Specifications

4-1
SRS Residual Gas Analyzer
Chapter 4
RGA Electronics Control Unit
This chapter describes the most important features of the RGA Electronics Control Unit.
In This Chapter
Introduction ............................................................................................................................................. 4-2
Front Panel .............................................................................................................................................. 4-3
Rear Panel ............................................................................................................................................... 4-4
+24VDC@2.5A Connector .......................................................................................................... 4-4
RS232/DCE/28.8k Connector ..................................................................................................... 4-5
LED’s............................................................................................................................................ 4-5
Locking Knobs ............................................................................................................................ 4-5
Power entry module (Option 02) ............................................................................................... 4-5
LED Functionality ....................................................................................................................... 4-6
STATUS (Green) LED’s .......................................................................................................... 4-6
ERROR (Red) LED’s ..............................................................................................................4-7
Electrometer ............................................................................................................................................ 4-8
Detection limit vs. scan rate ...................................................................................................... 4-8
Adjusting the Zero of the Ion Detector ..................................................................................... 4-9
Mass Filter Power Supply .................................................................................................................... 4-10
Maintenance and Service..................................................................................................................... 4-11