Operate
On the MassLynx top-level window, click on
to launch the tune page.
The top line of the tune page indicates the current ionisation mode.
If necessary, change the ionisation mode using the
Ion Mode
command.
Depending on the chosen mode of ionisation, set
Desolvation Temp
or
APcI Probe Temp
to 20°C.
Click on
on the MassLynx tune page.
The instrument goes into the operate mode only if the probe adjustment flange is
in place and a probe is inserted.
On the tune page, press
or select
Gas
,
Gas
to turn on the source and probe
gases.
Set
Desolvation Gas
to a flow of 150 litres/hour and adjust
Nebuliser
to
maximum.
The system is now ready for operation. To obtain an ion beam refer to
Obtaining an
Ion Beam
in either the
Electrospray
or the
Atmospheric Pressure Chemical Ionisation
section.
Automatic Pumping and Vacuum Protection
Overview
The instrument is protected against vacuum system faults due to:
malfunction of the vacuum pumps.
excessive pressure.
excessive temperature.
The pump down sequence is fully automated, a command from the data system
switching on the rotary pump and turbomolecular pumps simultaneously.
Protection
Transient Pressure Trip
If the vacuum gauge detects a pressure surge above the factory set trip level of
10
-3
mbar, and if the instrument is in the operate mode, the following events occur:
The critical source, analyser and detector voltages are switched off.
The
Operate
LED shows a steady amber.
Routine Procedures
Page 42
Quattro Ultima
User's Guide
Summary of Contents for Quattro Ultima
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Page 100: ...Data Acquisition Page 100 Quattro Ultima User s Guide...
Page 117: ...Mass Calibration Page 117 Quattro Ultima User s Guide...
Page 140: ...Mass Calibration Page 140 Quattro Ultima User s Guide...
Page 212: ...Maintenance and Fault Finding Page 212 Quattro Ultima User s Guide...
Page 222: ...Reference Information Page 222 Quattro Ultima User s Guide...
