Page 2 - Teledyne Analytical Instruments; PRELIMINARY
2 Model 7500 Instruction Manual Teledyne Analytical Instruments PRELIMINARY We are grateful for your purchase of Teledyne Analytical Instrumentʼs Model 7500 Infrared Gas Analyzer. • First read this instruction manual carefully until an adequate understanding is acquired, and then proceed to installa...
Page 3 - SAFETY PRECAUTIONS
3 Model 7500 Instruction Manual Teledyne Analytical Instruments SAFETY PRECAUTIONS Please read this section carefully to ensure using the analyzer in the correct way. The cautionary descriptions listed here contain important information about safety, so they should always be observed. Those safety p...
Page 6 - CONTENTS
6 Model 7500 Instruction Manual Teledyne Analytical Instruments CONTENTS PREFACE .............................................................................................................................2CAUTION ON SAFETY ..............................................................................
Page 9 - NAME AND DESCRIPTION OF EACH PART; Description of each unit; Name
9 Model 7500 Instruction Manual Teledyne Analytical Instruments 2. NAME AND DESCRIPTION OF EACH PART 2.1 Description of each unit Name Description 1. Handle Draws the analyzer unit from the case. 2. Power switch Turns ON/OFF this analyzer. 3. Switch for back light Turn ON/OFF the back light of displ...
Page 10 - DANGER; CAUTION; Installation conditions
10 Model 7500 Instruction Manual Teledyne Analytical Instruments 3. INSTALLATION DANGER This unit is not explosion-proof type. Do not use it in a place with explosive gases to avoid explosion, fire or other serious accidents. CAUTION • For installation, observe the rule on it given in the instructio...
Page 11 - Installation of analyzer
11 Model 7500 Instruction Manual Teledyne Analytical Instruments 3.2 Installation of analyzer There are two methods of installing the analyzer. For detailed dimensions, see Chapter 9.3. Note: The mounting method should be selected to meet the installation requirements since the top cover must be det...
Page 16 - When a noise source is in the vicinity
16 Model 7500 Instruction Manual Teledyne Analytical Instruments When a noise source is in the vicinity Do not install the analyzer near power noise generating electric equipment (such as high frequency furnace and electric welder). If the analyzer must be used near such equipment, a separate power ...
Page 19 - ) Description on terminal block
19 Model 7500 Instruction Manual Teledyne Analytical Instruments 8) Description on terminal block Terminal block 1 <TN1> Terminal block for analog output (non-isolated output) Output : 4 to 20 mA or 0 to 100V DC Between 1 – 2: CH5 output Between 3 – 4: CH4 output Between 5 – 6: CH3 output Betw...
Page 24 - Preparation for operation
24 Model 7500 Instruction Manual Teledyne Analytical Instruments 4. OPERATION 4.1 Preparation for operation (1) Check of gas sampling tube, exhaust tube and wiring Check that the pipes are correctly connected to the gas sampling port and drain port. Check that the analyzer is correctly wired as spec...
Page 25 - DISPLAY AND OPERATION PANEL; Name and description of operation panel
25 Model 7500 Instruction Manual Teledyne Analytical Instruments 5. DISPLAY AND OPERATION PANEL This section describes the display and operation panel of the gas analyzer. It also explains the name and description of function on the operation panel. See Fig. 5-1. 5.1 Name and description of operatio...
Page 26 - Overview of display and operation panel
26 Model 7500 Instruction Manual Teledyne Analytical Instruments 5.2 Overview of display and operation panel Figure 5.2
Page 27 - Overview of display screen; Instantaneous value and concentration value:
27 Model 7500 Instruction Manual Teledyne Analytical Instruments 5.3 Overview of display screen (1) Measurement mode screen On turning on the power switch, the Measurement Mode screen will appear. The measurement screen depends on the number of components. The following screen configuration shown as...
Page 28 - • O2 correction concentration average value:
28 Model 7500 Instruction Manual Teledyne Analytical Instruments • O2 correction concentration average value: CH (component) where “AV / CV” is displayed as “AV / CV CO” in the component display and O2 average value, a value obtained by averaging O2 conversion concentration value or O2 concentration...
Page 29 - How to view the Table
29 Model 7500 Instruction Manual Teledyne Analytical Instruments (3) Contents of measured channel (CH) The contents in each measured CH corresponding to the type are given below: Type code Contents 5th digit 6th digit 7th digit CH1 CH2 CH3 CH4 CH5 CH6 CH7 Y C Y O2 A Y Y SO2 B Y Y CO D Y Y CO2 E Y Y ...
