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GEMSCOPE 

 

 

 

 

UNITRON

®     

                          

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

7

 

DETAILED ASSEMBLY 

 

 

 

 

 

 

Mounting the Stereo Head (Fig. 1) 

Loosen the lock screw 

 on the stand and insert 

the stereo head 

 into the bracket of the stand. 

Tighten the lock screw 

 to secure the stereo 

head. 

 

Installing the Eyepieces (Fig. 1) 

Remove the eyepiece dust caps 

 and insert 

the eyepieces 

 until they stop as shown  

in Fig. 1. 
 

Installing the Stoneholder (Fig. 2) 

 

The stage has two stoneholder mounts 

 on 

either side of the stage where you can attach the 
stoneholder 

 

 

 

Fig. 1 

Fig. 2 

Summary of Contents for Gemscope 3075-GS

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

Page 2: ...itronusa com 2 CONTENTS SAFETY NOTES 3 REPAIR CARE AND MAINTENANCE 4 INTRODUCTION 5 UNPACKING AND COMPONENTS 5 COMPONENTS DIAGRAM 5 ASSEMBLY 6 8 ADJUSTMENT AND OPERATION 9 11 REPLACING THE ILLUMINATOR LAMPS 12 13 TROUBLESHOOTING 14 MAINTENANCE 15 SERVICE 15 WARRANTY 15 ...

Page 3: ...nge the lamp before it is completely cooled or without wearing adequate skin protection 5 All electrical connectors power cord should be inserted into an electrical surge protector to prevent damage due to voltage fluctuations 6 FUSE REPLACEMENT For safety when replacing the fuse ONLY replace with the same size type and rating of original fuse be sure the main switch is in the off position disconn...

Page 4: ...ularly 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 The outer surface of the optics should be inspected and cleaned periodically using an air bulb If dirt remains on the optical surface use a soft lint free cloth or cotton swab dampened with a lens cleaning solution...

Page 5: ...emscope is of the highest quality prior to shipment UNPACKING AND COMPONENTS Your Gemscope arrived packed in a molded shipping carton Do not discard the carton the shipping carton should be retained for reshipment of your Gemscope if needed Avoid placing the Gemscope in dusty surroundings or in high temperature or humid areas as mold and mildew can form Carefully remove the Gemscope from the shipp...

Page 6: ...m below shows how to assemble the various components The numbers indicate the order of assembly When assembling the Gemscope make sure that all parts are free of dust and dirt and avoid scratching any parts or touching glass surfaces Stereo Head Lock Screw Power Cord Eyepieces Fluorescent Illuminator Gem Clamp ...

Page 7: ...d insert the stereo head into the bracket of the stand Tighten the lock screw to secure the stereo head Installing the Eyepieces Fig 1 Remove the eyepiece dust caps and insert the eyepieces until they stop as shown in Fig 1 Installing the Stoneholder Fig 2 The stage has two stoneholder mounts on either side of the stage where you can attach the stoneholder Fig 1 Fig 2 ...

Page 8: ...ace Hand tighten the connector If possible it is recommended to further tighten the connector by using rubber tipped pliers This will ensure that the gooseneck will not loosen and rotate as the overhead fluorescent light is being used Installing the Optional LED Light Fig 3A Remove the plastic cap covering the opening to the LED socket Insert the LED light guide into the socket and seat it as deep...

Page 9: ... left and right focus adjustment knobs with both hands hold the left knob to prevent it from turning and rotate the right knob clockwise to increase tighten or counterclockwise to decrease loosen the focus knob tension After tension adjustment has been completed always rotate both adjustment knobs in the same direction Adjusting Interpupillary Distance Fig 6 Different users have different interpup...

Page 10: ...when users change because different users have differing diopters Rotate the magnification selector knob to 3x and rotate the focusing knob to focus on the iris diaphragm Rotate the magnification selector knob to the 1x magnification position and adjust the diopter ring on left eyepiece to focus the specimen repeat for the right eyepiece Adjusting the Bottom Illumination Fig 8 Plug the GEM base in...

Page 11: ...rotating the baffle control knob counterclockwise Inclusions should stand out as dark objects against a bright background Darkfield Illumination Close the baffle by rotating the baffle control knob clockwise The stone is illuminated with diffused light from the sides View the stone against the baffle s black non reflective background Inclusions stand out as bright objects Adjusting the Top Fluores...

Page 12: ... housing is a trap door Open the trap door by loosening the screw see Fig 11 The screw can be loosened by hand or by using the small flathead screwdriver included in the original shipment of the Gem stand The door will open and the lamp can be removed IMPORTANT When replacing the lamp be careful not to touch the new lamp with your fingers as the oils and dirt on your fingers can affect the lamp s ...

Page 13: ...r plate using the Phillips head screwdriver that was included with your Gem stand The fluorescent lamp is connected to a socket in the housing by a four pin connector The socket is held in place with a screw Remove the screw from the lamp socket Carefully pull the fluorescent lamp out from the socket by the base of the lamp to avoid accidental breakage Insert the new lamp into the socket and repla...

Page 14: ...jectives Image is not clear while focusing Diopter adjustment is not correct Readjust diopter Focusing is not correct Readjust it The focusing knob is not smooth The focusing knob is too tight Loosen it to a suitable position The image is obscure because of the head slipping down during observation The focusing knob is too loose Adjust the tension on the focus knobs Lamp does not work Bulb may be ...

Page 15: ...r 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 maintenance work or any other work which is reasonably expected to be performed by the purchaser Normal wear is excluded from this warranty No responsibility is assumed for ...

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