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Teledyne Analytical Instruments 7600ZA Operating Instructions Manual

Ndir infrared gas analyzer
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Use and Disclosure of Data
Information contained herein is classified as EAR99 under the
U.S. Export Administration Regulations.
Export, reexport or diversion contrary to U.S. law is prohibited.
OPERATING INSTRUCTIONS FOR
Model 7600ZA
NDIR Infrared Gas Analyzer
Toxic gases and or flammable liquids may be present in this monitoring system.
Personal protective equipment may be required when servicing this instrument.
Hazardous voltages exist on certain components internally which may persist
for a time even after the power is turned off and disconnected.
Only authorized personnel should conduct maintenance and/or servicing.
Before conducting any maintenance or servicing, consult with authorized
supervisor/manager.
Teledyne Analytical Instruments
DANGER
P/N M7600ZA
10/28/15

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  • Page 1 Use and Disclosure of Data Information contained herein is classified as EAR99 under the U.S. Export Administration Regulations. Export, reexport or diversion contrary to U.S. law is prohibited. OPERATING INSTRUCTIONS FOR Model 7600ZA NDIR Infrared Gas Analyzer P/N M7600ZA 10/28/15 DANGER Toxic gases and or flammable liquids may be present in this monitoring system.
  • Page 2  ...
  • Page 3 Teledyne Analytical Instruments, the manufacturer of this instrument, cannot accept responsibility for conditions beyond its knowledge and control. No statement expressed or implied by this document or any information disseminated by the manufacturer or its agents, is to be construed as a warranty of adequate safety control under the user’s process...
  • Page 4 Consult the factory for additional information for gas analysis not specified at the time of purchase. Instrument Serial Number: _______________________ Built-In External Measurable Fuel Cell Species: ZrO2 Range 1: Range 2: Span Gas 1: Span Gas 2: Zero Gas: Background: Teledyne Analytical Instruments...

  • Page 5: Safety Messages

    Model 7600ZA Safety Messages Your safety and the safety of others is very important. We have provided many important safety messages in this manual. Please read these messages carefully. A safety message alerts you to potential hazards that could hurt you or others.
  • Page 6 Manuals do get lost. Additional manuals can be obtained from Teledyne at the address given in the Appendix. Some of our manuals are available in electronic form via the internet. Please visit our website at: www.teledyne-ai.com. Teledyne Analytical Instruments...
  • Page 7 Model 7600ZA Additional Caution on Safety To operate the analyzer properly, be sure to read “Caution on Safety” carefully. The descriptions listed here provide important information on safety. Be sure to observe them at all times. These safety precautions are classified into 3 levels: “DANGER,”...
  • Page 8 Be sure to turn off the power before DANGER installing wiring. Otherwise, electric shock may result. Be sure to perform protective earth ground connection. Otherwise, electric shock or failure may result. Select a proper wiring material that satisfies Teledyne Analytical Instruments...
  • Page 9 Model 7600ZA the ratings of the instrument. Otherwise, electric shock or fire may result. Be sure to connect a power supply of correct rating. Otherwise, fire may result. Caution on use Be sure to read the instruction manual for reference gases before handling reference...
  • Page 10 Do not use replacement parts other than those specified by the manufacturer. Otherwise, intended performance may not be achieved and accidents or failures may result. Dispose replacement parts such as maintenance parts as incombustibles according to the local waste disposal regulations. Teledyne Analytical Instruments...
  • Page 11 Model 7600ZA [Blank page] Teledyne Analytical Instruments...

  • Page 12: List Of Figures

    3.4.2 Sample Gas Flow 3.4.3 Preparation of Standard Gas 3.4.4 Internal Purging of the Instrument Housing 3.4.5 Pressure at Sample Outlet 3.4.6 Example Configuration of Sample System 3.5 Electrical Connections Operation ..................25 4.1 Preparation for Operation Teledyne Analytical Instruments...
  • Page 13 Table of Contents Model 7600ZA 4.2 Warm-up Operation and Normal Operation Display And Operation Panels ........... 27 5.1 Front Panel Description 5.2 Overview of Display and Operation Panels 5.3 Outline of Display Screen 5.4 Basic Operation Settings and Calibration ............. 37 6.1 Range Switch...
  • Page 14 Measuring Unit Removal 7.4.2 Cleaning the Sample Cell 7.5 Fuse Replacement 8. Error Messages ............... 95 8.1 Troubleshooting 8.2 Error Log File 9. Specifications ................99 9.1 General Specifications 9.1.1 Standard Specifications 9.1.2 Standard Functions 9.1.3 Optional Functions Teledyne Analytical Instruments xiii...
  • Page 15 Table of Contents Model 7600ZA 9.1.4 Performance 9.1.5 EC Directive Compliance 9.1.6 Requirements for Sample Gas 9.1.7 Installation Requirements 9.2 Measured Components and Range 9.3 Code Symbols 9.4 Outline Diagram Teledyne Analytical Instruments...

