BestScope BS-2064 Series Instruction Manual
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BestScope BS-2064 Series Instruction Manual

Biological microscope
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Version No.: V1.0
BS-2064 Series Biological
Microscope
Instruction Manual
BS-2064B
BS-2064T
This instruction manual is for the operation guide, troubleshooting
and maintenance to BS-2064 Series Biological Microscope. Please study
this manual thoroughly before operatin g, 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-2064 Series

  • Page 1 BS-2064T This instruction manual is for the operation guide, troubleshooting and maintenance to BS-2064 Series Biological Microscope. Please study this manual thoroughly before operatin g, and keep it with the instrument. The manufacturer reserves the rights to the modifications by technology development.

  • Page 2: Table Of Contents

    BestScope International Limited Contents BS-2064 Series Before Use 1. Components ..........................1 2. Assembling ..........................3 2-1 Assembling Scheme ......................3 2-2 Assembling Steps ......................4 3. Operation ........................... 7 3-1 Set Illuminations ......................7 3-2 Place the Specimen Slide ....................7 3-3 Adjust Focusing ........................

  • Page 3: Before Use

    BestScope International Limited Before Use BS-2064 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 BestScope International Limited dry. 4. Never disassemble the microscope. It will influence its function or damage it. 5. After using, cover the microscope with a dust cover. 3. Safety Sign Sign Signification The surface gets hot and don’t touch it with bare hand.

  • Page 5: Components

    BestScope International Limited 1. Components BS-2064 Series BS-2064 Series Biological Microscope Components Light Path Condenser Selecting Pole Eyepiece Trinocular Head Up-down Knob Inner Hexagon Spanner Objective Tension Stage Adjustment Knob Condenser Center Adjusting Screw Field Diaphragm Adjusting Ring Y-axis Moving...
  • Page 6 BestScope International Limited BS-2064 Series Random Upper Diopter Body Limit Knob Adjustment Ring Power Switch Nosepiece Fuse Condenser Focus Arm Power Light Coarse Light Fine Socket Source Focusing Adjustment Focusing Group Knob Knob Knob...

  • Page 7: Assembling

    BestScope International Limited 2. Assembling BS-2064 Series 2-1 Assembling Scheme Following is the Assembling Scheme to describe how to assemble the components, and the numbers denote the assembling order. ★ Before assembling, make sure there is no dust, dirt or other materials which will disturb it.

  • Page 8: Assembling Steps

    BestScope International Limited BS-2064 Series 2-2 Assembling Steps 2-2-1 Assemble the Halogen Bulb Hold the bulb ① with clean glove or tissue and insert the pins ② into the receptacles ③ thoroughly. Make sure the bulb is vertical (See Fig. 3).
  • Page 9 BestScope International Limited BS-2064 Series scale forward. Make the lock screw of condenser in alignment with the groove of the condenser stand. Push the condenser into the innermost of stand. (5) Screw down the condenser lock-screw③, and raise the condenser to the highest position with the condenser up-down knob②.
  • Page 10 BestScope International Limited BS-2064 Series 2-2-8 Connect the Power Cord (1) Make sure the power switch is at “O” (OFF). (See Fig. 10) (2) Insert one end of power cord① into the power socket② of the microscope. (3) Insert the other end of power cord into the power supply socket.

  • Page 11: Operation

    BestScope International Limited 3. Operation BS-2064 Series 3-1 Set Illuminations (1) Put through the power and turn on the main power switch to“—”. (see Fig. 11) (2) Adjust the light adjustment knob① until the illumination is comfortable for observation. Rotate the light adjustment knob①...

  • Page 12: Adjust The Focusing Tension

    BestScope International Limited BS-2064 Series open both the aperture diaphragm and field diaphragm to the maximum position, and swing out the front condenser lens. See “3-7 Center the Condenser” for condenser operations. 3-4 Adjust the Focusing Tension If the handle is very heavy when focusing or the...

  • Page 13: Center The Condenser

    BestScope International Limited BS-2064 Series scale of the interpupillary distance indicator. The scale value is the interpupillary distance. Adjustable range: 50~76mm. ★Remember your eye’s interpupillary distance, so that you can use it next time. 3-7 Center the Condenser (1) Rotate the condenser up-down knob① to raise it to the highest position.

  • Page 14: Adjust The Aperture Diaphragm

    BestScope International Limited BS-2064 Series 3-9 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 15: Use The Eye-Cap

    BestScope International Limited BS-2064 Series 3-11 Use the Eye-cap (1) Turn over the eye-cap if the user is wearing glasses, so that it can prevent the glasses touching the eyepieces and avoid damaging to both glasses and eyepieces. (2) Open the eye-cap if the user doesn’t wear glasses, so that it can prevent stray light disturbing the observation.

  • Page 16: Replace The Fuse

    BestScope International Limited BS-2064 Series alcohol and ether or with dimethylbenzene. Wipe off the oil on the specimen. ★ Don’t put another objective to the light path before the oil is wiped to avoid wetting the dry objective. ★ Too much dimethylbenzene would dissolve the lens’s stickiness.

  • Page 17: Centering Halo

    BestScope International Limited BS-2064 Series ring①. phase contrast observation, ring diaphragm magnification of phase contrast ring① should match with the phase contrast objective, and center the ring diaphragm. In bright field observation, rotate the phase contrast ring① to “BF” position.

  • Page 18: Assemble And Use The Tv Device

    BestScope International Limited BS-2064 Series 3-17 Assemble and Use the TV Device (1) Loosen the lock screw① of trinocular head, and take out the dust-cover②(See Fig.29). (2) Take off the dust-cap of the TV adapter③. Insert the TV adapter into the trinocular head as shown in the figure and screw down the lock screw①.

  • Page 19: Technical Specifications

    BestScope International Limited 4. Technical Specifications BS-2064 Series 4-1 Key Technical Specifications of BS-2064 Series Biological Microscope Optical Color corrected infinity optical system System Gemel Binocular head, 30° inclined, 360° rotatable. Gemel Trinocular head, 30° inclined, 360° rotatable, Splitting ratio: Binocular Head Head 100%, Binocular Head/ Trinocular Head 50%/50%.
  • Page 20 BestScope International Limited BS-2064 Series 4-2 Parameters of Objective Numerical Operating Conjugate Parfocal Thickness Magnification Type Magnification Aperture Range Distance Distance of Cover Mark (N.A) (mm) (mm) (mm) Glass (color ring) 0.10 11.9 ∞ 0.17 Infinity 0.25 12.1 ∞ 0.17...

  • Page 21: Troubleshooting

    BestScope International Limited 5. Troubleshooting BS-2064 Series As the performance of microscope can’t play fully due to unfamiliar operations, the table below can provide some solutions. Problem Cause Solution 1. Optical system Field diaphragm is not large enough. Enlarge the field diaphragm.
  • Page 22 BestScope International Limited Problem Cause Solution Condenser is too low. Adjust the condenser. The specimen slide is not fixed. Fix it with clips. (5) One side of the image is dark or the Turn the nosepiece into the right The nosepiece is not in the right position.
  • Page 23 BestScope International Limited Problem Cause Solution 3. Electrical Part Check the connection of the power No power supply. cable. (1) The bulb does not The bulb is not installed correctly. Install it correctly. work. The bulb burns out. Replace it.

This manual is also suitable for:

Bs-2064bBs-2064t

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