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BS-2094 Series
Inverted Biological Microscope
Instruction Manual
BS-2094A
BS-2094AF
BS-2094B
BS-2094BF
This instruction manual is intended for users of the Inverted Series Biological Microscope BS-2094. To ensure
safety use, perform the best performance and to familiarize yourself with the use of this microscope, please read
this manual carefully before operating this product.
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Table of Contents
Related Manuals for BestScope BS-2094 Series
Summary of Contents for BestScope BS-2094 Series
- Page 1 BS-2094 Series Inverted Biological Microscope Instruction Manual BS-2094A BS-2094AF BS-2094B BS-2094BF This instruction manual is intended for users of the Inverted Series Biological Microscope BS-2094. To ensure safety use, perform the best performance and to familiarize yourself with the use of this microscope, please read...
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Page 2: Table Of Contents
BestScope International Limited Contents Before Using …………………………………………………………………… Safety Symbol………………………………………………………………… Safety Precautions …………………………………………………………… Care and Maintenance………………………………………………………… Chapter 1 Introduction ………………………………………………………… 1.1 Technical Specifications ………………………………………………… 1.1.1 Main Technical Specifications and Configuration…………………… 1.1.2 Objective Parameters………………………………………………… 1.1.3 Electrical Parameters………………………………………………… 1.2 Components ……………………………………………………………… Chapter 2 Overview of Agencies ………………………………………………... - Page 3 BestScope International Limited 3.11 Operating the Episcopic Illumination Microscopy……………………………… 3.11.1 Episcopic Illumination……………………………………………… 3.11.2 Fluorescence Filter Cube Turret …………………………………… 3.11.3 Filter Cube Switching Unit ………………………………………… 3.11.4 Fluorescence Filter Cube…………………………………………… 3.11.5 Fluorescence LED Unit …………………………………………… 3.12 Operating the LCD ……………………………………………………… 3.12.1 The status of LCD …………………………………………………...
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Page 4: Before Using
BestScope International Limited Before Using BS-2094 Safety Symbol Symbol Description The surface is hot and cannot be touched with bare hands. Please read this manual carefully before using the product. Incorrect usage can cause personal injury or property damage. The main power switch is turned on. -
Page 5: Care And Maintenance
BestScope International Limited BS-2094 5. Grounding the machine to avoid lightning strike. To ensure safety, always make sure the main switch is in "O" (disconnecting) and cut off the power while waiting for the LED lights and the lamp room to cool completely. Input voltage check: the input voltage indicated on the back of the microscope is consistent with the supply voltage, otherwise the microscope will be seriously damaged. - Page 6 BestScope International Limited BS-2094 Because the solvent such as ether and alcohol are extremely flammable, do not operate power switch of various electrical equipment when using, and keep away from open fire, please ensure indoor ventilation. Do not use organic solvents to clean the non-optical parts of the microscope. Please use neutral detergents when cleaning.
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Page 7: Chapter 1 Introduction
BestScope International Limited Chapter 1 Introduction BS-2094 1.1 Technical Specifications 1.1.1 Main technical specifications and configuration Device Technical Specifications BS-2094A BS-2094AF BS-2094B BS-2094BF Extra Wide Field Eyepiece 10×/22 ● ● ● ● Eyepiece Field Eyepiece 15×/16 ○ ○ ○ ○... -
Page 8: Objective Parameters
BestScope International Limited BS-2094 Optional Objective Technical Specifications Infinity plan semi-apochromatic objective (adjustable) 20×, 40×, 60× Infinity plan semi-apochromatic phase contrast objective (adjustable) 20×, 40×, 60× Infinity plan semi-apochromatic phase contrast objective 4×, 10×, 20×, 40×, 60× 1.1.2 Objective parameters... -
Page 9: Components
BestScope International Limited BS-2094 1.2 Components The microscope BS-2094A components (following diagrams), BS-2094B add LCD based on BS-2094A. Universal holder Eyepiece Condenser Viewing head Objective Moving stage Mainframe Stage Nosepiece BS-2094A... - Page 10 BestScope International Limited BS-2094 The microscope BS-2094BF components (following diagrams), BS-2094AF = BS-2094BF remove LCD screen. Condenser Eyepiece Objective Viewing head Moving stage Universal holder Fluorescence Mainframe illumination Stage Filter Cube turret Nosepiece BS-2094BF...
