INFICON HAPSITE ER Chemical Identification System - Manual (Page 248)

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HAPSITE ER Operating Manual
Diff(mmu) . . . . . . . . . . . . . . . . . . . . Provides an adjustment to DAC value for
mass peak alignment, if one is needed since
the last mass calibration check. 100 mmu =
0.1 AMU.
Peak% . . . . . . . . . . . . . . . . . . . . . . . Actual peak percentage of reference mass.
Isotope% . . . . . . . . . . . . . . . . . . . . . Percentage of the Carbon 13 isotope peak as
measured against the mass fragment.
Status . . . . . . . . . . . . . . . . . . . . . . . Status of mass peak.
OK . . . . . . . . . . . . . . . . . . . . . . . Within minimum and maximum values.
OK LOW. . . . . . . . . . . . . . . . . . . Outside of minimum value but within
acceptable tolerance.
OK HIGH . . . . . . . . . . . . . . . . . . Outside of maximum value but within
acceptable tolerance.
LOW . . . . . . . . . . . . . . . . . . . . . . Below minimum value; needs adjustment.
HIGH . . . . . . . . . . . . . . . . . . . . . Above maximum value; needs adjustment.
FAILED . . . . . . . . . . . . . . . . . . . Cannot located mass peak within window.
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