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248083310-1 Rev 3 6-1
6 Maintenance
Procedures
This Chapter provides procedures to perform to maintain the REMOTE
’PN’ instruments.
Safety Before performing any of the maintenance tasks described in this
chapter, review the safety warnings supplied throughout this manual.
Calibration To maintain optimum performance of this instrument, it should be
recalibrated annually by a Lighthouse Authorized Service Provider.
Exterior
Cleaning
This procedure may be superceded by customer requirements;
however, not not under any circumstances apply Acetone to the
REMOTE ’PN’ instrument.
1. To keep the interior of the laser sensor clean, remove the
isokinetic probe or tubing from the air inlet, as needed, and install
the protective plastic cap supplied with the instrument.
2. Moisten a lint-free cloth with isopropyl alcohol. The cloth should
be moist, not wet.
3. Wipe down the exterior surfaces of the instrument.
Purge Test 1. Connect the Purge filter to the sample inlet. The purge filter
should be a 0.1 micron 0.1 CFM, 1.0 CFM or 2.0 CFM filter, as
appropriate for the instrument. Using a filter that does not match
the instrument rated flow may damage the filter, the instrument
or both.
2. Apply power to the instrument.
3. Configure the unit via the user interface to sample for 30 minutes.
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