User`s guide
E Cleaning Information Standard Cleaning Equipment
276 E6000C Mini-OTDR User’s Guide, E0302
Using isopropyl alcohol If you use isopropyl alcohol to clean your optical device, 
do not immediately dry the surface with compressed air 
(except when you are cleaning very sensitive optical 
devices). This is because the dust and the dirt is solved 
and will leave behind filmy deposits after the alcohol is 
evaporated. You should therefore first remove the alcohol 
and the dust with a soft tissue, and then use compressed 
air to blow away any remaining filaments.
Denatured alcohol If possible avoid using denatured alcohol containing 
additives. Instead, apply alcohol used for medical 
purposes. 
Never try to drink this alcohol, as it may seriously damage 
to your health.
Other solvents Do not use any other solvents, as some may damage 
plastic materials and claddings. Acetone, for example, 
will dissolve the epoxy used with fiber optic connectors. 
To avoid damage, only use isopropyl alcohol.
Cotton swabs
Size of swab We recommend that you use swabs such as Q-tips or other 
cotton swabs normally available from local distributors of 
medical and hygiene products (for example, a 
supermarket or a chemist’s shop). You may be able to 
obtain various sizes of swab. If this is the case, select the 
smallest size for your smallest devices.
Foam swabs Ensure that you use natural cotton swabs. Foam swabs 
will often leave behind filmy deposits after cleaning.
Use care when cleaning, and avoid pressing too hard onto 
your optical device with the swab. Too much pressure 
may scratch the surface, and could cause your device to 
become misaligned. It is advisable to rub gently over the 
surface using only a small circular movement.










