auto calibration is performed. From this m enu you can enable or disable the auto calibration feature. To navigate to the Auto Ca libration Components/Range menu: 1.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 53 range you want to set using the UP or DOWN key. Then press the ENT. 2. The cursor next to the range of the selected channel is highlighted. Select the range to be calibrated using the UP or DOWN key.
Operation Model 7600 Teledyne Analytical Instruments 54 • High Limit: sets the upp er value (concentration) above which the alarm will trigger. Has an on-screen display. • Low Limit: sets a lower value ( concentration) below w hich the alarm will trigger.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 55 CAUTION: ALARMS ARE INACTIVE FOR 10 MINUTES AFTER TURNING ON POWER. 3.5.3.1 C ONFIGURING THE A LA R MS Note: To change an alarm setting, first set the alarm ON/OFF setting to OFF, and then change the value.
Operation Model 7600 Teledyne Analytical Instruments 56 4. The alarm item selection screen will appear where you can select the alarm type, assi gn it to a channel, define setpoints, and enable or disable the alarm . Use the UP or DOWN keys until the cursor is alig ned with the desired function and press the ENT key.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 57 Figure 3-6: Hysteresis Exam ple for a High Limit Alarm An alarm output is turn ed ON if m easurement value exceeds the upper limit value as shown in Figure 3-6. Once the alarm output has been turned ON, it is not turned O FF until the pr ocess value falls below the hysteresis width.
Operation Model 7600 Teledyne Analytical Instruments 58 To close the “Hysteresis Setting ” or cancel the mode midway, press the ESC key. A previous screen will return. 3.5.4 Setting of Auto Calibration 3.5.4.1 A UTO C ALIBRA TION Auto calibration is auto matically carried out w hen zero and span calibrations are set.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 59 5. In the “Setting of Auto Calibra tion” screen that appears, point the cursor to any item you want to set by pressing the UP or DOWN key. Press the ENT key. 6. In the “Auto Calibration Param eter Setting” screen that appears, perform the value entry or the setting.
Operation Model 7600 Teledyne Analytical Instruments 60 To set the flow tim e: 1. Place the cursor next to “Flo w Tim e,” then press the ENT key. 2. On the flow tim e setting screen that appears, use the UP and DOWN keys to move th e cursor to the gas whose settings you want to ch ange, then press ENT.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 61 Any operation other than “Stop Auto Calibration” (see Section 3.5.4.5) is not permi tted during auto calibration. “Stop Auto Calibration” cannot be performed when the key lock is ON.
Operation Model 7600 Teledyne Analytical Instruments 62 When a channel enabled for auto calibration is in the calibration mode, a message indicating ZERO cal.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 63 3.5.4.5.1 M ANUAL E XECUTION OF A UTO C ALIBRATION To perform the auto calibration cycle manually: 1.
Operation Model 7600 Teledyne Analytical Instruments 64 5. From the measurem ent mode, press the MODE key to display the user mode. 6. Point the cursor to “Setting of Auto Calibration” by pressing the UP or DOWN ke y and press the ENT key.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 65 3.5.5 Setting of Auto Zero Calibration 3.5.5.1 A UTO Z ERO C A LIBRATION Auto zero calibration is au tomati cally carried out when the zero calibration is set. Components for wh ich a calibration is to be m ade are determined by setting of auto calibr ation component in Section 3.
Operation Model 7600 Teledyne Analytical Instruments 66 3. In the “Setting of Auto Zero Calibra tion” screen that appears, point the cursor to any item you want to set by pressing the UP or DOWN key. Press the ENT key. 4. In the “Auto Zero Calibration Pa rameter Setting” screen that appears, perform the valu e entry or the setting.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 67 Figure 3-8: Example Auto Zero Calibration Note: When an auto zero calibration starts, the m easurement screen automatically appears. Any operation other than “Stop Auto Zero Calibration” (see Section 3.
Operation Model 7600 Teledyne Analytical Instruments 68 3.5.5.2 F ORCED RUN / STOP OF AUTO ZERO CA LIBRATION Like the auto calibration, the auto zero calibratio n can be performed m anually or forcibly stopped while th e calibration is performed. 3.5.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 69 3.5.5.2.2 F ORCIBLY E ND AN A UTO Z ERO C ALIBRATION To abort an auto ze ro calibration event: 1. From the measurem ent mode, press the MODE key to display the user mode. 2. Point the cursor to “Setting of Auto Calibration” by pressing the UP or DOWN ke y and press the ENT key.
