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7500ZA
operating instructions
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Troubleshooting
Specs
Install
Error messages
Outline Diagram
Input signal
Password
Error Log screen
Backlight Timer
Code Symbols
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NDIR Gas Analyzer
Specifications
Teledyne Analytical Instruments
105
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Contents
Teledyne Analytical Instruments
Model 7500ZA
Copyright 2014 Teledyne Analytical Instruments
Model 7500ZA
Ndir Gas Analyzer
Specific Model Information
Safety Messages
Ndir Gas Analyzer
Prohibition
Additional Caution on Safety
Vii
Metal or finger. Otherwise, electric shock or
Ndir Gas Analyzer
Table of Contents
Ndir Gas Analyzer Display And Operation Panels
Settings and Calibration
Error Messages
Maintenance
Specifications
Code Symbols 106 Outline Diagram 109
1A Model 7500ZA Front Panel
List of Figures
List of Tables
Combustible GAS Usage
Overview
Introduction
Ndir Gas Analyzer Introduction
Introduction Model 7500ZA
Typical Applications
Confirmation of delivered items
Items included with the Analyzer
Ndir Gas Analyzer Items Included with Analyzer
Items Included with Analyzer Model 7500ZA
Name and Description of Analyzer
1B Model 7500ZA Rear Panel
Ndir Gas Analyzer Operation
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Ndir Gas Analyzer Instalation
Installation
Installation
Installation Conditions
Installation Model 7500ZA
Installation of Analyzer Main Frame
Piping
Installation Model 7500ZA
Measured Optical Bench Components
Sample Gas Conditioning
Sampling
Sample Gas Flow
Preparation of Standard Gas
Pressure at Sample Outlet
Internal Purging of the Instrument Housing
Name Description
Example Configuration of Sample System
Electrical Connections
Teledyne Analytical Instruments
Input signal
O2 Sensor Input External input connector A/I
Installation Model 7500ZA
Teledyne Analytical Instruments
Installation Model 7500ZA Teledyne Analytical Instruments
Ndir Gas Analyzer Instalation
See also .4 Automatic Calibration Settings
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Page
Operation Procedure
Tube and wiring check
Operation
Preparation for operation
Installation Model 7500ZA
Front Panel Description
Display And Operation Panels
Name Description
Display and Operation Panels Model 7500ZA
Overview of Display and Operation Panels
Name Function
Outline of Display Screen
Ndir Gas Analyzer Display and Operation Panels
Teledyne Analytical Instruments
Teledyne Analytical Instruments
User mode displays
∙ Measurement mode
Basic Operation
Range Switch
Settings and Calibration
Ndir Gas Analyzer Settings and Calibration
Setting the Range Switch Mode
Manual Range Mode
Settings and Calibration Model 7500ZA
Range Identification Contacts
Setting the Span Gas Concentration
Calibration Setting
NOx, SO2, CO2, CO, CH4, external and built in O2 sensor
Calibration parameter range of value
External O2 sensor
Reverse Range
Example
Setting the Calibration Range
SO2
Example
Component/Range Selection
Setting the Component/Range for Auto Calibration
Auto Calibration Operation
Setting Alarm Parameters
Alarm setting
ON/OFF
Hysteresis In case of upper limit alarm
Hysteresis Setting
Description of Setting Items
Peak Alarm Setting
Action of Peak Alarm
Settings and Calibration Model 7500ZA Setting Range
Description of Auto Cal Settings
Setting Up the Auto Calibration
Auto Calibration
Gas flow time setting
Setting Range
Forced Run/Stop Of Auto Calibration
Remote Start
Example
Auto Calibration screen
Settings and Calibration Model 7500ZA
Description of Auto Zero Settings
Setting Auto Zero Calibration
Auto Zero Calibration
Auto Calibration Status Relay Contacts
Forced Run/Stop of Auto Zero Calibration
Remote Start
Execution of Auto Zero Calibration only Once
Example
Description of setting items
Parameter Setting
Output Hold
Settings and Calibration Model 7500ZA
Ndir Gas Analyzer Settings and Calibration
Press the ESC key to return to the parameter setting screen
Response time
Setting Description
Average Period
Backlight Timer
Average Value Reset
Contrast
Maintenance Mode
Error Log screen
Maintenance Mode
Sensor Input Value screen
Calibration Log screen
Output Adjustment Screen
Other Parameter
Password Set
O2 ref. Value and Limit
Station No
Range Setting
Zero Calibration
Calibration
Span Calibration
Ndir Gas Analyzer Maintenance
Maintenance
Daily Check
Zero calibration and span calibration
Long Term Maintenance
Daily Check And Maintenance Procedures
Maintenance Model 7500ZA
Gas Analyzer Annual Inspection Plan
Sample gas conditions
Ndir Gas Analyzer Maintenance Installation Conditions
Cleaning the Sample Cell
Measuring Unit Configuration Pipe Cell
Block Cell Removal see FIG
Measuring Unit Configuration Block Cell
Cleaning the Sample Cell
Measuring Unit with 2-Component Block and Pipe Cell
Fuse Replacement
Ndir Gas Analyzer Error Messages
Error Messages
Troubleshooting
Error Messages Model 7500ZA
Typical Error Screen Display
Error Log File
Deleting Error History
Error Log Screen
General Specifications
Specifications
Ndir Gas Analyzer Specifications
Standard Specifications
Specifications Model 7500ZA
Analog Input Signal
Ambient temperature -5˚C to 45˚C
Standard Functions
Optional Functions
Ndir Gas Analyzer Specifications
RS-485 9pins D-sub connector Half-duplex bit serial
Atmospheric Pressure Correction
EC Directive Compliance
Performance
Requirements for Sample Gas
Installation Requirements
Measurable Component and Range Availability Check Table
Specifications Model 7500ZA Teledyne Analytical Instruments
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Code Symbols
107
108
Analyzer main unit Teledyne Analytical Instruments
Outline Diagram
110
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