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Biological Microscope
BS-2042 Series
Instruction Manual
This manual expatiates the using method, troubleshooting and maintenance about BS-2042
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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Table of Contents
Related Manuals for BestScope BS-2042 Series
Summary of Contents for BestScope BS-2042 Series
- Page 1 Biological Microscope BS-2042 Series Instruction Manual This manual expatiates the using method, troubleshooting and maintenance about BS-2042 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.
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Page 2: Table Of Contents
3-7 Adjust the Aperture Diaphragm ..............12 3-8 Use the Oil Objective (100X) ................13 3-9 Use the Filter ....................13 3-10 Replace the Fuse ...................15 4. Technical Specifications ..................16 4-1 BS-2042 Series Biological Microscope Technical Parameters ......16 4-2 Parameters of objective ..................16 5. Troubleshooting ....................17... - Page 3 BestScope International Limited Before Use BS-2042 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 BS-2042 Series 2. Maintenance 1. Wipe the lens gently with a soft tissue. Carefully wipe off the oil marks and fingerprints on the lens surfaces with a tissue moistened with a small amount of 3:7 mixture of alcohol and ether or dimethylbenzene.
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Page 5: Components
BestScope International Limited 1. Components BS-2042 Series Binocular Head Eyepiece Tension Adjustment Objective Ring Stage Coarse Focusing Koehler Illuminator Knob Condenser Focus Arm Built-in Koehler Light Adjustment Fine Focusing Illuminator Knob Knob Condenser - 4 -... - Page 6 BestScope International Limited BS-2042 Series Lock-screw Y-axis Adjustment Knob Objective Nosepiece Coarse Focusing Knob Diaphragm Adjustment Knob Fine Focusing Knob X-axis Adjustment Power Switch Knob - 5 -...
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Page 7: Assembling
BestScope International Limited 2. Assembling BS-2042 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 or dirt. Assemble carefully and do not scrap any part or touch the glass surface. -
Page 8: Assembling Steps
BestScope International Limited BS-2042 Series 2-2 Assembling Steps 2-2-1 Assemble the Condenser 1. Rotate the coarse focusing knob① to raise the stage to the highest position (see Fig. 2. Rotate the condenser up-down knob② to lower the bracket of condenser to the suitable position. - Page 9 BestScope International Limited BS-2042 Series 2-2-3 Assemble the Eyepiece 1. Take down the cover of eyepiece tube①. 2. Insert the eyepiece ② into the eyepiece tube, until touch the surface (see Fig. 5). 2-2-4 Connect the Power Cord Fig. 5 ★...
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Page 10: Operation
BestScope International Limited 3. Operation BS-2042 Series 图 3-1 Set Illumination 1. Put through the power and turn on the main power switch to“—”. 2. Adjust the light adjustment knob① until the illumination is comfortable for observation. Rotate the light adjustment knob clockwise to raise the voltage and brightness. -
Page 11: Adjust The Focus
BestScope International Limited BS-2042 Series 3-3 Adjust the Focus 1. Move the objective 4X to the light path. 2. Observe the right eyepiece with right eye. Rotate the coarse focusing knob① until the image appears (see Fig. 10). 3. Rotate the fine focusing knob③ for clear details. -
Page 12: Adjust The Field Diaphragm
BestScope International Limited BS-2042 Series Adjust Field Diaphragm (Iris Diaphragm Koehler Illuminator Condenser Optional) By limiting the diameter of the beam entering the condenser, the field diaphragm can prevent other light and strengthen the image contrast. When the image is just on the edge... -
Page 13: Use The Oil Objective (100X)
BestScope International Limited BS-2042 Series 3-8 Use the Oil Objective (100X) 1. Use objective 4X to focus the specimen. 2. Place a drop of oil① on the specimen (see Fig. 15). 3. Rotate the nosepiece counterclockwise and rotate the oil objective (100X) to the light path. -
Page 14: Replace The Fuse
BestScope International Limited BS-2042 Series 3-10 Replace the Fuse Turn the main switch to “0” (OFF) before replacing the fuse. Pull out the power cord. Then screw off the fuse group①from the fuse base② with a “-” type screwdriver. Install a new fuse and screw it on the fuse base (see Fig. -
Page 15: Technical Specifications
BestScope International Limited 4. Technical Specifications BS-2042 Series 4-1 BS-2042 Series Biological Microscope Technical Parameters Optical system UIS (universal infinity-corrected optical system) Head Binocular head of Gemel type, 30° inclined Eyepiece PL10X18T diopter adjustable eyepiece, 18mm line field of view... -
Page 16: Troubleshooting
BestScope International Limited 5. Troubleshooting BS-2042 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 Part Field diaphragm is not large enough. Enlarge the field diaphragm. - Page 17 BestScope International Limited BS-2042 Series - 16 -...
- Page 18 BestScope International Limited Problem Cause Solution (6) The eyes feel Adjust interpupillary Interpupillary distance is wrong. tired easily. The distance. right field of view The eyepieces for the right are doesn’t superpose Use the same eyepieces. different from the left.
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