Operating in Electron Ionization (EI) Mode 3
5975/5977 Series MSD Operation Manual 67
Set MS Analyzer Temperatures
Setpoints for the MSD ion source and mass filter (quad) temperatures are
stored in the current tune (*.u) file. When a method is loaded, the setpoints in
the tune file associated with that method are downloaded automatically.
1 Enable Tune Control and click Manual Tune > Parameters.
2 Enter the Source temp (°C) and Quad temp (°C) (mass filter).
The GC/MSD interface, ion source, and quadrupole heated zones interact.
The analyzer heaters may not be able to accurately control temperatures if
the setpoint for one zone is much different from that of an adjacent zone.
3 Click Download tune file to download these temperature setpoints to the MS
and change the current control temperatures to these values.
4 Click Save the tune parameters to make these temperature settings part of
this tune file or click Save tune file as to create a new tune file with these
values.
5 Run an autotune if you want these new temperatures in an autotune file.
CAUTION
Do not exceed 200 °C for the quadrupole or 350 °C for the source.
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