Varian 948, Operation And Service Manual

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Models 947, 948 and 960 Leak Detectors Operations and Service Manual
List of Tables
Table Description Page
2-1 Valve Operation ................................................................................................................. 2-3
2-2 J120 Input Connections ..................................................................................................... 2-6
2-3 J121 Output Summary ....................................................................................................... 2-7
2-4 J123 Pinout Summary........................................................................................................ 2-8
3-1 NOT READY Condition Codes ........................................................................................ 3-11
4-1 Scheduled Maintenance .................................................................................................... 4-3
4-2 As-Required Maintenance ................................................................................................. 4-4
4-3 Tools and Parts Required for Spectrometer Tube Overhaul............................................ 4-11
4-4 Exchange Assembly Parts ............................................................................................... 4-35
4-5 Replacement Parts .......................................................................................................... 4-35
5-1 Error Condition Codes ....................................................................................................... 5-2
5-2 Troubleshooting ................................................................................................................. 5-3
C-1 Internal Operating Parameters .......................................................................................... C-2
C-2 Non-volatile Operating Parameters ................................................................................... C-5
C-3 Spectrometer Operating Parameters ................................................................................ C-6
C-4 Command Parameters for Leak Detection Actions ........................................................... C-7
D-1 Service Serial Interface (J1) .............................................................................................. D-1
D-2 Optional Discrete I/O Parallel Interface (J120) ................................................................. D-1
D-3 Optional BCD Discrete Output Parallel Interface (J121) ................................................... D-3
D-4 Optional Interface (J122) for Optional Universal Remote Control ..................................... D-4
D-5 Optional Host Serial Port RS-232 Interface (J123) ........................................................... D-4
E-1 947/948/960 Specifications ................................................................................................E-1
E-2 947/948/960 Model Types and Part Numbers ...................................................................E-3
F-1 947/948/960 Accessories ................................................................................................... F-1
G-1 Decimal Notation ............................................................................................................... G-2