Page 30 - General operation; • Measurement mode
30 Model 7500 Instruction Manual Teledyne Analytical Instruments 5.4 General operation • Measurement mode The measurement mode can be displayed for up to 5 channels in a single screen. When viewing a channel beyond the 5 channels, press the ( or ) key and the screen can be scrolled one by one channe...
Page 31 - CALIBRATION; Changeover of range; To close Changeover of range
31 Model 7500 Instruction Manual Teledyne Analytical Instruments 6. SETTING AND CALIBRATION 6.1 Changeover of range This mode is used to select the ranges of measured components. 1. During measurement, press the MODE key to display the User mode. 2. Point the cursor to “Changeover of Range”. Press t...
Page 32 - Calibration setting; Setting of calibration concentration
32 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.2 Calibration setting This mode is used to set calibration concentration and actions. The calibration setting involves calibration concentration, zero calibration, calibration range and auto-calibration component. 6.2.1 Setting of ca...
Page 33 - To close the setting
33 Model 7500 Instruction Manual Teledyne Analytical Instruments 5. In the “Calibration Concentration Selection” screen that appears, select any concentration item you want to set by pressing the UP, DOWN, and RIGHT key. Note: Analyzers other than the zirconia O2 instrument cannot perform zero setti...
Page 35 - To close “About ZERO Calibration”
35 Model 7500 Instruction Manual Teledyne Analytical Instruments 5. In the “Manual Calibration Selection” screen that appears, select “At once” or “Each” by pressing the UP or DOWN key. When selecting “Both”, the CH (components) to be set can be zero-calibrated at the same time. When selecting “Each...
Page 37 - To close “Setting of Calibration Range”
37 Model 7500 Instruction Manual Teledyne Analytical Instruments 5. In the “Calibration Selection” screen that appears, select “Both” or “Current” by pressing the UP or DOWN key. • When selecting “both”, Range 1 and Range 2 of the set CH are calibrated together. • When selecting “Current”, the range...
Page 39 - To close Auto Calibration Component setting
39 Model 7500 Instruction Manual Teledyne Analytical Instruments 5. In the “Auto Calibration Selection” screen that appears, select “enable” or “disable” by pressing the UP or DOWN key. After setting, press the ENT key. To close Auto Calibration Component setting To close “Setting of Auto Calibratio...
Page 41 - To close the “Alarm Setting”
41 Model 7500 Instruction Manual Teledyne Analytical Instruments After setting, the alarm setting is now completed by pressing the ENT key. To close the “Alarm Setting” To close the “ Alarm Setting” or to cancel this mode midway, press the ESC key. A previous screen will return. Setting range 0 to 1...
Page 42 - To close Hysteresis Setting; Hysteresis
42 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.3.2 Hysteresis setting To prevent chattering of an alarm output near the alarm setting values, set hysteresis. 1. In the “Alarm Setting CH Selection” screen that appears, point the cursor to “Hysteresis” by pressing the UP or DOWN ke...
Page 43 - Setting of auto calibration; Description of setting items
43 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.4 Setting of auto calibration 6.4.1 Auto calibration Auto calibration is automatically carried out when zero calibration and span calibration are set. Before changing the setting of auto calibration, set the ON/OFF to OFF. 1. During ...
Page 44 - Setting range; Remote start
44 Model 7500 Instruction Manual Teledyne Analytical Instruments Auto calibration status contact output is closed during auto calibration, and is open in other cases. Setting range Cycle: 1 to 99 hours or 1 to 40 days (initial value 7 days) Flow time: 60 to 599 sec (initial value 300sec) CAUTION Whe...
Page 46 - “Auto Calibration” screen
46 Model 7500 Instruction Manual Teledyne Analytical Instruments “Auto Calibration” screen Example In case where setting the auto calibration components (see Item 6.2.4) to “CH1: enable” and “CH2: enable”. • Zero calibration A message, “Zero calibration” blinks at CH1 and CH2. • CH1 span calibration...
Page 47 - Setting of auto zero calibration; To close “Auto Zero Calibration”
47 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.5 Setting of auto zero calibration 6.5.1 Auto zero calibration Auto zero calibration is automatically carried out when zero calibration are set. Components for which a calibration is to be made are determined by setting of auto calib...
Page 48 - Caution
48 Model 7500 Instruction Manual Teledyne Analytical Instruments Auto calibration status contact output is closed during auto zero calibration, and is open in other cases. Setting range Cycle: 1 to 99 hours or 1 to 40 days (initial value 7 days) Flow time: 60 to 599 sec (initial value 300 sec) Cauti...
