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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

①

Objectives

②

Mechanical Stage

③

Extension Stage Plate

(Optional)

④

Metal Stage Insert Plate

⑤

Eyepieces

⑥

Power Cord

③

④

«
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5
6
7
8
9
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Summary of Contents for MEC4

Page 1: ...MEC4 INVERTED METALLURGICAL MICROSCOPE MANUAL 100 Lauman Lane Suite A Hicksville NY 11801 Tel 877 877 7274 Fax 516 801 2046 Email Info nyscopes com www microscopeinternational com LVWULEXWHG E ...

Page 2: ... 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 ...

Page 3: ...es 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 r...

Page 4: ...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 focus...

Page 5: ...ocular 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 ...

Page 6: ... 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 ...

Page 7: ...m 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 Objectives Mechanical Stage Extension Stage Plate Optional Metal Stage Insert Plate Eyepieces Power Cord ...

Page 8: ... opening in the top of the stage remove the nosepiece cap and thread the lowest magnification objective 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 Keep the caps on any unused nosepiece openings to prevent dust and dirt from getting insi...

Page 9: ... 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 sta...

Page 10: ...dicated 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 ...

Page 11: ...mplete circle should be seen in the viewing field when viewing the specimen slide An improper adjustment will cause operator fatigue and will disrupt the objective parfocality Where the on the eyepiece tube lines up that is the number for your interpupillary distance The range is 54 75mm Be sure to write down you interpupillary number for future operation Fig 8 Adjusting the Focus Fig 9 To ensure ...

Page 12: ...lane after focusing adjust the tension with the tension adjustment ring Turn the tension adjustment ring clockwise to loosen or counterclockwise to tighten according to user preference Using the Stage Plates Fig 11 12 With the mechanical stage Fig 12 and the included rectangular metal stage plate Fig 11 a user can precisely move the specimen by turning the Y and X stage control knobs Fig 10 Fig 11...

Page 13: ... path selection slider is set to the OUT position pushed all the way to the right Slide the light path selection slider to the left to the IN position This will send 20 of the light to the binocular viewing head and 80 to the top photo port for HDMI digital imaging and documentation Fig 13 Light Path Selection Knob Light Intensity Ratio Application OUT Position 100 for binocular observation throug...

Page 14: ...r out to adjust the field diaphragm The image of the field diaphragm can be seen when observing through the eyepiece Adjust the right and left centering screws until the field diaphragm is centered in the field of view Using the Aperture Diaphragm Fig 14 The iris diaphragm determines the numerical aperture N A of the illumination system in bright field observation When the N A of the objective and...

Page 15: ...denser lever by turning the knob on the condenser lever counterclockwise and then move the lever up or down With the Ʌ groove on the bottom insert the polarizer into the polarizer slot until you hear it click into place With the printed side face up on the analyzer insert the 360 analyzer into the slot until you hear it click into place Fig 16 Fig 17 Fig 18 ...

Page 16: ...E be sure to keep the filter slider in an upright position as the green and blue filters when inserted do not click into place and can slide out if the slider is turned sideways or upside down To insert the filter slider into the filter slot on the MEC4 you must remove one of the end screws Fig 21 by turning it counterclockwise You may then insert the filter slider into the filter slot from either...

Page 17: ... photo port Loosen the lock screw until it is flush with the inside of the photo port Remove caps from your CCTV lens and attach the top opening to the threaded mount on your camera Attach the bottom threaded mount of the CCTV lens with the mounted camera onto the photo port and tighten the lock screw Selecting the Light Path for Observation With a Camera Refer to page 12 Fig 22 Camera ...

Page 18: ...ible in the field of view Dirt dust on the specimen Replace with a clean specimen Dirt dust on the eyepiece Clean the eyepieces The image glares The iris diaphragm is closed too much Open up the iris diaphragm Visibility is poor Image is not sharp Contrast is poor Details are indistinct The objective is not correctly engaged in the light path Turn the nosepiece into the engaged position the apertu...

Page 19: ...intensity adjustment knob p 11 Fig 7 MISCELLANEOUS The field of view of one eye does not match that of the other The interpupillary distance is not correct Adjust the interpupillary distance p 11 Fig 8 The diopter is not right Adjust the diopter p 11 Fig 9 Your view is not accustomed to the microscope observation and widefield eyepieces Upon looking into eyepieces try looking at the overall field ...

Page 20: ...five 5 years for mechanical and optical components and one 1 year for LED bulb and electrical components from the date of invoice to the original end user purchaser This warranty does not cover damage caused in transit misuse neglect abuse or damage resulting from improper servicing or modification by other then UNITRON approved service personnel This warranty does not cover any routine maintenanc...

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