  • Page 16: Table Of Contents

    List of Figures Figure 1-1: Model 7600A Infrared Gas Analyzer ......2 Figure 1-2 Model 7600ZA Description..........4 Figure 2-1: Model 7600ZA Front Panel ........... 6 Figure 2-2: Rear Panel ..............7 Figure 7-1: Measuring Unit Configuration (Pipe Cell) ....87 Figure 7-2: Measuring Unit Configuration (Block Cell) ....

  • Page 17: List Of Tables

    Table of Contents Model 7600ZA List of Tables Table 7.1 Maintenance and Check Table........84 Table 8-1: Error Messages............95 Teledyne Analytical Instruments...
  • Page 18 Since the use of this instrument is beyond the control of Teledyne, no responsibility by Teledyne, its affiliates, and agents for damage or injury from misuse or neglect of this equipment is implied or assumed. Teledyne Analytical Instruments xvii...
  • Page 19 Table of Contents Model 7600ZA [Blank page] Teledyne Analytical Instruments xviii...

  • Page 20: Main Features Of The Analyzer

    Lambert-Beer law. In addition to the infrared analyzer, the Model 7600ZA can be fitted with a built-in compact paramagnetic O sensor or use an external zirconia oxygen sensor to increase to 5 the number of simultaneous component species this unit can analyze.

  • Page 21: Figure 1-1: Model 7600A Infrared Gas Analyzer

    Introduction Model 7600ZA Figure 1-1: Model 7600A Infrared Gas Analyzer  Simultaneous measurement of up to five components  Excellent long-term stability  Large, easy to read LCD display showing all simultaneous measurements and computations  Steel case with slide-out, chassis design to facilitate any...

  • Page 22: Options Available

    Consult factory for more detail for this function. 1.4 Applications The Model 7600ZA Infrared Gas Analyzer is a versatile analytical instrument tool and is ideally suited for multi-parameter gas analysis requirements for applications such as:  Combustion control within the power, pulp and paper, steel, and cement industries ...

  • Page 23: Figure 1-2 Model 7600Za Description

     Research applications Figure 1-2 Model 7600ZA Description Gas connections for the 7600ZA instrument are made on the rear panel of the instrument using the installed 1/4” NPT fittings. The standard instrument has two measuring units and a pair of inlet/outlet gas connections exist for each unit.

  • Page 24: Confirmation Of Delivered Items

    25 pin D-sub male M2.6x4 mm Instruction Manual M7600ZAXL External Input Connector (1) (P/N R77240N35) (External O2/External Zirconia Sensor as specified) Digital Input Connector (P/N R77256N262) (3 max with the no. of DIO when digital I/O function is specified). Teledyne Analytical Instruments...

  • Page 25: Name And Description Of Analyzer

    Power Supply Cord (1) (when power input is specified) • 2.2 Name and Description of Analyzer The operator interface is shown in Figure 2-1A and the various connections to the instrument are shown in figure 2-1B. Figure 2-1: Model 7600ZA Front Panel Teledyne Analytical Instruments...

  • Page 26: Figure 2-2: Rear Panel

    NDIR Gas Analyzer Items Included with Analyzer Figure 2-2: Rear Panel Teledyne Analytical Instruments...
  • Page 27 Items Included with Analyzer Model 7600ZA [Blank page] Teledyne Analytical Instruments...

  • Page 28: Installation

    NDIR Gas Analyzer Installation Installation Installation of the Model 7600ZA Analyzer includes:  Unpacking  Mounting  Gas connections  Electrical connections  Calibration DANGER: THIS UNIT IS NOT AN EXPLOSION-PROOF INSTRUMENT. DO NOT USE IT IN A PLACE WITH EXPLOSIVE GASES TO PREVENT EXPLOSION, FIRE OR OTHER SERIOUS ACCIDENTS.

