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Unitron System 274, Manual

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SYSTEM 274 STEREO MICROSCOPES  

 

 

 

 

UNITRON

®     

                          

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

8

 

 

7.  Replace the cap back onto the vertical post. 

 

8.  Screw the lock lever on the end of the 

horizontal pillar. This lock lever secures the 

e-arm or focus mount. 

 

9.  Insert the e-arm or focus mount into the end 

of the horizontal bar and tighten using the 

lock lever. 

 

10. Adjust the e-arm or focus mount to desired 

level or position. 

Summary of Contents for System 274

Page 1: ...73 Mall Drive Commack NY 11725 631 543 2000 P 631 589 6975 F www unitronusa com info unitronusa com System 274 ZOOM STEREO MICROSCOPE MANUAL ...

Page 2: ...ronusa com 2 CONTENTS SAFETY NOTES 3 CARE AND MAINTENANCE 3 INTRODUCTION 4 UNPACKING AND COMPONENTS 4 COMPONENT DIAGRAMS 5 7 ASSEMBLY 8 ADJUSTMENT AND OPERATION ADJUSTING BINOCULAR VIEWING HEAD 15 FOCUS ADJUSTMENT 16 SPECIFICATIONS 17 TROUBLESHOOTING 17 MAINTENANCE 18 SERVICE 18 WARRANTY 18 ...

Page 3: ...ope NOTE Always plug the microscope 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 the 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...

Page 4: ...trol 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 Careful...

Page 5: ...ON 73 Mall Drive Commack NY 11725 631 543 2000 www unitronusa com 5 Ergonomic Binocular Head Eyepieces Zoom Body Auxiliary Lens Objective Focus Mount Focus Knob Vertical Post Articulating Arm with Vertical Extension Bench Clamp Drop Post ...

Page 6: ...en assembling the microscope make sure that all parts are free of dust and dirt and avoid scratching any parts or touching glass surfaces Assembling the Ball Bearing Boom Stand 1 Carefully remove all parts from box and check for all package contents 2 Place the base on the edge of a table as shown below Use the hex bolt to attach the vertical post to the base and tighten using the hex wrench provi...

Page 7: ...e base on the table and unscrew the cap on the vertical post 4 Insert the safety lock collar onto the vertical post and tighten lock it using the clamp 5 Slide the horizontal pillar with cross block into the vertical post 6 Adjust to the desired position and tighten the cross block on both sides using the 2 knobs ...

Page 8: ...ce the cap back onto the vertical post 8 Screw the lock lever on the end of the horizontal pillar This lock lever secures the e arm or focus mount 9 Insert the e arm or focus mount into the end of the horizontal bar and tighten using the lock lever 10 Adjust the e arm or focus mount to desired level or position ...

Page 9: ... 631 543 2000 www unitronusa com 9 11 E arm or focus mount can be inserted from the TOP BOTTOM or HORIZONTALLY of the horizontal bar Set e arm or focus mount up at various angles and tighten the lock lever for oblique viewing Ball Bearing Boom Stand assembly is complete ...

Page 10: ...SCOPES UNITRON 73 Mall Drive Commack NY 11725 631 543 2000 www unitronusa com 10 Assembling the Articulating Arm with Vertical Extension Refer to the diagram below for all parts and the location of those parts during assembly ...

Page 11: ...000 www unitronusa com 11 1 Attach stand clamp to work surface 2 Attach safety collar to vertical post Secure with knob screw 3 Attach moveable arm to vertical post above safety collar Secure to vertical post with knob screw left Attach second knob screw right but do not tighten ...

Page 12: ...5 Attach the spring loaded moveable arm to the second moveable arm Be sure to insert nylon washer over the pin of the spring loaded moveable arm and the receiving hole of the second moveable arm Secure with knob screw 6 Place nylon washer over pin of spring loaded arm then insert into receiving hole of 3rd moveable arm refer to parts diagram Align metal washer with 2 screws holes over screw holes ...

Page 13: ... 3rd moveable arm and secure with knob screw 8 Slide focus mount onto drop post and secure with knob screw on the back of the focus mount 9 Secure the focus mount to the drop post by threading the metal safety thumb screw into the bottom of the drop post Assembly of the Articulating Arm with Vertical Extension stand is complete ...

Page 14: ...ock screw to secure the zoom body in place 2 Use caution not to over tighten the locking screw as this may cause damage to the instrument Mounting the Objective 1 Using care not to touch the lens surfaces carefully thread the objective into the optical body Mounting the Viewing Head 1 Insert the viewing head into the optical body and secure it into place using a 2mm Allen key to tighten the screw ...

Page 15: ...d 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 Fig 7 Adjusting Diopter Ring Focusing Fig 7 Set the diopter rings of both eyepieces to 0 position Do this when users change because different users will have different diopter settings Place an eas...

Page 16: ...kwise to decrease loosen the focus knob tension After tension adjustment has been completed always rotate both adjustment knobs in the same direction Fig 10 Changing the Magnification The zooming knobs located on both sides of the zooming body Fig 10 black arrow will change the magnification of the specimen image Total Magnification Magnification of zoom body x objective x magnification of eyepiec...

Page 17: ...our local dealer for assistance Trouble Cause Remedy Double images Interpupillary distance is not correct Readjust it page 12 Diopter adjustment is not correct Readjust it page 12 Dirt appears in the view field Dirt on the specimen Clean specimen Dirt on the surfaces of eyepieces Clean eyepieces Image is not clear Dirt on the surface of objectives Clear objectives Image is not clear while focusing...

Page 18: ... from 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 w...

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