Unitron 14350 User Manual Download Page 20

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EXAMET-5 SERIES MICROSCOPE

UNITRON

73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com

MECHANICAL SYSTEM

Problem

Cause

Solution

The objective
touches the cover
glass while
turning the
nosepiece

Stage is too high

Lower it to an appropriate position

Coarse focusing
knob is too tight

Tension adjustment ring is too tight

Loosen it to an appropriate position

Stage moves and
cannot stay on
the focal plane

Tension adjustment ring is too loose

Tighten it to an appropriate position

Coarse focusing
knob cannot rise

The coarse limit screw is locked

Loosen the screw

The image moves
obviously when
touching the
stage

The stage is fastened incorrectly

Fasten the stage correctly

ELECTRICAL SYSTEM

Problem

Cause

Solution

The bulb does not
work

No power supply

Check the connection of the power cord

The bulb burnt out

Replace it

The field of view
is not bright
enough

The light adjustment knob is not adjusted
correctly

Adjust correctly

The bulb flickers
or the brightness
is not stable

The bulb will burn out soon

Replace with a new one

The wire doesn’t connect well

Connect correctly

Summary of Contents for 14350

Page 1: ...73 Mall Drive Commack NY 11725 631 543 2000 P 631 589 6975 F www unitronusa com info unitronusa com EXAMET 5 MICROSCOPE SERIES MANUAL ...

Page 2: ... THE DIOPTER 13 ADJUSTING INTERPUPILLARY DISTANCE 13 ADJUSTING THE STAGE 13 ADJUSTING THE FIELD DIAPHRAGM Reflected 14 ADJUSTING THE APERTURE DIAPHRAGM Reflected 14 ADJUSTING THE OBLIQUE ILLUMINATION Reflected 14 USING THE COLOR FILTER Reflected 15 USING THE SIMPLE POLARIZER Reflected Transmitted 15 CENTERING THE CONDENSER Transmitted 16 ADJUSTNG THE FIELD DIAPHRAGM Transmitted 16 ADJUSTING THE AP...

Page 3: ...E Always plug the stereomicroscope power cord into a suitable grounded electrical outlet A grounded 3 wire cord is provided 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 shou...

Page 4: ...ontrol 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 shipping 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 can form Caref...

Page 5: ...on Lever Fine Focusing Knob Variable Light Intensity Knob Field Diaphragm Adjustment Lever Aperture Diaphragm Adjustment Lever Color Filter Slots Reflected Illuminator Housing Aperture Diaphragm Centering Screws Tension Adjustment Collar Y Axis Movement Knob X Axis Movement Knob Field Diaphragm Adjustment Ring Field Diaphragm Adjustment Knobs Stand Nosepiece Objective Camera Port Trinocular Head H...

Page 6: ...ator Diaphragm Centering Screws Power ON OFF Switch Fine Focusing Knob Stand Fuse Holders Power Cord Receptacle Trinocular Head Camera Port Eyepiece Oblique Illumination Lever Nosepiece Objective Condenser Focusing Bracket Group Condenser Adjustment Knob Variable Light Intensity Dial Coarse Focusing Knob Transmitted Illuminator Housing Reflected Illuminator Housing ...

Page 7: ...semble the various modules The numbers indicate the order of assembly When assembling the microscope make sure that all parts are free of dust and dirt and avoid scratching any parts or touching glass surfaces Illuminator Housing Stage Condenser Reflected Illuminator Trinocular Head Objectives Eyepieces Reflected Illuminator Cable Power Cord ...

Page 8: ... on the bracket then gently slide the stage onto the bracket ring and secure the stage by tightening the lock screw Installing the Condenser Fig 3 Rotate the coarse focusing knob to raise the stage to its highest position Rotate the condenser knob lower the bracket for the condenser to its lowest position Completely loosen the condenser lock screw Swing out the top lens of the condenser with the s...

Page 9: ...ke the sure it is seated properly then tighten the lock screw Installing the Head Fig 5 Completely loosen the lock screw of the head As shown position the head and with it tilted slightly down on the right slide the dovetail under the notches in the dovetail hole and set it into place with the two eyepiece tubes facing forward Tighten the lock screw Installing the Objectives Fig 6 Rotate the coars...

Page 10: ...t the each eyepiece into each of the eyepiece tubes Connecting the Power Cord Fig 8 IMPORTANT Use care when storing the power cord so that it does not bend or twist Use only the power cord provided with your microscope Make sure the power switch is at 0 OFF Insert the female end of the power cord into the power supply socket on the base of the stand Plug the other end of the power cord into a grou...