  • Page 29: Installation Conditions

    Installation Model 7600ZA 3.1 Installation Conditions To install the analyzer for optimum performance, select a location that meets the following conditions; 1. This instrument is designed for rack mounting in a standard 19” equipment rack. 2. Indoor use only. 3. Vibration-free.
  • Page 30 Pipe connection port fittings are Rc1/4 female thread (or NPT1/4). Piping should be cut as short as possible for optimum response. About 4 mm inner diameter is recommended. • Entry of dust into the instrument may result in poor performance. Use clean tubing and couplings. Teledyne Analytical Instruments...
  • Page 31 OPENED, USE A NEW FERRULE AND CONE TO SECURE A GAS TIGHT SEAL. EACH FITTING MUST BE LEAK CHECKED WHENEVER A CONNECTION HAS BEEN OPENED OR DISTURBED IN ANY MANNER. The internal piping diagram for the Model 7600ZA is shown below. Teledyne Analytical Instruments...
  • Page 32 Optical Unit 1 Optical Unit 2 Components Each None 1-component for NO, CO , CO, CH 2-Components for / CO None / CO 2-Components for NO/CO, NO/SO 3-Components for / CO NO/SO 4-Components for / CO NO/SO Teledyne Analytical Instruments...
  • Page 33 Installation Model 7600ZA 3.4 Sampling 3.4.1 Sample Gas Conditioning 1. Dust from the sampling gas should be completely removed using a filter. For the final stage filter, use a filter that removes dust particles down to 0.3µm. 2. Dew point must be lower than the ambient temperature. If vapor is contained in the sample, dew point should be lowered to 2°C using a dehumidifier.
  • Page 34 3.4.6 Example Configuration of Sample System The following illustrates a typical sample system configuration for five component gas measurement monitoring a combustion exhaust gas from boiler, refuse incinerator, etc. Contact TAI for other system configurations to match your specific application. Teledyne Analytical Instruments...
  • Page 35 Installation Model 7600ZA *1) Moisture must be removed from the sample using an electronic cooler. The moisture concentration should be the same for both reference and sample gas. *2) When measuring NOx in the sample gas, a NO /NO converter is required.

  • Page 36: Electrical Connections

     Select a proper wiring material that satisfies the ratings of the instrument. • Be sure to connect a power supply of correct rating. The power terminal block and external input/output connector are installed on the rear panel. Refer to the diagram below. Teledyne Analytical Instruments...
  • Page 37 Installation Model 7600ZA (1) Power Supply (Standard Terminal 1 to 2) Connect the power supply to the power terminal, and connect the ground wire to the grounding terminal (standard terminal 3). Be sure to provide a protective earth connection. Use solderless terminals (for M4) for connection to the terminals (power and earth).
  • Page 38 The analog output signals of the instrument are not isolated individually. It is recommended to isolate the signals individually to eliminate the interference from unwanted signals or other external interference, especially if the cable exceeds 30 meters or leads to outdoors. Teledyne Analytical Instruments...
  • Page 39 Installation Model 7600ZA (3) O2 Sensor Input: External Input Connector (A/I) Input signal: External zirconia O sensor: Zirconia O sensor signal (Fuji ZFK7 output) External O sensor: 0 to 1 VDC (DC input resistor of 1MW or more) • Used when the external zirconia O sensor or the external O sensor is ordered.
  • Page 40 Connector (DIO 1 to 2) Contact input signal : Voltage is applied from the external 12 to 24 V DC, max 15mA. Photo-coupler isolation (from each DI and ground) Contact capacity : C contact relay output 24V/1A AC/DC resistive load Teledyne Analytical Instruments...
  • Page 41 Installation Model 7600ZA Teledyne Analytical Instruments...
  • Page 42 (5) Communication: RS-485 connector (6) Timing of Contact Output for Calibration 1. Manual calibration: (See “Item 6.8 Calibration” if the analyzer is equipped with the auto calibration feature). Teledyne Analytical Instruments...
  • Page 43 Installation Model 7600ZA 2. Automatic Calibration: (See also Section 6.4: Automatic Calibration Settings) Teledyne Analytical Instruments...

  • Page 44: Preparation For Operation

    4. After the warm-up period, perform the zero/span calibration as described in Section 6.8 Calibration. 5. After calibrating the analyzer, introduce sample gas into the analyzer and allow the lines to purge before accepting the measurement value. Teledyne Analytical Instruments...
  • Page 45 Operation Model 7600ZA [Blank page] Teledyne Analytical Instruments...

  • Page 46: Front Panel Description

    Display and Operation Panels Display And Operation Panels This section describes the display unit and operation panel on the Model 7600ZA as well as the various functions available to the user. 5.1 Front Panel Description Display unit: The measurement screen and the setting items are displayed.
  • Page 47 Display and Operation Panels Model 7600ZA Name Description Name Description (1) MODE key Used to switch the mode. (5) ESC key Used to return to the previous screen or cancel the setting midway. Used to change the selected item (by...
  • Page 48 NDIR Gas Analyzer Display and Operation Panels 5.2 Overview of Display and Operation Panels Teledyne Analytical Instruments...

