
Chromatogram View
User Guide | 3 7
Table 1. Trace Definitions
Trace Module Explanation
UV 1–4 Single-Wavelength UV
and Multi-Wavelength
UV/Vis Detectors
UV — with Single-Wavelength UV module, a
reading of absorbance
MV — with Multi-Wavelength UV/Vis module, up
to four r
eadings ( 1–4)
Conductivity Single-Wavelength UV
and Multi-W
avelength
UV/Vis Detectors
The conductivity of the fluid, read by the
conductivity monitor (mS/cm)
%B Theoretical System Pump Programmed by the user in the method or in the
System Pump dialog box
Gradient, system pump: % of pump B
Gradient, blending valve: % of valve Q4
Buffer blending: % of valve Q4
pH Theoretical pH Theoretical pH, as programmed in the method or
System Pump dialog box. A
vailable only with the
buffer blending valve in buffer blending mode
pH pH The measure of pH read from the pH probe,
available only when a pH valve is pr
esent
System
Pr
essure
System Pump Measured at the mixer (psi or MPa)
PreCol Pressure Column Switching Valve Available when at least one column switching
valve is pr
esent
Tip: When two or mor
e column switching
valves are present, the traces appear in
different shades of green on the
chromatogram. The trace number
corresponds to the valve number in the fluidic
scheme. For example, PreCol Pressure 1 in
the legend and the chromatogram
corresponds to C1 in the fluidic scheme.
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