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Page 11: Chapter 2 Overview Of Agencies
BestScope International Limited Chapter 2 Overview of the microscopes BS-2094 BS-2094AF Condenser aperture adjustment knob Fine focus knob Contrast slider Coarse focus knob Upper lighting shading part (only FL) Brightness adjusting knob Up/ down illumination switch (Transmitted Stage illumination for biological model) - Page 12 BestScope International Limited BS-2094 BS-2094AF Emboss contrast slider Moving stage Fluorescent baffle (only FL) 10 Universal bracket/ holder Elastic adjustment knob 11 Condenser set screw Bracket horizontal movement knob Bracket vertical movement knob Fuse Outlet • Built-in fluorescent light source part...
- Page 13 BestScope International Limited BS-2094 BS-2094BF Condenser aperture adjustment knob Fine focus knob Contrast slider 10 Coarse focus knob Universal bracket/ holder set screw 11 intelligent adjuster (only BS-2094B series) Stage bracket/ holder 12 Power indicator Fluorescence cube turret (only FL)
- Page 14 BestScope International Limited BS-2094 BS-2094BF Fluorescent baffle (only FL) Built-in fluorescent light source and fuse (only FL) Universal bracket/ holder Nosepiece Emboss contrast slider 10 Moving ruler (attachable mechanical stage) Elastic adjustment knob 11 Upper lighting shading part (only FL)
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Page 15: Chapter 3 Regulation And Operation
BestScope International Limited Chapter 3 Operation BS-2094 3.1 Turning on the Power Turn on the power and turn on the main switch which is at the back of the microscope body to "-" (on). Power switch 3.2 Turning the Illumination on 3.2.1... -
Page 16: Adjusting The Illumination Brightness
BestScope International Limited BS-2094 3.3 Adjusting the Illumination Brightness As shown in the direction of rotation, the light source is enhanced, whereas the light source weakened. 3.4 Specimen Placement and Stage Knob Adjustment Load the slide holder into a mechanical stage, and the cover glass slides downward slowly into the grooves of the slide plate. -
Page 17: Pallet
BestScope International Limited BS-2094 3.4.2 Holders There are a variety of holders to choose from. Model Terasaki microplate Universal holder 54mm Petri dish holder/ Slide holder 60 mm Petri dish holder/ Slide holder 90 mm Petri dish holder 3.4.3 Auxiliary stage... -
Page 18: Focusing On The Specimens
BestScope International Limited BS-2094 3.6 Focusing on the Specimens limit screw 3.6.1 Focus knob To adjust the focus, rotate the focus knobs on the right and left sides of the microscope to move the objective up and down. The figure to the right illustrates the... -
Page 19: Adjusting The Diascopic Illumination Aperture Diaphragm
BestScope International Limited BS-2094 3.7 Adjusting the Transmitted Illumination Aperture Diaphragm Insert a centering telescope in the eyepiece tube, adjust the focal length, and view the objective pupil plane (a bright circle) and the aperture diaphragm image. Adjust the aperture diaphragm so that the size of the... -
Page 20: Operation The Phase Contrast Microscope
BestScope International Limited BS-2094 3.9 Operation the Phase Contrast Microscope Phase contrast microscopy requires phase contrast (PH) objectives and PH sliders. Annular diaphragm Hollow position Centering hold Centering hold (on the side) (on the side) If PH Slider is used, it is possible to center the annular diaphragm. Turn the centering screw of the PH slider to merge the annular diaphragm image with the phase ring image in the objective. -
Page 21: Operation The Emboss Contrast Microscope
BestScope International Limited BS-2094 3.10 Operation the Emboss Contrast Microscope To perform emboss contrast microscopy, a condenser-side emboss contrast slider and eyepiece-tube-side emboss contrast slider must be mounted on the microscope. 3.10.1 Condenser-side emboss contrast slider The condenser-side emboss contrast... -
Page 22: Operating The Episcopic Illumination Microscopy
BestScope International Limited BS-2094 3.11 Operating the Episcopic Illumination Microscopy (for the BS-2094AF Only) 3.11.1 Episcopic illumination (for BS-2094AF) As right figure shown, press the illumination switch switch between episcopic illumination LED and diascopic illumination fluorescent LED mode. Fluorescent LED illumination will turn... -
