BestScope BS-6012 Series Instruction Manual
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BestScope BS-6012 Series Instruction Manual

Upright metallurgical microscope
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Version: V1.0
BS-6012 Series
Upright Metallurgical
Microscope
Instruction Manual
This instruction manual is for the operation guide, troubleshooting and
maintenance to the BS-6012 Series Upright Metallurgical 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-6012 Series

  • Page 1 Instruction Manual This instruction manual is for the operation guide, troubleshooting and maintenance to the BS-6012 Series Upright Metallurgical 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

    BestScope International Limited Contents BS-6012 Series Before Use 1. Components ..........................1 2. Assembling ..........................5 2-1 Assembling Scheme ......................5 2-2 Assembling Steps ......................7 3. Operation ..........................11 3-1 Set Illumination ......................11 3-2 Select the Light Path ...................... 12 3-3 Adjust the Bracket (For Reflected Illumination) .............

  • Page 3: Before Use

    BestScope International Limited Before Use BS-6012 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 Main switch ON Main switch OFF...

  • Page 5: Components

    BestScope International Limited 1. Components BS-6012 Series BS-6012 Series Upright Metallurgical Microscope (LED Illumination) Components Field Diaphragm Aperture Diaphragm Light Path Adjusting Pole Adjusting Pole Eyepiece Selecting Pole Filter Slot Inner Hexangular Analyzer Spanner Slot Diaphragm Centering Stage Screw Polarizer...
  • Page 6 BestScope International Limited BS-6012 Series Diaphragm Diopter Reflected Hinged Centering Adjustment Illuminater Trinocular Head Screw Ring LED Light Oblique Source Group Illumination (Reflected Pole Illumination) Nosepiece Metallographic Body Objective Condenser Power Switch Focusing Bracket Group Fuse Condenser Up-down Adjustment knob...
  • Page 7 BestScope International Limited BS-6012 Series BS-6012 Series Upright Metallurgical Microscope (Halogen Illumination) Components Aperture Diaphragm Light Path Field Diaphragm Adjusting Pole Selecting Pole Eyepiece Adjusting Pole Filter Slot Inner Hexangular Analyzer Spanner Slot Diaphragm Stage Centering Screw Condenser Center Polarizer...
  • Page 8 BestScope International Limited BS-6012 Series Diaphragm Diopter Reflected Hinged Centering Adjustment Illuminator Trinocular Head Screw Ring Halogen Light Source Group Oblique (Reflected Illumination Illumination) Pole Nosepiece Metallographic Objective Body Condenser Power Focusing Switch Bracket Group Fuse Condenser Up-down Adjustment knob...

  • Page 9: Assembling

    BestScope International Limited 2. Assembling BS-6012 Series 2-1 Assembling Scheme 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.
  • Page 10 BestScope International Limited BS-6012 Series BS-6012 Upright Metallurgical Microscope (Halogen Illumination) ① ① ⑨ ② ② ⑤ ⑥ ④ ⑦ ⑧ ③...

  • Page 11: Assembling Steps

    BestScope International Limited BS-6012 Series 2-2 Assembling Steps 2-2-1 Assemble and Replace the Halogen Bulb ◎For Transmitted Illumination When assembling the halogen bulb for transmitted illumination, hold the bulb① with clean glove or tissue and fully insert the pins② into the receptacles③...
  • Page 12 BestScope International Limited BS-6012 Series ◎ For Transmitted Illumination (Halogen light source) (1) Match the guide pins① of light source group with the guide receptacles② of base, and push the light source group into the base thoroughly. (See Fig. 7) (2) Insert the plug③...
  • Page 13 BestScope International Limited BS-6012 Series 2-2-4 Assemble the Condenser (1) Rotate the coarse focusing knob① to raise stage to the highest. (See Fig. 11) (2) Rotate the condenser up-down knob② to move the condenser bracket to the lowest. (3) Loosen the condenser lock-screw③ fully.
  • Page 14 BestScope International Limited BS-6012 Series ★Search and focus the sample by low magnification objective (5X or 10X) when operating. Then get change to the high magnification ones according to the observation requirements. ★When replacing the objective, rotate nosepiece until it sounds “ka-da”, to make sure the objective is in the center of the light path.

