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Biological Microscope
Model：BS-2020B/T
Instruction Manual
This manual is written for biological microscope
BS-2020B/T.
To ensure the safety, obtain
optimum performance and to familiarize
you fully with the use of this microscope, it is
recommended strongly that you study this manual thoroughly before using the microscope and
retain this manual in an easily accessible place near the work desk for future reference.
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Table of Contents
Related Manuals for BestScope BS-2020B
Summary of Contents for BestScope BS-2020B
- Page 1 Biological Microscope Model：BS-2020B/T Instruction Manual This manual is written for biological microscope BS-2020B/T. To ensure the safety, obtain optimum performance and to familiarize you fully with the use of this microscope, it is recommended strongly that you study this manual thoroughly before using the microscope and...
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Page 2: Table Of Contents
Bestscope International Limited CONTENTS BS-2020 User Notices………………………………………………………… 1 Components Name…………………………………………………… 2 Installation …………………………………………………………… …………………………………… 2.1 Installing Diagram……………………… 2.2 Installing Steps ……………………………………………………………… 3 Adjustment & Operation ………………………………………… ……………… 3.1 Adjustment Controls …………………………………………… ………………………………………………………………………… 3.2 Operation 4 Technical Specifications …………………………………………… 5. Outfit Table …………………………………………………………... - Page 3 Bestscope International Limited User Notices BS-2020 I．Safety note 1. Carefully open the box, avoid the accessories, like lens, dropping to ground and being damaged. 2. Do keep the instrument out of direct sunlight, high temperature or humidity, dusty and easy shaking environment.
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Page 4: Components Name
Bestscope International Limited 1. Name of Components BS-2020 Eyepiece Binocular/Trinocular viewing head 双目观察头 Nosepiece Objective Condenser Collector Body Biological Microscope BS-2020B... -
Page 5: Installation
Bestscope International Limited 2．Installation BS-2020 2.1 Installing Diagram The following figure shows the installation sequence of the components. The number in the figure shows the assembly steps. Before installing, be sure every components is clean, do not score any parts or glass surface. -
Page 6: Installing Steps
Bestscope International Limited BS-2020 2.2 Installing Setps 2.2.1 Install the binocular viewing head (Fig.1-2) Insert the binocular viewing head into the head of the body, turn to the right position, then fix up it with bolt①. Fig.1 2.2.2 Install the eyepiece (Fig.3-4) Insert the eyepieces into the eyepiece tube until they are against each other. - Page 7 Bestscope International Limited BS-2020 2.2.3 Installing the Objective (Fig.5-6) 1. Adjusting the coarse focus knob until the support device of the mechanical stage reaches its low limit position. 2. Screw the lowest magnification objective into the nosepiece from the left or the right Fig.5...
- Page 8 Bestscope International Limited BS-2020 2.2.5 Connecting Power Cord (Fig.8-10) ★ The cable and cords are vulnerable when bent or twisted, never subject the power cord to excessive force. Before connecting the power cord, switch ① the main switch① to “O”(off).
- Page 9 Bestscope International Limited BS-2020 2.2.8 Installing and replacing the lamp Fig.11, 12, 13) 0.246810 There are two types of lamp for illumination, halogen Lamp 6V/20W and LED lamp 3W. When changing halogen lamp： 1. When being used, or soon after it is turned off, the lamp, the lamp house and nearby parts will be very hot ②...
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Page 10: Adjustment & Operation
Bestscope International Limited 3. Adjustment & Operation BS-2020 3.1 Adjustment Set Diagram (Fig.14-15) Fig.14 Fig.15... -
Page 11: Operation
Bestscope International Limited BS-2020 3.2 Operation 3.2.1 Adjusting the brightness (Fig.16) 1. Connect the power, turn on the main switch ① (figure 16) to “-”(on). 2. Turning brightness adjustment knob② ① anti-clockwise, the voltage raise, and the brightness strengthen; turning it clockwise, the voltage decline, ②... - Page 12 Bestscope International Limited BS-2020 3.3.4 Adjusting the center and height of the condenser (Fig.20) Rotating the focus knob of the condenser, let the condenser move up and down, let the condenser raise when we use high-power objective, and go down when we use low power objective.
- Page 13 Bestscope International Limited BS-2020 3.3.6 Adjusting interpupillary distance (Fig.22) The interpupillary distance range: 55mm～75mm. When observing with both eyes, hold on the left and right prism holder, turn around the Fig.22 axis, and adjust the interpupillary distance until the left and right fields of view coincide completely.
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Page 14: Technical Specifications
Bestscope International Limited 4． Technical Specifications BS-2020 (1) Main specifications Tube Length 160mm Compensation Free Binocular Head, Inclined at 30, Interpupillary distance: Viewing Head 55-75mm Eyepiece (Ocular) Line field of view: 18mm Nosepiece Backward Quadruple Nosepiece Objective Achromatic: 4×, 10×, 40×, 100×... -
Page 15: Outfit Table
Bestscope International Limited 5．Standard Outfit Table BS-2020 Component name Specification Number Standard outfit 〇 Frame 〇 Body Double layer mechanical stage 〇 Condenser holder 〇 Compensation Free Binocular Head Viewing system Monocular Head Optional 〇 Condenser Abbe NA 1.2 〇... -
Page 16: Troubleshooting
Bestscope International Limited 6．Troubleshooting BS-2020 PROBLEMS REASON FOR PROBLEMS SOLUTION Ⅰ. Optical Part: The nosepiece is not in the located Adjust it into the located position position (The objective is not in the (turning the objective to let it in the 1. - Page 17 Bestscope International Limited The condenser is not in the center Reset the condenser and adjust of the field or the condenser the Central bolt of the condenser incline carefully 4.The image one side is clear and The nosepiece is not in the...
- Page 18 Bestscope International Limited Check the power cord, and No power supply connect them exactly The installation of the bulb is 1. The lamp can’t light Install the bulb correctly wrong The bulb burn out Change a new bulb Use the required lamp, if the 2.
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