Page 11: ...Fig 10 11 Turn on the power switch to the ON I position Turn the light adjustment knob on the base of the stand until the illumination is comfortable for observation Turn the light adjustment knob Fig 11 on the side of the stand until the illumination is comfortable for observation Selecting the Light Path Fig 12 To observe through the binocular head push the light path selection lever all the way...

Page 12: ...and observe the specimen through the right eyepiece with your right eye Rotate the coarse focusing knob until the image appears in the field of view then lock the coarse adjustment knob To see sharpen or see more detail in the specimen rotate the fine focusing knob NOTE the coarse adjustment limit stop prevents the sample from touching the objective Adjusting the Focus Tension Fig 15 To adjust ten...

Page 13: ...ach eye When the operator changes it will be necessary to adjust the interpupillary distance While looking through the eyepieces hold the left and right eyetubes of the viewing head and adjust the eyetubes by opening or closing them until the left and right fields of view coincide completely and you are able to see a complete circle Adjusting the Stage Fig 18 When observing move the stage by rotat...

Page 14: ...The aperture size is increased or decreased by opening or closing the aperture diaphragm adjustment lever When the aperture is closed the brightness and resolution are decreased but the contrast and range of focus are increased If the aperture diaphragm is opened the brightness and resolution are increased however the contrast and range of focus are diminished For optimal viewing conditions set th...

Page 15: ... The simple polarizer includes the polarizer and the analyzer Insert the polarizer into the polarizer slot of the illumination system as shown Be sure to pull out the color filter when using the polarizer Insert the analyzer into the analyzer slot as shown The polarizer and the analyzer are orthoganol when the 360º rotating analyzer is zero adjusted or the fixing analyzer is used Dialing the rotat...

Page 16: ...centering adjustment screws to center the image of field diaphragm to the field of view Open the field diaphragm slowly If the image is in the center and inscribed to the field of view the condenser is correctly centered Fig 27 In use you can enlarge the field diaphragm a bit and make the image circumscribed to the field of view Adjusting the Field Diaphragm Fig 25 Transmitted Illumination By limi...

Page 17: ...gm to 70 80 of the objective N A being used If necessary remove the eyepiece to observe through the eyepiece tube Adjust the aperture diaphragm adjustment ring Fig 25 to adjust proportion until you see the image Fig 28 Use of graduation set the N A of the condenser to 80 of the N A of objective Fig 28 Using the Optional Color Filters Fig 29 Transmitted Illumination A color filter can make the back...

Page 18: ...32 Turn the power switch to O OFF before replacing the fuse Unplug the power cord from the outlet and disconnect it from the back of the microscope NOTE there are two fuse holders on the back of the microscope The top fuse holder corresponds to the top reflected illuminator the bottom fuse holder corresponds to the bottom transmitted illuminator Unscrew the fuse holder corresponding to the illumin...

Page 19: ...The color filter polarizer or analyzer is not in the correct position Insert them or move out of the light path Beam splitter is not in right position Move it into the correct position Stain or dust is observed in the field of view Stains have accumulated on the specimen Clean the specimen Stains have accumulated on the lens Clean the lens Unclear image Cover glass on the specimen slide Use the on...

Page 20: ...oo loose Tighten it to an appropriate position Coarse focusing knob cannot rise The coarse limit screw is locked Loosen the screw The image moves obviously when touching the stage The stage is fastened incorrectly Fasten the stage correctly ELECTRICAL SYSTEM Problem Cause Solution The bulb does not work No power supply Check the connection of the power cord The bulb burnt out Replace it The field ...

Page 21: ...s in material and workmanship for a period of 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 ...

Page 22: ...adjustment range of 54 75mm single diopter adjustment on left eyetube Reversed quintuple nosepiece Long working distance M Infinity Plan Achromat 5x 10x and 20x objectives Long working distance M Infinity Semi Plan Apochromat 50x objective Low position coaxial focusing system with tension adjustment Mechanical Stage 175mm x 145mm with a 76mm X x 42mm Y movement range specimens of a height of up to...

Page 23: ...ctive N A 0 45 W D 4 0mm 142 15 50 50xR LWD M semi apochromatic objective N A 0 55 W D 7 8mm 142 15 100 100xR dry LWD M semi apochromatic objective N A 0 80 W D 2 1mm 142 20 01 Blue filter 480nm for Reflected 142 20 02 Green filter 520 570nm for Reflected 142 20 03 Red filter 630 750nm for Reflected 142 20 04 Color temperature transition color filter for Reflected 142 20 05 Yellow filter 45mm O D ...

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