  • Page 15: Operation

    BestScope International Limited 3. Operation BS-6012 Series 3-1 Set Illumination ◎ For Reflected Model (1) Put through the power and turn on the main power switch to“—” (ON). (2) Adjust the light adjustment knob① until the illumination is comfortable for observation. Rotate the light adjustment knob①...

  • Page 16: Select The Light Path

    BestScope International Limited BS-6012 Series 3-2 Select the Light Path For trinocular head, the light path selecting pole① controls the light-energy ratio of binocular and trinocular. When the light path selecting pole① is pushed to the innermost, all the light will enter the binocular head.

  • Page 17: Adjust The Focusing Tension

    BestScope International Limited BS-6012 Series ★The random upper limit knob can prevent the objective touching the slice when focusing. ★The random upper limit knob does not react on the fine focusing knob. (3) Rotate the fine focusing knob③ for clear details.

  • Page 18: Adjust The Interpupillary Distance

    BestScope International Limited BS-6012 Series 3-7 Adjust the Interpupillary Distance When using two eyes to observe, hold the left and right bases of prism and rotate them around the axis to adjust the interpupillary distance, until there is only one field of view, and is comfortable for observation.

  • Page 19: Adjust The Field Diaphragm

    BestScope International Limited BS-6012 Series 3-9 Adjust the Field Diaphragm By limiting the diameter 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 can perform best and obtain the clearest image.
  • Page 20 BestScope International Limited BS-6012 Series Since the contrast of microscopic samples is usually low, in actual use, it is advised to adjust the condenser aperture diaphragm to be 70%-80% of the N.A. of objective. In actual use, according to the contrast of samples, ajust the aperture diaphragm, to obtain comfortable observation and good contrast.

  • Page 21: Adjust The Stage

    BestScope International Limited BS-6012 Series 3-11 Adjust the Stage When observing, move the stage by rotating the X-axis① and Y-axis② adjustment knob. If the moving direction of the stage is different from the image’s, rotate the stage to adjust it (See Fig. 32).

  • Page 22: Use The Color Filter

    BestScope International Limited BS-6012 Series 3-14 Use the Color Filter The color filter can make the background more suitable and strengthen the image contrast. ◎ For Transmitted Illumination Insert the filter into the condenser group groove, as the arrow direction shown in the figure. (See Fig. 35) There are four colors of filter selectable: blue, green, yellow and white.

  • Page 23: Assemble And Use The Tv Device

    BestScope International Limited BS-6012 Series (2) Insert the analyzer③ fully into the analyzer slot④ of the reflected illuminator. (See Fig.38) (3) The polarizer and the analyzer are orthogonal when the 360° rotating analyzer is zero adjusted (or the fixing analyzer is used).

  • Page 24: Replace The Fuse

    BestScope International Limited BS-6012 Series 3-18 Replace the Fuse Turn the main switch to “O” (OFF) before replacing the fuse. Pull out the power cord. Screw out the fuse group① from the fuse base②, with a “-” type screwdriver. Install a new fuse and screw it back into the fuse base thoroughly (See Fig.

  • Page 25: Troubleshooting

    BestScope International Limited 4. Troubleshooting BS-6012 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 Aperture diaphragm is not large Enlarge the aperture diaphragm.
  • Page 26 BestScope International Limited Adjust the interpupillary (6) The eyes feel Interpupillary distance is incorrect. distance. tired easily. The right field of view Diopter adjustment is incorrect. Adjust the diopter. doesn’t superpose The eyepiece for the right eye is Use the same eyepieces.
  • Page 27 BestScope International Limited (4) The bulb The bulb will burn out soon. Replace it with a new one. flickers or the brightness is not The wire doesn’t connect well. Connect it correctly. stable.

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