iv | 303B Moisture Analyzer Manual
Start Up ................................................................................................................3-5
Alarm Setpoint Input .........................................................................................3-5
Sample System Start-Up ...................................................................................3-6
Pressure Vacuum Pump ....................................................................................3-7
Rear Panel ............................................................................................................ 3-7
Interconnection Diagram .................................................................................. 3-8
Grounding Methods ..........................................................................................3-9
System Installation Bubble-O Meter ............................................................. 3-10
Bubble O-Meter Diagram ...............................................................................3-11
Chapter 4 User Interface
Operation ............................................................................................................4-1
Controls and Indicators Table .................................................................... 4-1
Ooperation and Procedure (Checklist) ........................................................... 4-2
Transportation ....................................................................................................4-2
Flow Doublling Technique ................................................................................4-2
Chapter 5 Maintenance
General .................................................................................................................5-1
Moisture Monitor Interior View ................................................................ 5-2
Parts Replacement .......................................................................................5-3
Flow Controller ............................................................................................5-3
Power Supply PC Board .............................................................................5-3
Main AC Fuse ...............................................................................................5-4
Battery ...........................................................................................................5-4
CPU Display Board .....................................................................................5-4
Testing ..................................................................................................................5-5
Leak Test ........................................................................................................ 5-5
Gas Flow Operational Test .........................................................................5-5
Power Supply Voltage Test .........................................................................5-6
Trouble-Shooting ................................................................................................ 5-6
Display and LED Test .................................................................................. 5-7
Flashing LED Positions ...............................................................................5-7
Parameter Settings ....................................................................................... 5-8
Gain ................................................................................................................5-8
Factory A/D Gain .........................................................................................5-9
Trouble-Shooting Chart ............................................................................5-10
Power Supply Board .................................................................................5-12
Chpater 6 Service and Parts
Parts Ordering Information .......................................................................6-1
Parts Lists ......................................................................................................6-2
Accessories ....................................................................................................6-3
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