Unitron MEC4 User manual
MEC4
INVERTED
METALLURGICAL
MICROSCOPE
MANUAL
100 Lauman Lane, Suite A, Hicksville, NY 11801
Tel: (877) 877-7274 | Fax: (516) 801-2046
Email: [email protected]
www.microscopeinternational.com
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MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 2
CONTENTS
SAFETY NOTES ..................................................................................................................3
CARE AND MAINTENANCE................................................................................................3
INTRODUCTION..................................................................................................................4
UNPACKING AND COMPONENTS.....................................................................................4
COMPONENT DIAGRAMS...............................................................................................5-6
ASSEMBLY DIAGRAM.........................................................................................................7
DETAILED ASSEMBLY...................................................................................................8-10
OPERATION
ILLUMINATION.........................................................................................................................11
INTERPUPILLARY DISTANCE.................................................................................................11
FOCUSING...............................................................................................................................11
ADJUSTABLE TENSION CONTROL........................................................................................12
STAGE PLATES ......................................................................................................................12
SELECTING THE LIGHT PATH................................................................................................13
FIELD DIAPHRAGM .................................................................................................................14
APERTURE DIAPHRAGM........................................................................................................14
CONDENSER & POLARIZER...................................................................................................15
FILTERS...................................................................................................................................16
MOUNTING A MICROSCOPY CAMERA (OPTIONAL) ............................................................17
TROUBLESHOOTING...................................................................................................18-19
MAINTENANCE..................................................................................................................20
SERVICE............................................................................................................................20
WARRANTY.......................................................................................................................20
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 3
SAFETY NOTES
1. Open the shipping carton carefully to prevent any accessory, i.e. objectives or eyepieces, from
dropping and being damaged.
2. Do not discard the molded shipping carton; the container should be retained should the microscope
ever require reshipment.
3. Keep the instrument out of direct sunlight, high temperature or humidity, and dusty environments.
Ensure 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.
6. For safety when replacing the LED lamp or fuse, be sure the main switch is off (“O”), remove the
power cord, and replace the LED bulb after the bulb and the lamp house has completely cooled.
7. Confirm that the input voltage indicated on your microscope corresponds to your line voltage. The
use of a different input voltage other than indicated will cause severe damage to the microscope.
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 such as
cotton swabs or Q-tips, 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. Store the instrument in a cool, dry environment. Cover the microscope with the dust cover when not
in use.
5. UNITRON®microscopes are precision instruments which require periodic preventative maintenance
to maintain proper performance and to compensate for normal wear. An annual schedule of
preventative maintenance by qualified personnel is highly recommended. Your authorized
UNITRON® distributor can arrange for this service.
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 4
INTRODUCTION
Congratulations on the purchase of your new UNITRON® microscope. UNITRON® microscopes are
engineered and manufactured to the highest quality standards. Your microscope will last a lifetime if
used and maintained properly. UNITRON® microscopes are carefully assembled, inspected and tested
by our staff of trained technicians in our New York facility. Careful quality control procedures ensure each
microscope is of the highest quality prior to shipment.
UNPACKING AND COMPONENTS
Your microscope arrived packed in a molded shipping carton. Do not discard the carton: the carton
should be retained for reshipment of your microscope if needed. Avoid placing the microscope in dusty
surroundings or in high temperature or humid areas as mold and mildew will form. Carefully remove the
microscope from the EPE foam container by its arm and base and place the microscope on a flat,
vibration-free surface. Check the components against the following standard configuration list:
1. Stand, which includes the supporting arm, focusing mechanism, nosepiece, mechanical stage,
condenser with iris diaphragm, and illumination system.
2. Binocular viewing head
3. Eyepieces as ordered
4. Objectives as ordered
5. Stage plate inserts, green, blue and frosted filters
6. Dust cover
7. 3-prong electric power cord
8. Camera adapters (optional)
Optional accessories such as optional objectives and/or eyepieces, slides sets, etc., are not shipped as
part of the standard equipment. These items, if ordered, are shipped separately.
