YOKOGAWA ZR202S, User Manual, Page: 16 / 163

Toc-4
IM 11M13A01-04E
<CONTENTS>
9. Calibration ................................................................................................. 9-1
9.1 Calibration Briefs ..............................................................................................9-1
9.1.1 Principle of Measurement ..................................................................9-1
9.1.2 Calibration Gas ..................................................................................9-2
9.1.3 Compensation ....................................................................................9-3
9.1.4
Characteristic Data from a Sensor Measured During Calibration .....9-4
9.2 Calibration Procedures ....................................................................................9-5
9.2.1 Calibration Setting ..............................................................................9-5
9.2.2 Calibration ..........................................................................................9-8
10. Other Functions ...................................................................................... 10-1
10.1 Detailed Display ..............................................................................................10-1
10.1.1 Air Ratio............................................................................................10-3
10.1.2 Cell Temperature ..............................................................................10-3
10.1.3 C. J. Temperature.............................................................................10-3
10.1.4 Amount of Water Vapor in Exhaust Gas ..........................................10-3
10.1.5 Cell Voltage ......................................................................................10-4
10.1.6 Thermocouple Voltage .....................................................................10-4
10.1.7 Cold Junction Voltage ......................................................................10-4
10.1.8 Current Output .................................................................................10-4
10.1.9 Response Time ................................................................................10-5
10.1.10 Cell’s Internal Resistance ...............................................................10-5
10.1.11 Robustness of a Cell .......................................................................10-5
10.1.12 Heater On-Time Ratio .....................................................................10-6
10.1.13 Oxygen Concentration (with time constant) ....................................10-6
10.1.14 Maximum Oxygen Concentration ...................................................10-6
10.1.15 Minimum Oxygen Concentration ....................................................10-6
10.1.16 Average Oxygen Concentration ......................................................10-6
10.1.17 Span and Zero Correction Ratios ...................................................10-6
10.1.18 History of Calibration Time ..............................................................10-7
10.1.19 Time .................................................................................................10-7
10.1.20 Software Revision ...........................................................................10-7
10.2 Operational Data Initialization ......................................................................10-8
10.3 Initialization Procedure ..................................................................................10-9
10.4 Reset ...............................................................................................................10-10
10.5
Handling of the ZO21S Standard Gas Unit .................................................10-17
10.5.1 Standard Gas Unit Component Identification ................................10-17
10.5.2 Installing Gas Cylinders .................................................................10-18
10.5.3 Calibration Gas Flow ......................................................................10-18
10.6 Methods of Operating Valves in the ZA8F Flow Setting Unit ...................10-21
10.6.1 Preparation Before Calibration ......................................................10-21
10.6.2 Operating the Span Gas Flow Setting Valve .................................10-21
10.6.3 Operating the Zero Gas Flow Setting Valve ..................................10-21