Unitron EXAMET-4 User Manual Download Page 7 | Manualshive

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Unitron EXAMET-4 User Manual Download Page 7

EXAMET-4 SERIES MICROSCOPE

UNITRON

®

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

7

COMPONENTS DIAGRAM 3

–

Reflected &Transmitted Model

Trinocular

Head

Reflected

Illuminator

Eyepiece

Specimen

Platform

Stage

Coarse

Focusing Knob

Nosepiece

Objective

Stand

Oblique

Illumination Lever

Fine

Focusing Knob

Coarse

Adjustment

Limit Knob

Variable Light

Intensity Knob

Illuminator

Housing

Condenser

Color Filter Base

Field Diaphragm
Adjustment Ring

Condenser Adjustment Knob

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Summary of Contents for EXAMET-4

Page 1: ...EXAMET 4 MICROSCOPE SERIES MANUAL 73 Mall Drive Commack NY 11725 631 543 2000 P 631 589 6975 F www unitronusa com info unitronusa com ...

Page 2: ...NG THE DIOPTER 15 ADJUSTING INTERPUPILLARY DISTANCE 15 ADJUSTING THE STAGE 16 ADJUSTING THE FIELD DIAPHRAGM Reflected 16 ADJUSTING THE APERTURE DIAPHRAGM Reflected 17 ADJUSTING THE OBLIQUE ILLUMINATION Reflected 17 USING THE COLOR FILTER Reflected 18 USING THE SIMPLE POLARIZER Reflected 18 CENTERING THE CONDENSER Transmitted 19 ADJUSTING THE APERTURE DIAPHRAGM Transmitted 20 CENTERING THE FILAMENT...

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: ...ity 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 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 ...

Page 5: ...00 www unitronusa com 5 COMPONENTS DIAGRAM 1 Reflected Model Trinocular Head Reflected Illuminator Eyepiece Specimen Platform Stage Coarse Focusing Knob Nosepiece Objective Stand Oblique Illumination Lever Fine Focusing Knob Coarse Adjustment Knob Variable Light Intensity Knob ...

Page 6: ...el Lock Screw Field Diaphragm Adjustment Lever Aperture Diaphragm Adjustment Knob Aperture Diaphragm Centering Knob Field Diaphragm Centering Lever Color Filter Slots Tension Adjustment Collar Beam Splitter For Camera Port Lever Polarizer Slot Analyzer Slot Stage Lock Screw Bracket Lock Screw Y Axis Movement Knob X Axis Movement Knob ...

Page 7: ...tted Model Trinocular Head Reflected Illuminator Eyepiece Specimen Platform Stage Coarse Focusing Knob Nosepiece Objective Stand Oblique Illumination Lever Fine Focusing Knob Coarse Adjustment Limit Knob Variable Light Intensity Knob Illuminator Housing Condenser Color Filter Base Field Diaphragm Adjustment Ring Condenser Adjustment Knob ...

Page 8: ...ent Lever Aperture Diaphragm Adjustment Lever Color Filter Slot Aperture Diaphragm Centering Knob Field Diaphragm Centering Knob Polarizer Slot Variable Light Intensity Knob Neutral Density Control Knob Tension Adjustment Collar Beam Splitter For Camera Port Lever Analyzer Slot Stage Lock Screw Condenser Centering Adjustment Screws Condenser Lock Screw Y Axis Movement Knob X Axis Movement Knob ...

Page 9: ...000 www unitronusa com 9 ASSEMBLY The diagram below shows how to assemble 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 ...

Page 10: ...ing Fig 2 Align the guide pins with the guide sockets and push the lamp housing securely into the stand Replacing the Lamp Fig 1 2 When replacing the lamp turn the power switch to the off position and remove the power cord Allow the lamp house and bulb to completely cool Remove the lamp housing by gently pulling it away from the stand Remove the old lamp from the socket and replace with a 6v 50w h...

Page 11: ...est position by rotating the condenser knob Installing the Reflected Illuminator Fig 5 Completely loosen the lock screw of the illuminator As shown position the illuminator above the dovetail hole tilt it slightly down on the left and carefully slide the dovetail under the notches in the dovetail hole and set it into place Make the sure it is seated properly then tighten the lock screw Installing ...

Page 12: ...ng the Power Cords Fig 9 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 plug of the reflected illuminator into the matching socket on the back of the stand and tighten the screw to secure it Insert the plug of the transmitted illuminator into the matching socket...

Page 13: ...ight adjustment knob Fig 11 on the side of the stand until the illumination is comfortable for observation For Reflected Models Fig 12 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 Selecting the Light Path Fig 13 To observe through the binocular head push the beam splitter for camera port ...

Page 14: ...justment limit stop prevents the sample from touching the objective Adjusting the Bracket Fig 15 Specimens may be observed up to 25mm For specimens over 25mm you need to adjust the bracket Hold the bracket and loosen the bracket lock screw with the included Allen hex wrench Move the bracket to the appropriate position and tighten the bracket lock screw Adjusting the Focus Tension Fig 16 To adjust ...

Page 15: ...ter setting Be sure to write down your diopter setting as settings will vary from user to user Adjusting Interpupillary Distance Fig 18 Different users have different interpupillary distances this distance is between the centers of the pupils of each eye When the operator changes it will be necessary to adjust the interpupillary distance While looking through the eyepieces hold the left and right ...

Page 16: ...rclockwise 20º For Left hand clockwise 20º counterclockwise 90º Adjusting the Field Diaphragm Reflected Illumination Fig 20 21 By limiting the amount of light entering the condenser the field diaphragm can prevent other light and strengthen the image contrast When the image is just on the edge of the field of view the objective will obtain the clearest image Push the field diaphragm adjustment lev...

Page 17: ...lumination Fig 22 23 The aperture size is increased or decreased by rotating the aperture diaphragm adjustment knob 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 conditi...

Page 18: ...nsert the blank filter into the filter slot Using the Simple Polarizer Reflected Illumination Fig 26 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 360º rotating analyzer or the fixing analyzer into the analyzer slot as shown The po...

Page 19: ... diaphragm can be observed through the eyepiece Adjust the condenser centering adjustment screw 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 28 In use you can enlarge the field diaphragm a bit and make the image circumscribed to the field of view F...

Page 20: ... to observe through the eyepiece tube Adjust the aperture diaphragm adjustment ring to adjust proportion until you see the image Fig 29 Use of graduation set the N A of the condenser to the 80 of the N A of objective Fig 30 Center the Filament Transmitted Illumination Fig 31 32 Turn the neutral density knob to OUT and observe the image of the filament through the eyepiece by adjusting the coarse f...

Page 21: ...e Unscrew the fuse group from the fuse base with a flat head screwdriver Install a new fuse and re install the fuse group into the fuse base and tighten with the screwdriver Use fuse type 250v 3a Installing Using the C Mount Adapter Fig 35 Loosen the camera port lock screw on the trinocular head and remove the cover Remove the cover from the c mount adapter and insert it into the camera port as sh...

Page 22: ...using Low position coaxial coarse fine focusing system with limit stop and tension adjustment Travel range 25mm by adjusting the position of the stage bracket when observing the specimen above 25mm Fine focusing precision 0 002mm Stage Built in low position coaxial double layer mechanical stage 175mm x 145mm with a 76mm X and 42mm Y movement range Illumination Reflected 3w variable LED with field ...

Page 23: ...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 24: ...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 25: ...defects in material and workmanship for a period of five 5 years for mechanical and optical components and one 1 year for 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 warrant...

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