  • Page 49: Outline Of Display Screen

    Display and Operation Panels Model 7600ZA 5.3 Outline of Display Screen (1) Measurement mode screen (appears when the power is turned on) The measurement screen depends on the number of components. The following screen configuration is shown as an example for NO and (output: 4 channels).
  • Page 50 Also, the measurement range of the average value is the same as for O (2) Setting/Selection Screen The setting/selection screen is configured as shown below: • In the status display area, the current display item is displayed. Teledyne Analytical Instruments...
  • Page 51 Display and Operation Panels Model 7600ZA • In the message display area, messages associated with operation are displayed. • In the setting item and selection item display area, items or values to be set are displayed, as required. To navigate through the fields, move the cursor to any item using the UP, DOWN and SIDE keys.
  • Page 52 NDIR Gas Analyzer Display and Operation Panels Teledyne Analytical Instruments...

  • Page 53: Basic Operation

    Display and Operation Panels Model 7600ZA 5.4 Basic Operation  Measurement mode The measurement mode can display up to 5 channels in a single screen. User mode displays • Switch Ranges • Calibration Parameters • Alarm Setting • Setting of Auto Calibration •...
  • Page 54 Press the UP or DOWN key to move the cursor to the desired function. Select the function by pressing the ENT (ENTER) key. The screen display will change to that of the selected function. Each function is described in Chapter 6. Settings and Calibration. Teledyne Analytical Instruments...
  • Page 55 Display and Operation Panels Model 7600ZA [Blank page] Teledyne Analytical Instruments...

  • Page 56: Settings And Calibration

    5. The selected range switch mode will be highlighted. Press the UP or DOWN key to select the desired mode. 6. Then press the ENT key to confirm the selection. 7. If “MR” is selected, the cursor moves to “Range Switch.” Teledyne Analytical Instruments...
  • Page 57 Settings and Calibration Model 7600ZA 6.1.2 Manual Range Mode The analysis range for the measured component can be switched manually as follows: 1. Select “MR” as range switch mode, and then press the ENT key. 2. Using the UP/DOWN keys, move the cursor to the desired range selection.

  • Page 58: Calibration Setting

    Press the ENT key when the cursor is in the desired field. The first digit of the parameter is highlighted. 4. Enter calibration gas concentration for zero and span. Use the UP or DOWN key to increment or decrement the displayed Teledyne Analytical Instruments...
  • Page 59 Settings and Calibration Model 7600ZA value one digit at a time. When the correct number is displayed for that digit, use the SIDE key to move to the next digit and repeat the increment/decrement process with the UP/DOWN keys. 5. After setting, save the entry by pressing the ENT key.
  • Page 60 Select the Ch (component) on the manual zero calibration screen and then perform the zero calibration.  Setting “at once” In a manual zero calibration, Ch (components) for which “at once” are selected will simultaneously be zero-calibrated. Teledyne Analytical Instruments...
  • Page 61 Settings and Calibration Model 7600ZA Manual Calibration Screen: 6.2.3 Setting the Calibration Range This mode is used to set whether the channels use one or both of the calibration ranges. 1. From the Calibration Parameters screen, select Calibration Range. The following screen appears.
  • Page 62 Range 2: 0 to 500 ppm Ch1: Range 1 and Range 2 are calibrated together Ch2: Only the currently displayed range is calibrated Note: When “both” is selected, the same calibration gas concentration must be used for both ranges. Teledyne Analytical Instruments...
  • Page 63 Settings and Calibration Model 7600ZA 6.2.4 Setting the Component/Range for Auto Calibration In this section you can select the Ch (component) and the range to calibrate on for those components that have the auto ranging (AR) feature enabled. 1. From the User Mode screen select <...
  • Page 64 Ch (component) that have “enable” set in the Auto Calibrations Setting screen. Note: ZERO calibrations for components which have been set to “enable”in the Auto Calibration Settings screen (above) are performed in batch irrespective of the description in “6.2.2 Manual Zero Calibration.” Teledyne Analytical Instruments...