Operation Model 7600 Teledyne Analytical Instruments 70 Note: During auto zero calibrati on, the keys are inoperable other than key lock ON/OFF and “Stop Auto Zero Calibration.” When the key lock is set to ON, even the “Auto Zero Calibration Stop” is locked out.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 71 3. Press the ENT key. 4. In the “Peak Alarm Setting” item selection screen that appears, point the cursor to any item you want to set by pressing the UP or DOWN key. Then press the ENT key.
Operation Model 7600 Teledyne Analytical Instruments 72 the numerical value which upon reaching will trigger the peak alarm . Hysteresis: To prevent possible chattering when the measuring value may exceed the set peak concentration by only 1 time, the peak count has an allowance in the hysteresis width.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 73 interval (1) and (2) , the peak count alarm rem ains ON. At (2), the peak count has fallen to 4 per hour so the peak alarm is turned OFF. Like the hysteresis of the alarm setting , the hysteresis preven ts possible chattering when measured g a s is fluctuated near the alarm value.
Operation Model 7600 Teledyne Analytical Instruments 74 Reset Av. Output: Resets the a verage value. Response time: Sets the respons e time of the electrical system. Average Period: Sets the moving averag e time. Backlight Timer: Sets an autom atic OFF of the back light of disp lay unit and the time until the backligh t is turned OFF.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 75 To close the “Setting of Auto Calibration” or cancel the m ode midway, press the ESC key. A previous screen will return. Settings range: Hold setting: 0 to 100% FS Response time: 1 to 60 sec.
Operation Model 7600 Teledyne Analytical Instruments 76 Auto calibration Figure 3-11: Output Hold for Auto Calibration External hold Figure 3-12: Output Hold for External Hold Screen display during hold For Auto calibration and external holds, the “on Hold” m essage will be shown blinking on the m easurement screen.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 77 1. From the measurem ent screen, press the MODE key to enter the user mode then navigate to the Parameter Setting option. Press the ENT key to bring up the parameter setting sc reen. 2.
Operation Model 7600 Teledyne Analytical Instruments 78 5. On the parameter hold screen that appears, m ove the cursor next to the channel you want to make the setting by pressing the UP or DOWN key, and then press ENT. 6. The value is highlighted, indicating that the value can be changed.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 79 perform a reset, the contacts m ust close for at least 1.5 seconds. See Figure 3-13. Resetting occurs as the contacts reopen. Figure 3-13: Average Value Reset 3.5.7.3 R ESPONSE T IME The response time of the electrical system can be changed.
Operation Model 7600 Teledyne Analytical Instruments 80 To modify the average p eriod: 1. Choose the channel or channels you want to modify. You can set an average time from 1 to 59 m inutes in 1-minute steps or 1 to 4 hours in 1-hour steps.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 81 pressing any key will turn the back light back O N for the specified duration. When ON is selected, th e time until auto OFF is display ed. To change the backlight autom atic shut off time: 1.
Operation Model 7600 Teledyne Analytical Instruments 82 2. Select Parameter Settin g from the user screen. 3. With the UP or DOWN key, select Maintenance Mode and press ENT. 3.6 Maintenance Mode This mode is used for checking se nsor input values , error log file display, or setting of passwords, etc.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 83 7. Additional Parameters a. Password Set b. O 2 Reference Value c. Limit d. MODBUS Communicati on Station No. e. Range Setting 8. Factory Mode In the maintenance mode screen, point the cursor to the item you want to set by pressing the UP or DOWN key and press the ENT key.
Operation Model 7600 Teledyne Analytical Instruments 84 CO M: CO sensor input value CO C: CO interference compensation sensor inp ut value Temperature: temp erature sensor input value O 2 : O 2 sensor input value 3.6.2 Error Log This screen gives the error hist ory for the last fourteen logged errors.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 85 Z1: Zero calibration (Z) of Range 1 S1: Span calibration (S) of Range 1 M: Value of measuring detect or at the time of calibration C: Value of the interference compen sation detector at the time of calibration Con: Concentration value di splayed before calibration 3.
