Figure 3–16: Seating the probe adapter cap
Probe adapter cap seated incorrectly: edge does not align with the edge of the
probe adapter
Probe adapter cap seated correctly: edge aligns with the edge of the probe adapter
Note: If you fit the probe adapter cap when the source enclosure is closed and the mass
spectrometer is in Operate, the high-voltage supply to the probe turns on and the
instrument performs a pressure test. To prevent gas escaping audibly through the probe
adapter, ensure that the instrument is not in Operate mode until a probe assembly is
installed. You must remove the probe adapter cap before installing the probe assembly.
Tip: If you are not immediately connecting the probe assembly to the inlet system, insert
the probe inlet fitting into the inlet fitting holder.
January 10, 2022, 715006200 Ver. 01 (previously released as Rev. A)
Page 59
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