If you have purchased the instrument with the MiniPID 2 Lamp (Argon) 11.7eV
(LA4TM700), please take the following into consideration before using the lamp:
1. It is important for the lamps to be stored in their desiccated vials in cool
conditions (15-25°C).
2. The lamps should not be used in:
• Chemically severe environments, i.e. those containing significant
concentrations of acids and strong solvents such as
dichloromethane.
• Conditions of condensing humidity; always pass dry cool air through
the instrument before storage. For long storage periods, remove the
lamp and return it to the desiccated vial.
• Physically severe environments: large temperature changes may
initiate lamp failure.
11.7 eV lamps may not strike / illuminate first time, resulting in a ‘lamp fail’
alarm on the TIGER XT instrument, particularly if the lamps are unused for an
extended period. In case of a lamp fail alarm, please switch the instrument off
and then on again. Several start cycles may be required.
11.7 eV lamps have a relatively short life partly due to the type of lamp window
material. Prolonged exposure to airborne moisture slowly degrades the lamp
window. The lamps should therefore be removed from the TIGER XT and stored
in their desiccated vial when not in use.
11.7 eV lamps have quite different characteristics to the standard 10.6 eV lamps.
Alarms
Select Override Gas Table and input Lower and Upper alarms levels using the arrows or clicking the
box and typing the value. For the gas that is selected these will now be the Lower and Upper alarm
levels. If the gas is changed on the instrument, then the alarm levels will revert to those in the gas
table.
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