Operation Model 7600 Teledyne Analytical Instruments 86 3.6.5 Moisture Interference Adjustment This item is described in Section 4.5 Moisture In terference Adjustment . For the values listed in the m i ddle column of the screen, the moisture interference for each compone nt is already offset.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 87 1. From the output adjustment screen w hich accessible from the maintenance mode m enu, move the cursor with the UP or DOWN key to the output (OUT No. and zero/ span) to be adjusted, and then press the ENT key.
Operation Model 7600 Teledyne Analytical Instruments 88 • Station No.: Set the station No. for MODBUS communication. Settable in the range f rom 00 to 32. • Range setting: Moves to the screen on which measuring range is changed. To adjust or make changes to th ese parameters: 1.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 89 3. Another screen appears whic h displays the current MIN and MAX ranges established for that component. To change the existing range move the cursor to the range you want to modify using th e UP or DOWN key, and then press the ENT key.
Operation Model 7600 Teledyne Analytical Instruments 90 3.7 Calibration 3.7.1 Zero Calibration The zero calibration is used for zero point adjustment. A suitable zero calibration gas is described in Section 2.5.5 Preparation of Calibration Gas . To zero calibrate the analyzer: 1.
Infrared Gas Analyzer Operation Teledyne Analytical Instruments 91 To close the “Zero Calibration” screen or cancel this mode midway, press the ESC key. A previous screen will return. 3.7.2 Span Calibration Span calibration is used to perf orm a span point adjustment.
Operation Model 7600 Teledyne Analytical Instruments 92 To close "Span Calibration" To close the “Span Calibration” screen or cancel this mode midway, press the ESC key.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 93 Maintenance 4.1 Routine Maintenance Aside from normal cleaning of th e instrument and making sure connections are tight and secure , the following m aintenance items should be carried out on a daily basis.
Maintenance Model 7600 Teledyne Analytical Instruments 94 Item to be checked Phenomena Cause Remedy (2) Air is absorbed midway in the sampling pipe. (2) Find cause of leak and repair. Purge gas flow is included when purge gas in sampling gas flow rate.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 95 6. For cleaning the window and inside surface of the cell, first eliminate coa rse dust using a soft brush and then wipe with a soft rag. CAUTION: THE WINDOW IS EASILY SCRAT CHED. USE EXTREME CARE WHE N PERF ORMING THIS OPERATION SO AS NOT TO DAMAGE IT.
Maintenance Model 7600 Teledyne Analytical Instruments 96 Figure 4-3: Sample Cell.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 97 Figure 4-4: IR Window Assembly Note: If the window or the cell interior is very dirty, gently wipe it using a soft cloth moistened with absolute alcohol.
Maintenance Model 7600 Teledyne Analytical Instruments 98 Figure 4-5: Detector Secure Nut 5. Using the furnished cell m ounting tool, turn the window fixture to the left and remove it from the cell.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 99 Figure 4-6: Cell Block Assembly 4.4 Optical Zero Adjustment If the following operation is not performed correctly, subsequent analysis may adversely be affected. This operation should be performed by a trained technician or the unit sent back to the factory for service.
Maintenance Model 7600 Teledyne Analytical Instruments 100 introduced directly to the inlet of analy zer unit through the gas cylinder. 3. Proceed to an optical adjustment as described in the maintenance mode. The display on the operation panel of the main unit is illustrate d in Figure 4-7.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 101 Where: “Main” is signal input value from th e main detector of each component. “Comp” is signal input value from in terference compensation detector of each component. If low range exceeds the range of 0 to 10 vol %, detector signal of “comp” is not usable.
Maintenance Model 7600 Teledyne Analytical Instruments 102 Figure 4-9: Beam Adjustment Plate 8. Move the beam adjustment plate sidewise to change the value displayed at (c) or (g). 9. Move the beam adjustment plate sidewise to change the value displayed at (d) or (h).
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 103 operation should be performed by a trained technician or the unit sent back to the factory for service. Perform an adjustment if excessi vely (beyond ±2% FS) affected by moisture inteference.
