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HAPSITE ER Operating Manual
12.3 Saturation of the Probe and Probe Line
12.3.0.1 Symptoms
Symptoms of contamination in the probe and probe line include a high continuous
base line with the same or similar identification in Survey Mode. It can also be seen
as a persistent peak in Analyze (GC/MS) Mode.
12.3.0.2 Decontaminate Saturation
1 Remove the probe from HAPSITE ER.
2 Hold the probe and probe line in a “U” shape.
3 Holding the probe, pour methanol from a squeeze bottle into the probe nut.
For safety precautions, wear appropriate PPE according
to the manufacturer’s MSDS.
4 With each end of the probe in a separate hand, move each hand up and down
to allow the methanol to flow through the probe.
5 Empty the methanol remaining in the probe line by tipping one end of the probe
line downward until all of the methanol drains from the probe line. Repeat this
procedure to allow the methanol to flush contaminants from the probe line.
6 Blow out the probe line with nitrogen to remove any residual methanol that may
be left in the probe line. Allow the probe to fully dry.
7 Reattach probe line to HAPSITE ER.
Continue to wear PPE while blowing out probe and be
sure that both ends of the probe are facing away from the
user when blowing out occurs.
12.4 NEG Troubleshooting
A high pressure warning indicates that the on-board NEG and ion pump cannot
maintain appropriate vacuum, and that loading the unit on a Service Module to
re-create the vacuum may be necessary. For instructions on how to load the
instrument onto a service module, please see section 12.5, Attaching HAPSITE to
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