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WARNING
Multiple hazards. Do not disassemble the instrument for maintenance. If
the internal components must be cleaned or repaired, contact the manufacturer.
CAUTION
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.
Clean the Instrument Exterior
The instrument exterior can be cleaned as needed. To avoid human exposure to potentially
dangerous chemicals, make sure to clean the touchscreen immediately after contact with
chemicals.
IMPORTANT
leave visible moisture on the instrument or touchscreen. Moisture can penetrate the touchscreen and
damage the electronics inside.
1
Put the cap on the sample air intake nozzle to keep contamination out.
2
Spray a mild cleaning solution on a soft cloth. Wipe the outside of the instrument carefully.
3
Use a soft, dry cloth to wipe the touchscreen surface. If needed, moisten the soft cloth with a
mild cleaning solution.
Set the Count to Zero
Do this procedure after unexpectedly high particle counts. This procedure will verify that the
particle counter works correctly and will remove residual particles.
DOC026.53.80202, Edition 7
To prevent damage, do not use an aerosol cleaner or glass cleaner on the touchscreen. Do not
CHAPTER 8
Maintenance
8-1
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