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5.0 MAINTENANCE
5.1
Microscopy environment
This microscope is recommended to be used in a clean, dry and shock free environment with a tem-
perature of 0-40°C and a maximum relative humidity of 85 % (non condensing). Use a dehumidifier if
needed.
5.2
To think about when and after using the microscope
•
The microscope should always be kept vertically when moving it and be careful so that no moving
parts, such as the eyepieces, fall out.
•
Never mishandle or impose unnecessary force on the microscope.
•
Never attempt to service the microscope yourself.
•
After use, turn off the light immediately, cover the microscope with the included dust-cover, and keep
it in a dry and clean place.
5.3
Electrical safety precautions
•
Before plugging in the power cord with the supply, make sure that the supplying voltage of your region
matches with the operation voltage of the equipment and that the lamp switch is in off-position.
•
For models with halogen lamp, do not turn the power on and off, off and on immediately as this will
shorten the life span of the bulb and may cause damage to the electrical system.
•
Users should observe all safety regulations of the region. The equipment has acquired the CE safety
label. However, users do have full responsibility to use this equipment safely.
5.4
Cleaning the optics
•
If the optical parts need to be cleaned try first to: use compressed air.
•
If that is not sufficient: use a soft lint-free piece of cloth with water and a mild detergent.
•
And as a final option: use the piece of cloth moistened with a 3:7 mixture of ethanol and ether.
Note: ethanol and ether are highly flammable liquids. Do not use them near a heat source, near
sparks or near electric equipment. Use these chemicals in a well ventilated room.
•
Remember to never wipe the surface of any optical items with your hands. Fingerprints can damage
the optics.
•
Do not disassemble objectives or eyepieces in attempt to clean them.
5.5
Changing the lamp [only for models with halogen lamp]
Before changing the bulb, make sure that the power switch is off and the power cord has been discon-
nected from the main supply.
For incident light: unscrew the lamp collector piece and pull it out, remove the old light bulb from the
socket, and carefully plug the new bulb in. Screw the collector piece back after changing the bulb.
For transmitted light: remove the glass plate by pushing down its rear side, remove the old bulb from
the socket and carefully plug the new bulb in.
Never touch the glass surface of the bulb with naked hand, any grease stain brought onto the bulb by
the hand will negatively affect the heat dissipation, and thus, greatly shorten the life span of the bulb.
Clean the bulb surface with alcohol and tissue if the user has touched the bulb surface accidentally.
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