BestScope BS-2082 Series Instruction Manual
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BestScope BS-2082 Series Instruction Manual

Biological microscope
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Version:V1.0
BS-2082 Series
Biological Microscope
Instruction Manual
This instruction manual is for the operation guide, troubleshooting and
maintenance to the BS-2082 series biological microscope. Please study this
manual thoroughly before operating and keep it with the instrument. The
manufacturer reserves the rights to the modifications by technology
development. On the basis of operation ensured, technical specifications
may be subject to changes without notice.

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Summary of Contents for BestScope BS-2082 Series

  • Page 1 Instruction Manual This instruction manual is for the operation guide, troubleshooting and maintenance to the BS-2082 series biological microscope. Please study this manual thoroughly before operating and keep it with the instrument. The manufacturer reserves the rights to the modifications by technology development.

  • Page 2: Table Of Contents

    3-14 Assemble and Use the TV Device ..................16 4. Assembling and Operation of Fluorescence Illuminator .............17 4-1 Assemblage Steps ......................17 4-2 Operation ..........................21 5. Troubleshooting ..........................26 5-1 Solutions of BS-2082 Series Biological Microscope Problem ..........26 5-2 Solutions of Mercury Bulb Fluorescent Device Problem ...........28...

  • Page 3: Before Use

    BestScope International Limited Before Use BS-2082 Series 1. Operation Notice 1. As the microscope is a high precision instrument, always operate it with care, and avoid physical shake during the operation. 2. Do not expose the microscope in the sun directly, either not in the high temperature, damp, dust or acute shake.

  • Page 4: Components

    BestScope International Limited 1. Components BS-2082 Series BS-2082 Series Biological Microscope Components Inner Y-axis Moving Hexagon Light Path Knob Selecting Pole Spanner Objective Trinocular head Body Mechanical Stage Light Condenser Source Group X-axis Moving Knob Illuminator Light Tension Switch Lever...
  • Page 5 BestScope International Limited BS-2082 Series Dust Cover Nosepiece Objective Condenser up-down knob Coarse Adjusting Fine Coarse Limit Ring Focusing Focusing Knob Knob...
  • Page 6 BestScope International Limited BS-2082 Series BS-2082F Series Biological Fluorescence Microscope Components Aperture Diaphragm Lens Focusing Knob Adjusting Pole Vertical Vertical centering Field Diaphragm Fluorescence Screw Adjusting Pole Illuminator Horizontal centering Screw Trinocular head Flashboard knob Blinkers Board XY Body Diaphragm...
  • Page 7 BestScope International Limited BS-2082 Series ND Filter Slot...

  • Page 8: Assembling

    Following is the Assembling Scheme, and the numbers denote the assembling order. ★ Before assembling, make sure there is no dust, dirt or other matters to affect the assembly. Assemble carefully and do not scrap any part or touch the glass surface. 1. BS-2082 Series Biological Microscope Assembling Scheme...
  • Page 9 BestScope International Limited BS-2082 Series 2. BS-2082 Series Biological Fluorescence Microscope Assembling Scheme...

  • Page 10: Assembling Steps

    BestScope International Limited BS-2082 Series 2-2 Assembling Steps 2-2-1 Assemble and Replace the Halogen Bulb (1) Loose lock-screw ① completely by M4 spanner, then take off the cover group. (See Fig. 1) (2) Open the bulb lock piece②, and take the bulb③...
  • Page 11 BestScope International Limited BS-2082 Series 2-2-4 Assemble the Condenser (1) Rotate the coarse focusing knob① to raise stage to the highest. (See Fig. 5) (2) Rotate the condenser up-down knob② to lower the condenser bracket to the lowest. (3) Loosen the condenser lock-screw③ fully.
  • Page 12 BestScope International Limited BS-2082 Series ★When replacing the objective, rotate the nosepiece until it sounds “ka-da”, to make sure the objective is in the center of the light path. 2-2-8 Assemble the Eyepiece (1) Take down the cover of eyepiece tube① (See Fig.

  • Page 13: Operation

    BestScope International Limited 3. Operation BS-2082 Series 3-1 Set Illumination (1) Put through the power and turn on the main power switch to“—” (see Fig. 11). (2) Adjust the light adjustment knob④ until the illumination is comfortable for observation. Rotate the light adjustment knob clockwise to raise the voltage and brightness.

  • Page 14: Select The Light Path

    BestScope International Limited BS-2082 Series 3-3 Select the Light Path For trinocular head, the light path selecting pole① control the light-energy ratio of binocular and trinocular. When the light path selecting pole is pushed to the innermost, all the light will enter the binocular head.

  • Page 15: Adjust The Focusing Tension

    BestScope International Limited BS-2082 Series 3-5 Adjust the Focusing Tension If the handle is very heavy when focusing or the specimen leaves the focus plane after focusing, or the stage declines itself, please rotate the tension adjustment knob① according to the arrowhead pointed direction.
  • Page 16 BestScope International Limited BS-2082 Series (1) Hold the x-axis knob①, tighten up the y-axis knob②, to expose the adjustment knob. (2) Rotate the x-axis knob③ or the y-axis knob④ in clockwise (the direction of the arrow), to reduce tension, while increase tension in counterclockwise.

