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How to clean instruments with a recessed lens interface
WARN IN G
Agilent DFB Laser Source Module User's Guide
For instruments with a deeply recessed lens interface (for
example the Agilent 81633A and 81634A Power Sensors) do NOT
follow this procedure. Alcohol and compressed air could damage
your lens even further.
Keep your dust and shutter caps on when your instrument is not in
use. This should prevent it from getting too dirty. If you must clean
such instruments, please refer the instrument to the skilled
personnel of Agilent's service team.
Preferred Procedure
Use the following procedure on most occasions.
Blow away any dust or dirt with compressed air.
1
If this is not sufficient, then
Clean the interface by rubbing a new, dry cotton swab over
2
the surface using a small circular movement.
Blow away any remaining lint with compressed air.
3
Procedure for Stubborn Dirt
Use this procedure when there is greasy dirt on the interface,
and using the preferred procedure is not sufficient. Using
isopropyl alcohol should be your last choice for recessed lens
interfaces because of the difficulty of cleaning out any dirt that
is washed to the edge of the interface:
Moisten a new cotton swab with isopropyl alcohol.
1
Clean the interface by rubbing the cotton swab over the
2
surface using a small circular movement.
Take a new, dry soft tissue and remove the alcohol, dissolved
3
sediment and dust, by rubbing gently over the surface using a
small circular movement.
Blow away any remaining lint with compressed air.
4
4
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