Agilent Technologies N3970A Wartungshandbuch PDF herunterladen (Seite 31)

Which Cleaning Procedure should I use ? 5

Cleaning Procedures 31

Procedure B

How to clean optical head adapters

Some adapters have an anti-reflection coating on

the back to reduce back reflection. This coating is

extremely sensitive to solvents and mechanical

abrasion. Extra care is needed when cleaning these

adapters.

When using optical head adapters, periodically

inspect the optical head’s front window. Dust and

metal particles can be propelled through the

adapter’s pinhole while inserting the connector

ferrule to the receptacle. Those dirt particles col-

lect on the head’s front window, and can lead to

wrong measurement results if not removed.

Preferred Procedure

Use the following procedure on most occasions.

1 Clean the adapter by rubbing a new, dry cotton

swab over the surface using a small circular

movement.

2 Blow away any remaining lint with compressed

air.

Procedure for Stubborn Dirt

Use this procedure when there is greasy dirt on

the adapter.

1 Moisten a new cotton swab with isopropyl

alcohol.

2 Clean the adapter by rubbing the cotton swab

over the surface using a small circular move-

ment.

3 Take a new, dry soft tissue and remove the

alcohol, dis-solved sediment and dust, by rub-

bing gently over the surface using a small cir-

cular movement.

4 Blow away any remaining lint with compressed

air.

cleaning.book Page 31 Wednesday, May 22, 2002 5:16 PM

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Agilent Technologies N3970A Wartungshandbuch Seite 31