51 300781172_002_C0 - 01/2019 - © Leybold
Maintenance
11 Maintenance
11.1 Life expectancy of the ion source
Expect to replace the ion source according to the following operating hours.
11.2 Replace consumable components
If "Filament Fault" occurs, filament burnout or contamination of the ion source is
suspected. If FIL1 has burnt out in a model having two filaments, change over the
filament to FIL2. If both filaments have burnt out or if the ion source is severely
contaminated, it is necessary to replace the ion source. Contact your local Leybold
representative.
NOTICE:
Before maintaining the instrument, remove the sensor unit and install a protective
cap to protect the analyzer tube flange.
Emission
current (
μA)
Measurement
pressure (Pa)
Expected lifetime
400 1.0 700 hours (approximately 30 days)
400 0.1 7000 hours (approximately 300 days)
100 1.0 2800 hours (approximately 120 days)
NOTICE:
The life expectancy is based on the length of time that the ion source is exposed
to and varies with the measurement atmosphere. The times given do not imply
a warranted lifetime.
WARNING:
Risk of burns. Before touching the ion source or filament, wait for 30 minutes after
turning off the filament. Parts around the ion source are heated to a high
temperature immediately after the filament is turned off and you may get burned
on contact with the heated part.
CAUTION:
If a foreign object like a metal or combustible object is admitted into the sensor unit,
make sure to remove it. Continuing to use the product with a foreign object inside
it can cause it to fail.
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