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Generation 3 Pace Tech electronics box for REFIMS. This version
includes additional capabilities for both electrospray and standard
filament-based, electron impact ionization (card on right), fast,
sensitive 2-D detection with a channel electron multiplier (CEM), and RF
amplifiers for up to eight rotating poles (octopole design). The PC/104
card stack resting on top left (normally inside the box, along with the
electron impact ionization card) illustrates how easily we can jump to
OEM designs for field portable applications. Two front panel meters are
included for monitoring detector current (electrometer output) and
electron current on the filament. Small panel lights are to indicate
status of the electron impact ionization filament current and voltage,
CEM detector high voltage, EMCO HV(electrospray mode), RF amplifiers,
synthesizer, and CPU. Front panel switches include program/run mode,
PC/104 stack power and filament power. |
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SOFTWARE APPLICATIONS
In addition to the “Pace Tech SURFER” run program, Pace Tech will soon
provide a MS Windows-based program called “WinSURFER” that will display
acquired spectra and the running conditions of the RFMS system in an
easy-to-use MS Windows format. Spectra are expandable on both vertical
and horizontal axes, and raw frequencies can be rapidly converted to amu
with a mouse click. Known peaks can be used to adjust the amu scaling
by key entry after placing the cursor on the selected peak. Spectrums
can be printed or downloaded to a favorite graphics/spreadsheet program
such as MS Excel or PSI Plot. This program will be a ‘must’ for those
wishing to view their acquired data immediately, whether in the lab or
field. Future useful programs will include a “look up” program that
will access a user library of acquired standard spectra and display
known peak positions and relative intensities within the “WinSURFER”
program. |
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