Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 14)

Toc-5
IM 11M12A01-04E
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 ......................................................................10-7
10.3 Initialization Procedure ..................................................................................10-8
10.4 Reset .................................................................................................................10-9
10.5 Handling of the ZO21S Standard Gas Unit .................................................10-16
10.5.1
Standard Gas Unit Component Identification ................................10-16
10.5.2 Installing Gas Cylinders .................................................................10-16
10.5.3 Calibration Gas Flow ......................................................................10-17
10.6 Methods of Operating Valves in the ZA8F Flow Setting Unit ...................10-19
10.6.1
Preparation Before Calibration ......................................................10-19
10.6.2 Operating the Span Gas Flow Setting Valve .................................10-19
10.6.3 Operating the Zero Gas Flow Setting Valve ..................................10-19
10.6.4 Treatment After Calibration ............................................................10-20
11. Inspection and Maintenance ................................................................. 11-1
11.1 Inspection and Maintenance of the Detector ............................................... 11-1
11.1.1
Cleaning the Calibration Gas Tube .................................................. 11-1
11.1.2 Replacing the Sensor Assembly ...................................................... 11-2
11.1.3 Replacement of the Heater Assembly ............................................. 11-4
11.1.4 Replacement of Dust Filter .............................................................. 11-6
11.1.5 Replacement of O-ring ..................................................................... 11-6
11.1.6 Stopping and Re-starting Operation ................................................ 11-6