Stanford Research Systems RGA100, Operating Manual And Programming Reference

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Appendix C
SRS Residual Gas Analyzer
7
Figure 5 . The Mass Spec Display mode of the PPM100 shows complete RGA Mass
spectra and includes a cursor for fast peak identification.
RGA Control
The PPM100 includes a FILAMENT button on its front panel for manual activation of filament emission
as required for partial pressure measurements. Press the E. MULTIPLIER button at any time to activate
the electron multiplier detector during analog scans. All RGA ionizer settings are easily configured from
the touchscreen/LCD user interface.
Figure 6 . RGA Setup parameters are easily set from the front panel.
Analog I/O Ports
The PPM100 controller has four analog input/output ports. Their range is ±12 V with 14 bit input
resolution and 12-bit output resolution. The update rate is 2 Hz. Each port is individually configurable as
an input or an output for complete I/O flexibility.