  • Page 17: Center The Condenser

    BestScope International Limited BS-2082 Series 3-9 Center the Condenser (1) Rotate the condenser up-down knob① to raise it to the highest position. (See Fig. 21) (2) Rotate the spanner② to move the front lens into light path. ★Move the front lens of condenser into light path when the objective is beyond 20X.

  • Page 18: Adjust The Aperture Diaphragm

    BestScope International Limited BS-2082 Series 3-11 Adjust the Aperture Diaphragm The aperture diaphragm decides the numerical aperture of the illumination system. If the N.A. of illumination system matches with the N.A. of the objective, it can obtain better resolution and contrast, and increase the depth of field.

  • Page 19: Replace The Fuse

    BestScope International Limited BS-2082 Series Filter type/function ② ND6 (Neutral density filters, used for light intensity adjustment, which transmission is 6%） ③ ND25 (Neutral density filters, used for light intensity adjustment, which transmission is 25%） ④ LBD (Chroma balance, daylight-type color filters) ⑤...

  • Page 20: Assembling And Operation Of Fluorescence Illuminator

    BestScope International Limited 4. Assembling & Operation of Fluorescence Illuminator BS-2082 Series 4-1 Assemblage Steps 4-1-1 Assemble the Fluorescence Illuminator (1) Use a tool with cuspidal end to plug into gaps of the caps① on the illuminator, take off the caps. (Fig. 28)
  • Page 21 BestScope International Limited BS-2082 Series 4-1-3 Assemble the Nosepiece (1) Loose the lock screw on the arm. (See Fig. 31) (2) Match the dovetail interface② of the nosepiece with the dovetail groove of the arm, and push to the bottom. Tighten the lock screw①.
  • Page 22 BestScope International Limited BS-2082 Series 4-1-6 Assemble Mercury Lamp Light Source ⑴ Loose the lock-screw ① completely on fluorescence illuminator.(See Fig.34) ⑵ Push the light source holder ② into the holder ③ on the fluorescence illuminator to the bottom. Make the upper plane of the light source group to be horizontal and lock the screw ①.
  • Page 23 BestScope International Limited BS-2082 Series ★ The power supply box supports wide voltage as 100-240V. ★ Don’t use strong force when the power cord is bended or twisted, otherwise it will be damaged. ★ Use the special wire supplied by our company, which can only be used for power supply for mercury lamp box.

  • Page 24: Operation

    BestScope International Limited BS-2082 Series 4-2 Operation 4-2-1 Set Illuminations (1) After connect with main power supply, set the switch ① on mercury lamp power supply at “ ” (ON), — the mercury lamp is light on. It costs 5 minutes to warm up mercury lamp to be stable.
  • Page 25 BestScope International Limited BS-2082 Series According to the magnification of the objective used, adjust the field diaphragm with the pole of fluorescence pole. When the field diaphragm image is just at the edge of field, the objective can provide best performance and the image is the clearest.
  • Page 26 BestScope International Limited BS-2082 Series (1) Rotate the turntable, to turn the fluorescence filter B or G into the light path. (If there is no fluorescence filter B or G, use another fluorescence filter.) (See Fig. (2) Rotate the objective nosepiece, to turn the 10X objective into the light path.
  • Page 27 BestScope International Limited BS-2082 Series 4-2-4 Center the Mercury Lamp Filament ★ Firstly set the main power switch to position “Ⅰ”, and wait for 5~10 minutes, until the mercury arc light stabilizes, and then center the filament. (1) Install the centering objective into the nosepiece to move the centering objective into light path, and turn the frosted glass to the operating position.
  • Page 28 BestScope International Limited BS-2082 Series (9) Observe through eyepieces and adjust the condenser adjusting pole ① to make the field of view to reach the normal brightness, then lock the knob. ★ Centering the filament after the mercury lamp excitation source is stable, it will be more precise.

  • Page 29: Troubleshooting

    5. Troubleshooting BS-2082 Series As the performance of microscope can’t play fully due to unfamiliar operations, the table below can provide some solutions. 5-1 Solutions of BS-2082 Series Biological Microscope Problem Problem Cause Solution Field diaphragm is not large enough.
  • Page 30 BestScope International Limited BS-2082 Series Problem Cause Solution (6)The eyes feel tired Interpupillary distance is incorrect. Adjust the interpupillary distance. easily. The right field Diopter adjustment is incorrect. Adjust the diopter. of view doesn’t superpose with the The eyepiece for the right eye is different Use the same eyepieces.

  • Page 31: Solutions Of Mercury Bulb Fluorescent Device Problem

    BestScope International Limited BS-2082 Series 5-2 Solutions of Mercury Bulb Fluorescent Device Problem Problem Cause Solution Field diaphragm is not large enough. Open the field diaphragm larger. (1) The mercury lamp Filter blocks are not at correct position. Adjust them.

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