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16
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Replacing the Filter Holder
The filter holder
is structured as shown in the figure below.
As shown in the figure, position the filter, and then attach the filter clamp.
When positioning the quartz fiberglass filter, first place PTFE packing on top of the wire
mesh, followed by the filter, and then more PTFE packing.
PTFE packing does not need to be used if a PTFE filter is used.
Note: Be sure to attach a filter before operating the sampler.
Never operate the equipment if there is no filter inside the filter holder.
Filter clamp
PTFE packing
Filter
PTFE packing
Wiremesh
Filter holder lower section