Cleaning Instructions How to clean metal filters or attenuator gratings
426 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
procedure is time-consuming, but you avoid scratching or destroying
the surface.
1 Put the film on the surface and wait at least 30 minutes to make
sure that the film has had enough time to dry.
2 Remove the film and any dirt with special adhesive tapes.
Alternative Procedure For these types of optical devices you can often use an ultrasonic bath
with isopropyl alcohol. Only use the ultrasonic bath if you are sure
that it won't cause any damage anything to the device.
1 Put the device into the bath for at least three minutes.
2 Blow away any remaining liquid with compressed air.
If there are any streaks or drying stains on the surface, repeat the
cleaning procedure.
How to clean metal filters or
attenuator gratings
This kind of device is extremely fragile. A misalignment of the grating
leads to inaccurate measurements. Never touch the surface of the
metal filter or attenuator grating. Be very careful when using or
cleaning these devices. Do not use cotton-swabs or soft-tissues, as
there is the danger that you cannot remove the lint and that the device
will be destroyed by becoming mechanically distorted.
Preferred Procedure Use the following procedure on most occasions.
1 Use compressed air at a distance and with low pressure to remove
any dust or lint.
Procedure for Stubborn Dirt Do not use an ultrasonic bath as this can damage your device.
Use this procedure particularly when there is greasy dirt on the
device:
1 Put the optical device into a bath of isopropyl alcohol, and wait at
least 10 minutes.
2 Remove the fluid using compressed air at some distance and with
low pressure. If there are any streaks or drying stains on the
surface, repeat the whole cleaning procedure.
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