  • Page 65: Alarm Setting

    Settings and Calibration Model 7600ZA 6.3 Alarm Setting 6.3.1 Setting Alarm Parameters The High/Low limit concentration alarms are user adjustable. Five different alarm contact outputs can be used. The setting range is 0-100% full scale for each range. To change the alarm setting, set the alarm ON/OFF setting to OFF, and then change the value.
  • Page 66 L-limit value beforehand, and vice versa for setting the low limit above the high limit. Note: After turning on power, the alarm logic trigger is inactive for 10 minutes. Teledyne Analytical Instruments...
  • Page 67 Settings and Calibration Model 7600ZA When an H-limit alarm occurs, the “H-alarm” message displays in the relevant component field. Other alarm displays are: L-alarm for Low-limit alarm, HH-alarm for high limit alarm, HH-alarm for high-high alarm, and LL-alarm for low-low alarm.
  • Page 68 UP or DOWN key. Then press ENT. 4. Enter numeric values using the UP or DOWN keys. The setting will be saved after pressing the ENT key. Teledyne Analytical Instruments...
  • Page 69 Settings and Calibration Model 7600ZA Description of Setting Items Peak Alarm : ON/OFF of peak alarm Alarm Value : If measuring value exceeds the set alarm value, a peak counter increments by 1 time. Alarm Count : When the alarm value is...
  • Page 70 * The peak alarm counting logic is not performed during the first 10 minutes after the power is turned ON. Releasing peak count alarm To release the peak count alarm, set the peak alarm to OFF. Turning on the peak alarm initiates the count at 0. Teledyne Analytical Instruments...
  • Page 71 Settings and Calibration Model 7600ZA 6.4 Setting Up the Auto Calibration 6.4.1 Auto Calibration Auto calibration is automatically carried out at the time when zero span calibration are set. Before changing the setting of auto calibration, set the auto calibration function to OFF.
  • Page 72 Ex. time sets the output signal hold extension time that follows the completion of calibration. It is valid only when the hold setting is set to “ON.” The Ex. time set here is also the hold extension time used in a manual calibration. Teledyne Analytical Instruments...
  • Page 73 Settings and Calibration Model 7600ZA Auto calibration status contact output is closed during auto calibration (NO side), and is open in other cases. Example: Start Time 12:00 Cycle Flow Time Zero 350 sec 350 sec CH 1 Span CH 2 Span...
  • Page 74 ONLY ONCE 1. In the “Set Auto Cal screen, move the cursor to “Auto Cal Run” using the UP or DOWN key, then press ENT. 2. “Run” is highlighted, displaying a message to confirm the execution of auto Teledyne Analytical Instruments...
  • Page 75 Settings and Calibration Model 7600ZA calibration. Press the ENT key to execute the auto calibration or press the ESC key to cancel. 6.4.2.2 F ORCED STOP OF AUTO CALIBRATION This mode is used to stop the auto calibration forcibly. 1. In the “Set Auto Cal” screens point the cursor to “Auto Calibration Stop”...
  • Page 76 NDIR Gas Analyzer Settings and Calibration When the key lock is ON, the “Auto Calibration Stop” is locked out as well. To stop “Auto Calibration” forcedly, set the key lock to OFF and then execute “Auto Calibration Stop.” Teledyne Analytical Instruments...
  • Page 77 Settings and Calibration Model 7600ZA 6.5 Setting Auto Zero Calibration 6.5.1 Auto Zero Calibration Zero calibration can be performed automatically using the settings applied in this screen. The channels for which auto calibration is to be performed are determined by the auto calibration settings described in Section 6.2.4.
  • Page 78 Example Start Time 12:00 Cycle hour Flow Time ON/OFF For an auto zero calibration using the above settings: In this example, Ch1 through Ch5 are enabled, as shown in Section 6.2.4 “Setting the Component/Range for Auto Calibration. Teledyne Analytical Instruments...
  • Page 79 Settings and Calibration Model 7600ZA Setting the Range Cycle 1 to 99 hours or 1to 40 days (default: 7 days) Flow Time 60 to 900 sec (default: 300 sec.) Caution: When an auto zero calibration starts, the measurement screen automatically appears.
  • Page 80 Press the ENT key to stop the auto zero calibration and the ESC key to cancel (not stopped). Auto Zero Calibration Screen Example With Ch1 and Ch2 set to enable for auto calibration (see Section 6.2.4): Teledyne Analytical Instruments...
  • Page 81 Settings and Calibration Model 7600ZA • Zero calibration A message, “Zero cal.” blinks at Ch1 and Ch2. Caution: During auto zero calibration, the only key operations allowed are key lock ON/OFF and “Auto Zero Calibration Stop.” When the key lock is set at ON, even the “Auto Zero Calibration Stop”...

