INFICON 3000 Micro GC Gas Analyzer Operating Manual - Manual (Page 220)

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3000 Micro GC Operating Manual
7 Remove the filter from the heater block.
8 Disassemble the trap halves.
9 To prevent potential leaks, wrap pipe thread tape around the filter connector on
the Heated Regulator.
10 Replace the 7 micron filter assembly.
8.5 Portable 3000 Micro GC Operation
Due to its internal carrier gas cylinder and battery, Portable 3000 Micro GC
requires special precautions and handling procedures.
8.5.1 General Information and Cautions of the Portable 3000 Micro GC
WARNING
Never fill Portable 3000 Micro GC internal gas cylinder
with hydrogen. A hydrogen leak inside the Portable
3000 Micro GC can present an explosion hazard.
CAUTION
Portable 3000 Micro GC must not be operated in a vertical
position (on the feet that surround the back panel).
Portable 3000 Micro GC pneumatic valves need to be
positioned horizontally to function properly.
8.5.2 Battery Usage Information
The LED in the front panel switch begins to flash when the battery is about 70%
discharged. This indicates that the battery should be recharged as soon as
possible.
For optimal performance:

Whenever possible, operate Portable 3000 Micro GC with the 15 V (dc) power
supply connected to the power line. This prolongs the life of the internal battery
and minimizes the frequency of recharging.
 Portable 3000 Micro GC is powered from either the internal battery or the
charger. The internal battery will operate the instrument up to two hours,
depending on the application.
 When operating at high temperatures, as when running a bake out or column
conditioning, run 3000 Micro GC from the charger.
 Portable 3000 Micro GC will shut down before the battery is completely
drained.