Filament Care - Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual

Filament care

Like the filaments in incandescent light bulbs, the ion source filaments will
eventually burn out. Certain practices will reduce the chance of early failure:
• If you have an optional G3397A Micro-Ion vacuum gauge, use it to verify
• If you are controlling your MSD from the Edit Parameters screen, always
• When setting up data acquisition parameters, set the solvent delay so that
• When the software prompts Override solvent delay? at the beginning of a
• Higher emission current will reduce filament life.
• Higher electron energy will reduce filament life.
• Leaving the filament on for short times (1 minute) during data acquisition
5975 Series MSD Troubleshooting and Maintenance Manual
that the system has an adequate vacuum before turning on the analyzer,
especially after any maintenance was performed.
select MSOff before changing any of the filament parameters.
not
the analyzer will
always
run, select NO.
will reduce filament life.
turn on while the solvent peak is eluting.
7
Analyzer
205