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 5
COMPONENTS DIAGRAM
Binocular
Viewing Head
Light Path
Selection Slider
Coarse/Fine Focus
Adjustment Knobs
Base
Eyepieces
Extension
Stage Plate
Camera/Photo
Port
Metal
Stage Plate
Insert
On/Off
Power Switch
Tension
Adjustment Collar
Mechanical
Stage
Carry
Handle
X/Y Axis
Stage Control
Knobs
Stage
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 6
COMPONENTS DIAGRAM
Objective
Nosepiece
Light Intensity
Control Knob
Nosepiece
Ring
Aperture
Diaphragm
Lever
Illuminator
Housing
Fuse
Holder
Analyzer
Power
Jack
Field
Diaphragm
Lever
Condenser
Adjustment
Lever
Field
Diaphragm
Centering
Adjustment
Levers
Coarse/Fine Focus
Adjustment Knobs
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 7
ASSEMBLY DIAGRAM
The diagram below shows how to assemble the various components. The numbers indicate the order of
assembly. Use the 1.5mm and 2mm hex wrenches that are supplied with your microscope when
required. Be sure to keep these wrenches for changing out components or making adjustments.
When assembling the microscope, make sure that all parts are free of dust and dirt, and avoid scratching
any parts or touching glass surfaces.
①
②
⑥
⑤
①Objectives
②Mechanical Stage
③Extension Stage Plate
(Optional)
④Metal Stage Insert Plate
⑤Eyepieces
⑥Power Cord
③
④
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 8
ASSEMBLY
Objectives (Fig. 1 & 2)
To install the objectives:
1. Turn the coarse adjustment knob ①(Fig. 1) until the revolving nosepiece is at its lowest position.
2. Through the opening in the top of the stage, remove the nosepiece cap and thread the lowest
magnification objective ② (Fig. 2) onto the nosepiece opening, then rotate the nosepiece clockwise
and thread the other objectives from low to high magnification.
NOTE: ●Always rotate the nosepiece by using the knurled nosepiece ring (Fig 1, ③).
●Keep the caps on any unused nosepiece openings to prevent dust and dirt from getting
inside.
Fig. 1
Fig. 2
①
②
③
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 9
Assembly (continued)
Mechanical Stage and Extension Stage Plate (Fig. 3 & 4)
The MEC4 comes with an attachable mechanical stage and an extension stage plate. Both mount
underneath the stage platform with the provided thumb screws.
To install the extension stage plate, gently and carefully lay the microscope on its side as shown (Fig. 3).
Align the thumb screws on the top of the extension plate with the holes on the underside of the stage platform
and tighten.
To install the mechanical stage, gently and carefully lay the microscope on its other side, align the thumbs
screws on the top of the mechanical stage with the holes on the underside of the platform stage and tighten.
NOTE: the mechanical stage can ONLY be positioned on the RIGHT side of the microscope as shown (Fig 4).
Extension Stage Plate
Attachable Mechanical Stage
Fig. 3
Fig. 4
MEC4 INVERTED METALLURGICAL MICROSCOPE
UNITRON 10
Assembly (continued)
Stage Plate (Fig. 5)
Insert the metal stage insert plate ①into the opening on the stage.
Eyepieces (Fig. 6)
Remove the eyetube caps ①and insert the eyepieces②into the eyepiece tubes ③. Lock in the
eyepieces using the supplied 1.5mm hex wrench to tighten the screw on each eyepiece tube.
Power Cord
VOLTAGE CHECK
Confirm that the input voltage indicated on the rear label of the
microscope corresponds to your line voltage. The use of a
different input voltage than indicated will cause severe
damage to your microscope.
Connecting the Power Cord
Make sure the On/Off Switch is “O” (the off position) before
connecting the power cord.
Insert the power plug into the power jack of the microscope;
make sure the connection is snug.
Plug the power cord into a power supply receptacle.
NOTE: Always use the power cord that came with your microscope. If your power cord becomes
damaged or lost, please call your authorized UNITRON dealer for a replacement.
Fig. 5
Fig. 6
①
①
②
③
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