  • Page 82: Parameter Setting

    Section 6.7. 1. Enter the “Parameter Setting” screen from the user mode, and the display shown at right appears. Use the UP or DOWN key to move the cursor to the desired item and then press ENT. Teledyne Analytical Instruments...
  • Page 83 Settings and Calibration Model 7600ZA 2. In the “Parameter Setting” screen that appears, perform the value entry or the setting. For the value entry or setting change, use the UP or DOWN key, and the SIDE key to move the cursor to the right.
  • Page 84 NDIR Gas Analyzer Settings and Calibration Manual Calibration Auto Calibration Remote Hold Teledyne Analytical Instruments...
  • Page 85 Settings and Calibration Model 7600ZA Screen Display During Holding A “Hold ON” message will blink on the measuring screen during a hold period. But during a manual calibration, the screen displays the process of calibration, therefore a “Hold ON” message will not...
  • Page 86 10% FS is selected as hold setting, the output equivalent to 100 ppm is held irrespective of the measured value at that time. 7. Press the ESC key to return to the parameter setting screen. Teledyne Analytical Instruments...
  • Page 87 Settings and Calibration Model 7600ZA Setting Description • The instantaneous measurement value that is displayed cannot be held. (Output only can be held.) • Optional modbus communications “Measurement concentration” register values are held. • If set value is selected for hold, instantaneous O correction value is calculated and held based on the set value.
  • Page 88 Backlight Timer Automatic OFF setting of the backlight of the LCD unit is user adjustable. When the specified time elapses during measurement screen display, the backlight automatically switches off. Pressing any key will turn the backlight back ON. Teledyne Analytical Instruments...
  • Page 89 Settings and Calibration Model 7600ZA On the Parameters screen, when ON is selected for the Backlight Timer function, the time until auto OFF will also display. Press the SIDE key when ON is highlighted and the time setting can be changed.

  • Page 90: Maintenance Mode

    Mode item selection screen from each screen. 6.7.1 Sensor Input Value screen There are 5 possible inputs on the Model 7600ZA: 1. Input 1 to 4 : NDIR sensor digital value 2. Input 5 : O2 sensor digital value Teledyne Analytical Instruments...
  • Page 91 Settings and Calibration Model 7600ZA 6.7.2 Error Log screen This screen displays the error history and logs the last 14 instrument errors. See Section 8.1 Error Message for specific information regarding error number and its meaning. To clear an error from the log, select Clear Error Log and press the ENT key.
  • Page 92 3. On completion of the adjustment, press ENT to save the adjustment. Caution: Be sure to perform zero / span calibration when the range setting is changed. Otherwise, the measurement value may not be output properly. Teledyne Analytical Instruments...
  • Page 93 Settings and Calibration Model 7600ZA 6.7.5 Other Parameter The Other Parameter screen hosts 5 user settable functions: • Password Setting • Reference Value Range: 00 to 19% • Reference Value Limit Range: 01 to 20% • Station Number Range: 00 to 32 •...
  • Page 94 UP or DOWN key, and then press ENT. 2. Move the cursor to the Ch (component) whose setting is to be changed using the UP or DOWN key, and then press ENT. Teledyne Analytical Instruments...
  • Page 95 Settings and Calibration Model 7600ZA 3. Move the cursor to the item whose setting is to be changed using the UP or DOWN key, and then press ENT. The value for range 1 and range 2 must fall within the MIN and the MAX...
  • Page 96 The combined interval of switch time and measure time is the total flow time which is also displayed on the screen. The switch time is the flow period established by the user for purging the line. Use the UP/DOWN key to Teledyne Analytical Instruments...
  • Page 97 Settings and Calibration Model 7600ZA select the item to be changed and then Press ENT. Use the SIDE key to increment the value (maximum 30 sec. for switching or measuring time) and when the appropriate time displays, press ENT again. This places the value into memory.
  • Page 98 UP/DOWN keys. Press the ENT key to move to the specific interference compensation value. Use the SIDE Key to alter the value and then press ENT again to save the new value. Teledyne Analytical Instruments...
  • Page 99 Settings and Calibration Model 7600ZA 6.8 Calibration 6.8.1 Zero Calibration This function is used for the zero point adjustment. A proper zero gas, suitable for the application, should be used. Refer to section 3.4 “Sampling”. 1. From the Measurement screen, press the ZERO key to display the Manual Zero Calibration screen.
  • Page 100 Settings and Calibration 6.8.2 Span Calibration The Model 7600ZA requires periodic span calibration at or near the full scale value on the range of interest. It requires a prepared standard gas containing a known concentration of the measured species. For span...
  • Page 101 Settings and Calibration Model 7600ZA 3. Wait until the indication is stable. After the indication has stabilized, press ENT. Span calibration on the selected range will be performed. Note: On channels for which “AR” (auto ranging) is enabled (See Section “6.1.1) the cursor...

