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Gasurveyor 700
USER MANUAL
6.4.1 Probe Handle Filter Replacement
Hydrophobic and cotton particulate filters in the probe handle minimise the ingress of water and
dust.
Note: When replacing the hydrophobic filter, you must also replace the dust filter.
To replace the filter(s):
1. Unscrew the probe handle assembly.
2. Remove the cotton particulate filter and discard.
3. Remove the hydrophobic filter.
4. Clean the probe handle to make sure it's free from dirt and water.
5. Fit a new cotton particulate filter.
6. Fit the new hydrophobic filter. The filter's yellow label should face the yellow label on the probe
handle.
7. Reassemble the probe handle.
6.4.2 Inlet Nozzle Dust Filter Replacement
To replace the instrument dust filter:
1. Using a small coin or flat bladed screwdriver, remove the inlet nozzle.
46
Cotton Particulate Filter
Hydrophobic Filter
Probe Handle Assembly
Figure 69: Probe Handle Assembly
Figure 70: Inlet Nozzle Removal
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Revision 3
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