-
９
-
6 . Maintenance
6.1 Clean
(1) Don’t touch the lens with hand, Dust on lens should be cleaned by soft brush or absorbent cotton or
cleaned by absorbent cotton, lens paper with the mixture of alcohol and ether (proportion 1:4).
(2) Alcohol and ether all are burnt early, please take them away from fire. Be careful for turn on and off
power.
(3) Don’t clean painted metal and galvanizing metal with organic solvent such as alcohol, ether or the
mixture of the both. Silicon cloth or soft cleaning preparation is suggested to clean it. Plastic should be
cleaned by soft cloth with clear water.
6.2 Environment Of Using And Placing.
(1) Microscope should be used and placed in a cool, dry, non-dust, non-shake and non-corrosive gases
environment.
(2) environment of indoor temperature 0°
～
40°C ,and maximum relative humidity 85%.
(3) Dehumidifier is suggested to be installed when microscope used in heavy humidity area to avoid
fungus and mist damage instrument.
(4) Please pay attention to prevent microscope from violent shake and vibration in application and in
carrying. Don’t drag it on the surface of worktable to avoid damage to microscope and worktable.
6.3 Replacement of bulb
6.3.1 Replacement of halogen.
▲Please use specified bulbs. If use other light bulb will cause damage or fire. Halogen:6V/20W or
6V/30W
，
LED: 3.4V/0.3W or 3.4V/3W
（
refer to outfits
）
.
(1) Turn off power(switch to“○”) and pull out plug.
(2) Wait about 30 minutes until the bulb become cool.
▲Please be sure that the bulb is cool, then follow by the next
operations.
(3) Lay aside the microscope reliably, unscrew the knurled thumb
screw of the lamp housing cover on the underside of base.
(4) Pull over the lamp housing cover.
(5) Pull out the old bulb .
(6) Hold a new bulb with silk cloth to avoid fingerprint and dust affect bulb brightness and service life, and
insert fully the contact pins into the bulb socket.
▲Before installing new bulb, check whether the bulb and socket contact intact. If contact is bad, will affect
illume.
▲Insert bulb contacts completely in plug hole. Otherwise, bulb could loose contacts or contact undesirable
and went for a short-circuit
(7) Press back the lamp housing cover, and tighten the knurled thumb screw.
▲After working for above 10 hours continuously, better cut off the microscope about 30 minutes.