  • Page 102: Maintenance

    1. Sample and purge gas flow rates are as follows: Sample gas flow : 1.0 L/min ± 0.2L/min Purge gas flow : About 1L/min 2. Instrument checks and maintenance should be carried out every day, as required. Teledyne Analytical Instruments...

  • Page 103: Daily Check And Maintenance Procedures

    Maintenance Model 7600ZA 7.2 Daily Check And Maintenance Procedures Table 7.1 Maintenance and Check Table 7.3 Long Term Maintenance Create a long-term maintenance component procurement plan based on the “Gas analyzer annual inspection plan” indicated below. Gas Analyzer Annual Inspection Plan The recommended replacement period of components varies depending on the installation conditions.
  • Page 104 , 0 to 2000 ppm CO, 5% to 15% CO , 0% to 21%O , 0 to 100 ppm HCl, residue N Please consult TAI Customer Service regarding gas analyzer maintenance service requirements. Annual Inspection Plan Sheet Teledyne Analytical Instruments...

  • Page 105: Cleaning The Sample Cell

    Maintenance Model 7600ZA 7.4 Cleaning the Sample Cell Entry of dust or water in the sampling cell contaminates the interior of the cell resulting in drift. If dirty or contaminated, it must be cleaned. Check the sampling device, especially the filter, to prevent the cell from being dust or mist contamination.

  • Page 106: Figure 7-1: Measuring Unit Configuration (Pipe Cell)

    NDIR Gas Analyzer Maintenance Figure 7-1: Measuring Unit Configuration (Pipe Cell) Teledyne Analytical Instruments...
  • Page 107 Maintenance Model 7600ZA 7.4.1.2 B . 7-2) LOCK EMOVAL 1) For Steps 1) to 4), see 7.4.1. 1. How to remove pipe cell. Disconnect and remove detector output cables from detector output circuit board (No.12). Applying an identification mark on top of the removed cable connector will ensure proper pin assignment later.

  • Page 108: Figure 7-2: Measuring Unit Configuration (Block Cell)

    NDIR Gas Analyzer Maintenance Figure 7-2: Measuring Unit Configuration (Block Cell) Teledyne Analytical Instruments...
  • Page 109 Maintenance Model 7600ZA 7.4.1.3 M EASURING EMOVAL Refer to Figure 7-3. 1) For Steps 1) to 4), see 7.4.1. 1. How to remove pipe cell. Disconnect and remove detector output cables from detector output circuit board (No.12). Applying identification mark on top of removed cable connector will ensure proper pin as- signment later.
  • Page 110 NDIR Gas Analyzer Maintenance Figure 7-3: Configuration of Measurment Unit for 2 Cell Analyzers Teledyne Analytical Instruments...

  • Page 111: Fuse Replacement

    Maintenance Model 7600ZA 7.4.2 Cleaning the Sample Cell 1. To clean the sample cell or IR transmission window, first clear away any dirt using a soft brush and then lightly wipe using a soft cloth. Do not use abrasive or paper towels.
  • Page 112 Remove the blown fuse from the holder and replace it with a new one (250VAC/2A, Slo-Blo). 3. Reinstall the fuse holder cap, turn ON the power supply switch. The analyzer will power up normally. Teledyne Analytical Instruments...
  • Page 113 Maintenance Model 7600ZA [Blank page] Teledyne Analytical Instruments...

  • Page 114: Error Messages

    Table 8-1: Error Messages When errors No. 1 to No. 3 and No. 10 occur, analyzing block error contact output closes. When errors No. 4 to No. 9 occur, the calibration error contact output closes. Teledyne Analytical Instruments...
  • Page 115 Error Messages Model 7600ZA 8.1 Troubleshooting When error No. 1 occurs, remove the top cover of the analyzer and check the LED on the light source PCB. If the LED is off, then the error is caused by a light source disconnection.
  • Page 116 NDIR Gas Analyzer Error Messages For errors 5 and 7: Teledyne Analytical Instruments...
  • Page 117 Error Messages Model 7600ZA 8.2 Error Log File When an error occurs, the history is saved in an error log file. The error log file is accessible in the maintenance mode. Error Log Screen * Up to 14 errors can be saved in the error history; the oldest error will be deleted one by one every time a new error occurs.