Maintenance Model 7600 Teledyne Analytical Instruments 104 close to 0 as possible), and then press the ENT key to save the value. Alternatively, by sele cting the “ALL”option and pressing the “ ENT ” key, you can zero all components at once. You can abort the process at any time by pressing the “ ESC ” key.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 105 Error Display Error Contents Probable Cause Error No.5 Amount of zero calibration (indication value) is over 50% of full scale. • Zero is deflected much due to dirty cell. • Detector is faulty.
Maintenance Model 7600 Teledyne Analytical Instruments 106 Pressing ENT displays the error contents screen which describes the error, indicates what channel or component is affected and suggests probable causes for the error. If the ESC key is pressed without removing the cause of an error, the error will be displayed again.
Infrared Gas Analyzer Maintenance Teledyne Analytical Instruments 107 Figure 4-11: The Error Log Screen If the power supply is tu rned OFF, the contents in the error log file will not be lost or damaged. 4.6.3 Deleting Error Hstory Press the ENT key on the above sc reen, and the “Error Log Clear” will be inverted.
Maintenance Model 7600 Teledyne Analytical Instruments 108.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 109 Appendix A.1 SPECIFICA TIONS General Specifications Standard specifications Measurable components: Max.
Appendix Model 7600 Teledyne Analytical Instruments 110 Analog Output: 12 points max. 4 to 20 mA DC or 0 to 1V DC, non- isolated output max.load 550 Ω for 4 to 20 mA DC min.load 100k Ω for 0 to 1VDC Analog Input: 0 to 1V DC non-isolated input from externally installed Zirconia type O 2 sensor.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 111 Operating conditions: Ambient temperature: -5°C to 45°C Ambient humidity: 90% RH max., non- condensing Storage Conditions: Ambient temperature: -20°C to 60°C Ambient humidity: 100% RH max.
Appendix Model 7600 Teledyne Analytical Instruments 112 are short-circuited. Indication of instanta- neous values will not be held. Range switching: Range switching is available in manual, auto, and remote modes. Only preset switch method is effective.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 113 will be carried out with the soleno id valve drive contacts for zero calibration and each span calibration turned on/off sequentially at the set auto calibration timing. Auto calibration cycle setting: Auto calibration cyc le is set.
Appendix Model 7600 Teledyne Analytical Instruments 114 Setting is variable within 1 to 99 hours (in increments of 1 hour) or Setting is variab le within 1 to 40 days (in increments of 1 day) Gas flow time setting: The timing for flowing zero gas in auto zero calibration is set.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 115 A.3 Optional Functions O 2 correction: Correction of measured NO, SO 2 and CO gas concentrations into values a t reference O 2 concen.
Appendix Model 7600 Teledyne Analytical Instruments 116 CO concentration peak count alarm: (added only for CO/O 2 measurement) Alarm output turns on according to the pre-set concentration and count. Whenever the instantaneous value of CO exceeds the preset concentration value, count increments.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 117 Response time (90%): 15 sec electrical response. Within 60 seconds including replacement time of sampling gas (with 0.5L/min gas flow rate). Gas replacement time depends on the number of components,and measuring range.
Appendix Model 7600 Teledyne Analytical Instruments 118 A.6 Inst allation Requirement s • Indoor use. Select a place where the equipment does not receive direct sunshine, draf t/rain or radiation from hot substances. If such a place cannot be found, a roof or cover should be prepared for protection.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 119 A.8 T erminal Block Connections.
Appendix Model 7600 Teledyne Analytical Instruments 120 A.9 Description on T erminal Block.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 121.
Appendix Model 7600 Teledyne Analytical Instruments 122.
Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 123.
Appendix Model 7600 Teledyne Analytical Instruments 124.
Infrared Gas Analyzer Index Teledyne Analytical Instruments 125 Index caution sign, iv combustibl e gas warni ng, xi copyright, ii figures listing, ix instasllation checklist, 33 leak check, 33 manual.
Index Model 7600 Teledyne Analytical Instruments 126.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Teledyne 7600 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Teledyne 7600 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Teledyne 7600, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Teledyne 7600 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Teledyne 7600, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Teledyne 7600.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Teledyne 7600. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Teledyne 7600 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
