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HAPSITE Smart Operating Manual
The Tune Control Panel (refer to
) provides access to display individual
mass peak scans by selecting the check box next to the Mass. The measured
intensity and resolution are displayed. The Target Resolution is also displayed and
can be modified. Changing the Target Resolution will force an Auto Resolve.
Decreasing the Target Resolution narrows the peak, increasing the resolution and
lowering the peak percentage. Increasing the Target Resolution will widen the
peak, decreasing the resolution and increasing the peak percentage.
The Emission button turns the filament ON or OFF, the EM button turns the
Electron Multiplier ON or OFF. Green signifies ON and is the default condition when
the Tune window is opened.
7.5.3.1 Tune Parameters
EM Volt
. . . . . . . . . . . . . . . . . . . . . . . Used to increase or decrease the gain of the
system. EM voltage should be set to a value
that achieves a Base Peak Gain of between
0.8 and 2.0.
Emission Current
. . . . . . . . . . . . . . Used to optimize the ionization efficiency of
the ionizer. Emission Current is set to
achieve maximum intensity for mass 117.
Range is 100 - 1000.
Extractor Volt
. . . . . . . . . . . . . . . . . Used to optimize the ionization efficiency of
the ionizer. Extractor Volt is set to achieve
maximum intensity for mass 117. Range is
0 - 100.
Focus Volt
. . . . . . . . . . . . . . . . . . . . Used to optimize the ionization efficiency of
the ionizer. Focus Volt is set to achieve
maximum intensity for mass 117. Range is
-12 to +12.
Threshold
. . . . . . . . . . . . . . . . . . . . One standard deviation of the Baseline.
Threshold determines if a measured point is
used in the peak area integration. If the point
is used, the baseline is subtracted before
use.
Baseline
. . . . . . . . . . . . . . . . . . . . . . The mean value of the measured noise level.
Reverse Rod Polarity
. . . . . . . . . . . Changes the Rod polarity on the Mass filter
and is selected for optimum performance at
mass 117.
TP
. . . . . . . . . . . . . . . . . . . . . . . . . . . The total MS pressure.
Summary of Contents for HAPSITE Smart
Page 1: ...O P E R A T I N G M A N U A L HAPSITE Smart Chemical Identification System IPN 074 397 P1G ...
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