Page 23: Fluorescence Filter Cube
BestScope International Limited BS-2094 position, seen from the front of the microscope: If you select the bright-field position, the filter cube is removed from the optical path. The three bright-field positions have the same function. Rotate the turret so that the fluorescence positions... -
Page 24: Operating The Lcd
BestScope International Limited BS-2094 3.12 Operating the LCD (for BS-2094B series) 3.12.1 The status of LCD Start & working mode Standby SLEEP Lock Time setting TIME 3.12.2 Operating the illumination switch ⚫ Click brightness adjuster: becoming standby mode, it’s “SLEEP” in the screen. Click again, it becomes working mode. -
Page 25: Chapter 4 Assembly
BestScope International Limited Chapter 4 Assembly BS-2094 4.1 Installation diagram The order of installation of each component is shown in the following figure, and the digital indicate the installation step. Save the supplied hexagonal spanner. You need it when you change parts. -
Page 26: Installation Steps
BestScope International Limited 4.2 Installation Steps BS-2094 4.2.1 Installing the Condenser Unscrew the captive screws on the condenser a certain distance before aligning the tube with the dovetail groove of the condenser, then pushing lightly to the lowest position horizontally. and tighten the set screws. -
Page 27: Installing The Objective
BestScope International Limited BS-2094 4.2.4 Installing the Objective 1. Adjust the coarse focus knob until the converter drops to low limit. 2. Screw the objectives with the lowest magnification to the converter from the left or right and then push the nosepiece clockwise to install the other objectives in descending order of magnification. -
Page 28: Installing The Camera
BestScope International Limited BS-2094 4.2.7 Installing the Camera 1) Remove dust cover from 1X relay 1X Relay lens lens(C-mount adapter). Screw the camera into the relay lens Dust as shown. cover In the process of installing the camera, pay attention to one hand always hold the camera to prevent fall and break. -
Page 29: Assembly Episcopic Illumination Microscopy
BestScope International Limited 4.3 Assembly for Episcopic Illumination BS-2094 4.3.1 Attaching the Filter Cube 1) Remove the cover from the filter cube mounting port. 2) Turn the turret to a position where a filter Filter cube cube can be mounted easily. -
Page 30: Chapter 5 Maintenance And Storage
BestScope International Limited Chapter 5 Maintenance and Storage BS-2094 5.1 Cleaning Clean or disinfect the lenses and other components according to the following instructions. Cleaning tools Blower ⚫ Soft brush ⚫ Soft cotton cloth, lens cleaning tissue, gauze, etc. ⚫... -
Page 31: Cleaning Off Immersion Oil
BestScope International Limited BS-2094 5.1.3 Cleaning off Immersion Oil (1) Wipe off using petroleum benzene. (2) Then, wipe off using absolute alcohol (ethyl alcohol or methyl alcohol) for a better finish. If petroleum benzene is unavailable If petroleum benzene is unavailable, use methyl alcohol. Note that methyl alcohol is less effective, and requires more wipes. -
Page 32: Chapter 6 Troubleshooting
BestScope International Limited Chapter 6 Troubleshooting BS-2094 6.1 Optical System TROUBLE CAUSE SOLUTION The nosepiece is not in the located Locate the nosepiece properly position (objective and light path not The edge of the field where it clicks coaxial) of view is dark or... -
Page 33: Electrical Parts
BestScope International Limited BS-2094 6.2 Mechanical System TROUBLE CAUSE SOLUTION image cannot focus Turn it over; Specimen is placed reversely; with the high-power Use standard cover glass with Cover slip is too thick objective thickness of 0.17mm The objective will Turn it over;... - Page 34 We provide a lifetime maintenance of the microscope, and provide a price discount for long term out of warranty. Contact information: BestScope International Limited Add: 4#811, No.26 Financial Street, Shi Jing Shan District, Beijing, China Tel: +86 10 88747221 E-mail: info@bestscope.net...
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