INDEX
IMPORTANT NOTES
Congratulations on your purchase of this high quality BARSKA
microscope. With proper care, this microscope will provide many
years of use. Please read the following instructions before
operating this instrument.
1. Do not attempt to disassemble the instrument. This product has
been carefully assembled at the factory and should only be
examined by a factory-trained technician.
2. This instrument should only be used in an environment with an
indoor temperature range of 32
o
F to 104
o
F.
3. Do not use this instrument in an environment with a lot of dust.
Cover the instrument when not in use.
4. Do not subject the instrument to shock.
Maintenance............................................
Model AY11240/Model AY11238..................
Model AY11228/Model AY11232..................
Model AY11230/Model AY11234..................
Model AY11236........................................
Warranty Information................................
1
2-5
6-9
10-13
14-18
Back Cover
1
MAINTENANCE
Proper care and storage of this instrument is essential. Please read
the following guidelines:
1. Keep the instrument in a dry and moisture-free location.
2. Do not expose to acid, alkali fumes or moisture.
3. Keep optical parts clean and free of dust. To clean optical parts
gently wipe with lens cleaning tissue and a mixture of alcohol
and diethyl ether. Depending on weather conditions, the
following are the recommended mixture ratios:
Wet weather: 1:2
Dry Weather: 1:1
4. After use, cover the instrument with the plastic dust cover.
5. If instrument is to be stored for an extended period of time,
remove the eyepiece and oculars and store in a moisture-proof
container.
MODEL AY11240/AY11238
2
MICROSCOPE USAGE
BARSKA Model AY11240 and Model AY11238 are designed for
biological studies such as specimen examination. They can also
be used for examining bacteria and for general clinical and medical
studies. Simple design and use is especially useful for school
classroom instruction.
CONSTRUCTION
BARSKA Model AY11240 is a fixed tube type. For comfortable
observation, the arm can be easily tilted at any angle from 90
o
vertical to 45
o
level. It is also equipped with a coarse adjustment
and fine adjustment as well as a space limiter to protect the
objective from contacting and damaging the specimen. BARSKA
Model AY11238 features a monocular tube that is slanted at a 45
o
angle. The head rotates 360
o
. The Eyepiece Set Screw prevents
the eyepiece from falling out of the tube.
Coarse
Adjustment
Knob
Fine
Adjustment
Knob
Stand
5-Hole
Diaphragm
and Condenser
Concave
Mirror
Stage
Spring Clips
Objectives
Barrel
Revolving Turret
Eyepiece
Coarse
Adjustment
Knob
Fine
Adjustment
Knob
Stand
5-Hole
Diaphragm
and Condenser
Lamp
On/Off
Switch
Lamp
Power
Cord
Stage
Spring
Clips
Objectives
Rotating Head
Revolving
Turret
Eyepiece
Stage Height
Limit Adjustment
Monocular Tube
Eyepiece
Set Screw
Model AY11240
Model AY11238