  • Page 118: General Specifications

    Max Range 0-50 ppm 0-5000 ppm 0-50 ppm 0-5000 ppm 0-50 ppm 0-25% 0-50 ppm 0-5000 ppm (built in) 0-10 vol.% 0-25 vol.% Fuel Cell 0-5 vol.% 0-100 vol.% (built in) Paramag. 0-5 vol.% 0-25 vol.% External Zirconia Teledyne Analytical Instruments...
  • Page 119 Specifications Model 7600ZA Max. 5 components measurement including O Measuring range ratio max. 1:10 (except User adjustable ranges between the specified minimum and maximum range. Settable one range or two ranges, low range (Range 1) and high range (Range 2).
  • Page 120 Voltage rating: 100V to 240V AC Power Supply: Allowable range: 85V to 264V AC Frequency: 50Hz/60Hz Power consumption: 100VA max. Operating Conditions: Ambient temperature: -5˚C to 45˚C Ambient humidity: 90% RH max., non-condensing Teledyne Analytical Instruments...
  • Page 121 Specifications Model 7600ZA Storage Conditions: Ambient temperature: -20˚C to 60˚C Ambient humidity: 100% RH max., non-condensing Dimensions (H × W × D): 133 x 483 x 382mm Mass: 13 kg max.(approx.) Front panel; Cool gray (PANTON 1C-F) Finish Color: teel casing, for indoor use...
  • Page 122 * The switch range values are settable between the first range and second range values (low/high range values). Digital Communication: RS-485 (9-pin D-sub connector) Half-duplex bit serial Start/Stop synchronization MODBUS RTU™ protocol Teledyne Analytical Instruments...
  • Page 123 Specifications Model 7600ZA Contents: Read/Write parameters Read measurement concentration and instrument status Remark: When connecting via RS232C interface, an RS-232C to RS- 485 converter should be used. 9.1.3 Optional Functions Remote Output Holding: Output signal is held at the last value or preset value by a voltage input to the remote output holding input terminals.
  • Page 124 No. 1, 2, 3 or 10 occurs. Calibration Error Contact Output: Contacts turn on if a manual or auto calibration error occurs. (Err # 4-9). Auto Cal Status Contact Outputs: Contacts turn on during auto calibration. Teledyne Analytical Instruments...
  • Page 125 Specifications Model 7600ZA Correction for measured NO, SO and CO O2 Correction: gas concentrations with reference O concentration is given by:     Correction formula: C : Sample gas concentration after O correction. Cs : Measured concentration of sample gas.
  • Page 126 (for use, exhaust port of analyzer must be at atmospheric pressure. After atmospheric pressure correction: Zero point: Not affected. Span point: Change is 0.5% measured value or less relative to a 1% change in atmospheric pressure. Correction range: 700kPa-1050kPa Teledyne Analytical Instruments...
  • Page 127 Specifications Model 7600ZA 9.1.4 Performance Repeatability: ±0.5% of full scale Linearity: ±1% of full scale prior to atmospheric pressure correction (option) Zero drift: ±0.5% of full scale/week. ±2.0% of full scale/week (O sensor) Span drift: ±2.0% of full scale/week Response time (for 90% FS response): 30 seconds or better.
  • Page 128 1 ppm or less Standard gas for calibration: Zero gas: Dry N Span gas ; Each sample gas having concentration 90 to 100% of its measuring range recommended). For external zirconia O sensor use the same calibration gas line: Teledyne Analytical Instruments...
  • Page 129 Specifications Model 7600ZA Zero gas ; Dry air or atmospheric air (Do not use with CO measurement) Span gas ; For other than O measurement, each sample gas having concentration 90 to 100% of its measuring range. For O measurement, O...

  • Page 130: Figure 7-3: Configuration Of Measurment Unit For 2 Cell Analyzers91 Table 1: Availablitiy Check Table

    Greater than 2 Coponents: The 2nd range in the tables below for 2 or more compontents is the maximum available range. Select the 2nd range to be less than or equal to the 2nd range(max). Table 1: Availablitiy Check Table Teledyne Analytical Instruments...
  • Page 131 Specifications Model 7600ZA Teledyne Analytical Instruments...
  • Page 132 NDIR Gas Analyzer Specifications Teledyne Analytical Instruments...
  • Page 133 Specifications Model 7600ZA Teledyne Analytical Instruments...
  • Page 134 NDIR Gas Analyzer Specifications Table 2: Channel No. and Display/Outputs Comparison Teledyne Analytical Instruments...
  • Page 135 Specifications Model 7600ZA 9.3 Code Symbols Teledyne Analytical Instruments...
  • Page 136 NDIR Gas Analyzer Specifications Teledyne Analytical Instruments...
  • Page 137 Specifications Model 7600ZA 9.4 Outline Diagram Teledyne Analytical Instruments...

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