
GA-40 T plus
3
CONTENTS
1 INTRODUCTION ....................................................................................................................................7
1.1 USE OF THIS OPERATING MANUAL..........................................................................................7
1.2 SYMBOLS USED ...........................................................................................................................7
2 MAINTENANCE......................................................................................................................................8
2.1 Gas sensors....................................................................................................................................8
2.2 Gas system.....................................................................................................................................8
2.3 Battery...........................................................................................................................................8
2.4 Service intervals.............................................................................................................................8
2.5 Errors during operation.................................................................................................................8
2.6 Switching off after use....................................................................................................................8
3 GENERAL INFORMATION...................................................................................................................10
4 CONSTRUCTION..................................................................................................................................11
4.1 Elements of gas circuit.................................................................................................................11
4.1.1 Gas probe with in-line filter..................................................................................................11
4.1.2 Gas pump .............................................................................................................................11
4.1.3 Gas chamber ........................................................................................................................11
4.2 Measurement system ....................................................................................................................11
4.2.1 Gas sensors ..........................................................................................................................11
4.2.2 Ambient air temperature sensor............................................................................................12
4.2.3 Flue gas temperature sensor.................................................................................................12
4.2.4 Gas chamber temperature sensor..........................................................................................12
4.2.5 Differential pressure sensor..................................................................................................12
4.2.6 Analogue inputs....................................................................................................................12
4.2.7 Analogue outputs..................................................................................................................14
4.3 Data input/output systems............................................................................................................14
4.3.1 Keyboard..............................................................................................................................14
4.3.2 Warning lights......................................................................................................................15
4.3.3 Display.................................................................................................................................15
4.3.4 Printer..................................................................................................................................15
4.3.5 Interface RS 232C ................................................................................................................15
4.4 Power supply ...............................................................................................................................16
5 OPERATION .........................................................................................................................................17
5.1 USE OF THE KEYBOARD ..........................................................................................................17
5.1.1 Description of the keys..........................................................................................................17
5.1.2 Selecting Menu Options........................................................................................................17
5.1.3 Entering Numbers.................................................................................................................18
5.1.4 Editing Text..........................................................................................................................18
5.2 Basic operating instructions.........................................................................................................19
5.2.1 Setting-up the analyser .........................................................................................................19
5.2.2 Switching on.........................................................................................................................19
5.2.3 Switching off / Standby .........................................................................................................19
5.2.4 Initial Calibration ................................................................................................................20
5.2.5 Measurement Parameters .....................................................................................................20
5.2.5.1 Fuel...............................................................................................................................21
5.2.5.2 Average Time ................................................................................................................23
5.2.5.3 Reference Oxygen parameter.........................................................................................23
5.2.5.4 Boiler Parameter...........................................................................................................23
5.2.5.5 Content of NO in NOx...................................................................................................24
5.3 Displaying the measurement results .............................................................................................24
5.3.1 Current Values .....................................................................................................................24
5.3.2 Averaged Values...................................................................................................................25
5.3.3 The Averaging Process .........................................................................................................26
5.4 Pressure/Draft Measurements......................................................................................................26
5.5 Soot (smoke) Contents Measurement............................................................................................27
Komentáře k této Příručce