Page 49 - Forced stop of auto zero calibration
49 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.5.2 Forced stop of auto zero calibration This mode is used to cancel the auto zero calibration forcedly. 1. In the Menu mode that is displayed, point the cursor to “Setting of Auto Zero Calibration” by pressing the UP or DOWN key. Pr...
Page 50 - “Auto Zero Calibration” screen
50 Model 7500 Instruction Manual Teledyne Analytical Instruments “Auto Zero Calibration” screen Example In case where setting the auto calibration components (see Item 6.2.4) to “CH1: enable” and “CH2: enable”. • Zero calibration A message, “Zero calibration” blinks at CH1 and CH2. CAUTION During au...
Page 51 - Peak alarm setting
51 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.6 Peak alarm setting When the number of peaks of which CO concentration exceeds the upper limit value exceeds the setting time, a peak alarm is outputted. This section describes how to perform various settings of peak alarm. Note: Th...
Page 52 - Action of peak alarm; Releasing peak alarm; To release the peak alarm, set the peak alarm to OFF.
52 Model 7500 Instruction Manual Teledyne Analytical Instruments Setting range • Alarm Value: 0 to 1000 ppm 5 ppm step (initial value: 500 ppm) • Alarm Count: 1 to 99 times (initial value: 5 times) • Hysteresis: 0 to 20% of full scale (initial value: 0% of full scale) * The hysteresis setting is mad...
Page 53 - Parameter setting
53 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.7 Parameter setting It allows you to carry out the parameter setting such as time, key lock, etc., as required. Items to be set are as follows: Description of setting items • Current Time: Sets the current day of the week, hour and t...
Page 54 - To close Parameter Setting screen
54 Model 7500 Instruction Manual Teledyne Analytical Instruments 4. In the Parameter Setting screen that appears, enter the numeric values and set the items. Entering the numeric values or setting the items should be carried out by using the or key. To move the cursor to the right, press the key. Af...
Page 55 - Average value reset
55 Model 7500 Instruction Manual Teledyne Analytical Instruments (2) Auto calibration (3) External hold (4) Screen display during holding The “Holding” message blinks on the measuring screen. Since the screen displays the process of calibration is displayed during the manual calibration, “Holding” i...
Page 56 - Average period
56 Model 7500 Instruction Manual Teledyne Analytical Instruments Average period It allows you to set an average period of the average value of O2 correction. It enables you to set an average time of 1 to 59 minutes (1- minute step) or 1 to 4 hours (1-hour step). Changing the setting resets the avera...
Page 57 - • Sensor Input Value screen
57 Model 7500 Instruction Manual Teledyne Analytical Instruments 6.8 Maintenance mode This mode is used for check of sensor input values, display of error log files or setting of passwords. First, enter a password and then use it from the next operation. This mode is displayed by selecting the Maint...
Page 58 - • O2 correction reference value setting screen
58 Model 7500 Instruction Manual Teledyne Analytical Instruments • O2 correction reference value setting screen • Password Setting screen Description of Password Setting screen It enables you to set a password to be used when switching the parameter setting mode to the maintenance mode. Note: The pa...
Page 61 - Daily check and maintenance procedures
61 Model 7500 Instruction Manual Teledyne Analytical Instruments 7. MAINTENANCE 7.1 Daily check (1) Zero calibration and span calibration 1. It is used for zero point adjustment. For calibration, refer to 6.9.1, Zero calibration. 2. After zero calibration, perform span calibration. For calibration, ...
Page 62 - Cleaning of measuring cell; Disassembly and assembly of measuring cell
62 Model 7500 Instruction Manual Teledyne Analytical Instruments 7.3 Cleaning of measuring cell Entry of dust or water drops in the measuring cell contaminates the interior of the cell, thus resulting in a drift. Clean the inside if dirty. Then, check the sampling device, especially the filter, to p...
Page 69 - Deletion of error history
69 Model 7500 Instruction Manual Teledyne Analytical Instruments In case of Error No. 5 and No. 7 (2) Error log file If error occurs, the history is saved in an error log file. The error log file exists in the maintenance mode. * Up to 14 errors can be saved in the error history; the oldest error wi...
Page 76 - Measurable component and range - availability check table -
76 Model 7500 Instruction Manual Teledyne Analytical Instruments Measurable component and range - availability check table -
Page 80 - Appendix; Drawing List
Teledyne Analytical Instruments 80 Model 7500 Instruction Manual Appendix Drawing List D79104 Outline diagram
