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8-20 Cleaning Connections for Accurate Measurements
C A U T I O N
Do not scrub during this initial cleaning because grit
can be caught in the swab and become a gouging ele-
ment.
5 Immediately dry the fiber end with a clean, dry, lint-free
cotton swab or lens paper.
6 Blow across the connector end face from a distance of 6
to 8 inches using filtered, dry, compressed air. Aim the
compressed air at a shallow angle to the fiber end face.
Nitrogen gas or compressed dust remover can also be
used.
Do not shake, tip, or invert compressed air canisters,
because this releases particles in the can into the air.
Refer to instructions provided on the compressed air
canister.
7 As soon as the connector is dry, connect or cover it for
later use.
If the performance, after the initial cleaning, seems
poor try cleaning the connector again. Often a second
cleaning will restore proper performance. The second
cleaning should be more arduous with a scrubbing
action.
To clean an adapter
The fiber-optic input and output connectors on many
Agilent instruments employ a universal adapter such as
those shown in the following picture. These adapters
allow you to connect the instrument to different types
of fiber-optic cables.
Figure 8-7. Universal adapters.
1 Apply isopropyl alcohol to a clean foam swab.
Cotton swabs can be used as long as no cotton fibers re-
main after cleaning. The foam swabs listed in this sec-
tion's introduction are small enough to fit into adapters.
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