User Manual
Trinocular Compound
LED Microscope
Model M8311 Series
MicroscopeNet.com
Table of Contents
i. Caution .................................................................................................. 1
ii. Care and Maintenance .......................................................................... 2
1. Components Illustration ........................................................................ 3
2. Installation ............................................................................................. 4
3. Operation .............................................................................................. 6
4. Specifications ........................................................................................ 9
5. Optional Parts ..................................................................................... 10
6. Troubleshooting Guide ........................................................................ 13
7. Darkfield Condenser Installation and Operation Instructions ............... 15
8. Phase Contrast Kit Installation and Operation Instructions .................. 16
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i. Caution
1. Open the carton carefully with a knife or paper cutter. Find the “UP” sign and place
the Styrofoam container on the side that makes the arrow upward. If the “UP” sign
is missing, please open the Styrofoam container gently to prevent any accessory
items (i.e. objectives or eyepieces) from dropping and being damaged.
2. Do not discard the molded Styrofoam container. The container should be retained
should the microscope ever requires reshipment.
3. Keep the instrument out of direct sunlight, high temperature or humidity, and dusty
environments. Ensure that the microscope is located on a smooth, level and firm
surface.
4. If any specimen solutions or other liquids splash onto the stage, objective or any
other component, disconnect the power cord immediately and wipe up the spillage.
Otherwise, the instrument may be damaged.
5. All electrical connectors (power cord) should be inserted into an electrical surge
suppressor to prevent damage due to voltage fluctuations.
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ii. Care and Maintenance
1. Do not attempt to disassemble any component including eyepieces, objectives or
focusing assembly.
2. Keep the instrument clean; remove dirt and debris regularly. Accumulated dirt on
metal surfaces should be cleaned with a damp cloth. More persistent dirt should be
removed using a mild soap solution. Do not use organic solvents for cleansing.
3. The outer surface of the optics should be inspected and cleaned periodically using
an air stream from an air bulb. If dirt remains on the optical surface, use a soft cloth
or cotton swab dampened with a lens cleaning solution (available at camera stores).
All optical lenses should be swabbed using a circular motion. A small amount of
absorbent cotton wound on the end of a tapered stick makes a useful tool for
cleaning recessed optical surfaces. Avoid using an excessive amount of solvents as
this may cause problems with optical coatings or cemented optics or the flowing
solvent may pick up grease making cleaning more difficult. Oil immersion objectives
should be cleaned immediately after use by removing the oil with lens tissue or a
clean, soft cloth.
4. Observe the specimen with the 4X, 10X and 40X objectives in order, then observe
the specimen with the 100X objective. Apply the immersion oil on the slide cover with
the 100X objective. Do not let the immersion oil to contact with the dry objectives
lens (especially the 40X). Clean the dry objective lens using the lens cleaning paper
if the immersion oil is on the dry objectives lens. Clean the 100X objective lens first
using the lens cleaning paper after observing the specimen with the 100X objective,
then clean the specimen. More persistent dirt should be removed using a little bit
alcohol. Do not use organic solvents for cleansing.
5. Store the instrument in a cool, dry environment. Cover the microscope with the dust
cover when not in use.
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1. Components Illustration
1
Photo Tube
9
Microscope Base
17
Power Switch
2
Eyepiece
10
Head Lock Thumb Screw
18
Brightness Intensity Dial
3
Diopter Ring
11
Nosepiece
19
Condenser Lock Thumb Screw
4
Eyepiece Tube
12
Objective
20
Condenser Focus Knob
5
Viewing Head
13
Microscope Body
21
Condenser
6
Slide Holder
14
Coarse Focus Knob
22
Color Filter Holder
7
Mechanical Stage
15
Fine Focus Knob
8
Light Collector
16
X-Y Stage Moving Knobs
2 3 4 5 6 7 8 9 1
11
12
13
14
15
16
17
18
10
20
21
22
19
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2. Installation
2.1 Installation of the trinocular viewing head
1) Loosen the head lock thumb screw on the top of the microscope body and remove
the plastic cover on the top.
2) Remove the cap on the dovetail of the trinocular viewing head.
3) Seat the dovetail of the viewing head into the socket on the top of the microscope
body and tighten the head lock thumb screw.
Caution:
Do not release the viewing head from your hand grip until you are sure the viewing
head is installed securely.
2.2 Installation of the photo tube
1) Remove the cap on the top of the viewing head.
2) Thread the photo tube into the top of the viewing head.
2.3 Installation of the eyepieces
1) Remove the protective caps from the eyepiece tubes.
2) Insert the eyepieces into the eyepiece tubes.
2.4 Installation of the objectives
1) Adjust the coarse focus knob until the mechanical stage is at its lowest position.
2) Turn the caps counter-clockwise to remove them from the nosepiece.
3) Take the objectives out from the plastic cases and turn each one clock-wise into the
holes on the nosepiece. Install the 4X objective into the nosepiece first. Then in a
counter-clockwise direction, rotate the nosepiece and install each succeeding higher
magnification objective as shown in Fig. 1.
Note:
Inspect the objectives frequently for dirt or oil; clean if necessary.
Use the 10X objective to initially focus the image of your specimen.
When changing the objective magnification, rotate the objective nosepiece until you
hear a “click” sound or have a clear "in position" feeling. This ensures the objective is
centered in the optical light path.
Fig.1
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2.5 Installation of the glass filter
1) Swing out the color filter holder under the condenser.
2) Place the filter into the color filter holder as shown in Fig. 2, swing the holder in.
2.6 Replacing the fuse
1) Turn off the power switch and disconnect the power cord.
2) Find the fuse holder at the rear bottom of the microscope body.
3) Pry out the fuse holder gently with a flat head screwdriver.
4) Replace the old fuse with a new one, and then insert it back in. See Fig. 3.
2.7 Installation of the camera (optional, may not included
in your package)
1) Take off the plastic cover on the photo tube.
2) Insert the camera into the photo tube, and then connect
the camera to a computer via USB2.0 cable. See Fig.4.
3) The manual for the camera is on a CD (or mini CD). Refer
to the manual to install the driver and software on to the
computer.
4) The camera is optional and may have different color and
shape from the one in the figure, depending on the
model purchased.
2.8 Installation of darkfield condensers (optional, may not
included in your package)
Please see section 7 (Darkfield Condenser Installation and Operation Instructions)
2.9 Installation of phase contrast kits (optional, may not included in your package)
Please see section 8 (Phase Contrast Kit Installation and Operation Instructions)
Camera
Photo Tube
Fig.4
Color Filter
Color Filter Holder
Fig.2
Fuse Holder
Fuses
Fig.3
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