BestScope BS-4000A Instruction Manual
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BestScope BS-4000A Instruction Manual

Industry inspection microscope
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Industry Inspection Microscope
Model Number
BS-4000A/B
Instruction Manual
This manual is written for Industry Inspecting Microscope of BS-4000A/B. For safety and for exerting the best
performance, making you familiar with the instrument entirely, it is strongly recommended that you read this
manual carefully before using the microscope.

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  • Page 1 BS-4000A/B Instruction Manual This manual is written for Industry Inspecting Microscope of BS-4000A/B. For safety and for exerting the best performance, making you familiar with the instrument entirely, it is strongly recommended that you read this manual carefully before using the microscope.

  • Page 2: Table Of Contents

    BestScope International Limited Contents BS-4000A/B User Notices Name of Components Installation 2-1 Installing steps Adjustment & Operation 3-1 Adjustment Set Diagram 3-2 Operation 3-3 Microscope Video 3-4 Microscope Photography Technical Specifications Trouble Shooting...

  • Page 3: User Notices

    BestScope International Limited Use Notices BS-4000A/B I. Safety note ！ Make sure that the input voltage is consistent with the power supply voltage, or it will bring a serious damage to the instrument. 1. Carefully open the box, avoid the accessories, like lens, dropping to ground and being damaged.

  • Page 4: Name Of Components

    BestScope International Limited 1. Name of Components BS-4000A/B Metallurgical Trinocular Viewing Filter Board Illumination System Eyepiece Head (Fixed) Nosepiece Objective Stage Body...

  • Page 5: Installation

    BestScope International Limited 2．Installation BS-4000A/B 2.1 Installing Steps 2.1.1 Installing the Stage (Fig.1-2) ② ③ 1. Loosen the setscrew①. Push the stage into the holddown groove ②and make the stage touch the retainer③. 3. Tighten the setscrew① until the stage is installed firmly.
  • Page 6 BestScope International Limited BS-4000A/B 2.1.2 Installing the Objective (Fig.3-4) 1. Adjust the coarse focus knob①, till the mechanical stage to the low limited place.  For ensuring the safety of the instrument during transportation, the nosepiece is located in the lowest position and the tension adjustment ②...
  • Page 7 BestScope International Limited BS-4000A/B 2.1.4 Mounting the video (photography) adapter (Fig.6-8) Insert the video (photography) adapter tube (Fig.6) into the trinocular viewing head (Fig.7), and screw down the bolt to fix it, as shown in Fig.8. Fig.7 Fig.6 2.1.5 Mounting Filters and Polarizer (Fig.9-10) Insert the filter into the corresponding jack, as shown in Fig.10.
  • Page 8 BestScope International Limited BS-4000A/B 2.1.6 Mounting Analyzer (Fig.11) Insert the analyzer① into the jack under the trinocular viewing head if necessary, as shown in ① Fig.11. ★ Analyzer can be used alone or matched with the polarizer. Fig.11 2.1.7 Connecting the Power Cord (Fig.12-14) ★...
  • Page 9 BestScope International Limited BS-4000A/B 2.1.9 Installing and replacing the lamp (Fig.15-18) ★ Please use the specified halogen Lamp 6V20W. 1. Pull out the lamp-house① as the picture show (Fig.15). 2. Hold to the bulb ①after you wrap it with gauze or other protection materials, then depress the plugs ②fully into the jack ③...

  • Page 10: Adjustment & Operation

    BestScope International Limited 3. Adjustment & Operation BS-4000A/B 3.1 Adjustment Set Diagram (Fig.19) Diopter Ring Interpupillary View field Aperture Gather Lens Distance Diaphragm Diaphragm Adjust Lever Stage moving Knob Portrait Adjustment Knob Lateral Adjustment Coarse Fine Light Switch Knob Focus Knob Focus Knob Fig.19...

  • Page 11: Operation

    BestScope International Limited BS-4000A/B 3.2 Operation 3.2.1 Open Lamp-House (Fig.20) Connect the power, turn on the main switch① (Fig.20) to “-”(on). 3.2.2 Adjusting the Brightness (Fig.21) ① Turning the brightness adjustment knob① anti-clockwise, the voltage raise, and the brightness Fig.20 strengthen.
  • Page 12 BestScope International Limited BS-4000A/B 3.2.4 Adjusting the Diopter (Fig.23) 1. Observe the right ocular tube with your right eye. Turn the Coarse & Fine Focus Knob to focus the specimen. 2. Observe the left ocular tube with your left eye. If not in focus just adjust the Diopter Ring①...
  • Page 13 BestScope International Limited BS-4000A/B 3.2.7 Placing Specimen (Fig.26-27) Place the slide on the center of the mechanical stage①. 2. Turn the lateral②and portrait③ adjustment knob of the mechanical ruler or the mechanical stage moving knob④ to make the specimen onto the required position.
  • Page 14 BestScope International Limited BS-4000A/B 3.2.9 Switching the Light Path (Fig.29) ① ◎ Slide the light path selector lever① by your thumb to select the light path you need. ◎ For the binocular observation, push in the lever until you hear “clicked” .while for video or photography, pull out the lever until it reaches the “clicked”...

  • Page 15: Microscope Video

    BestScope International Limited Microscope Video and Photography BS-4000A/B Microscope Video 3.3.1 Selecting the Light Path (Fig.30) ★ Just used in the trinocular viewing tube. Pull out the light path selecting lever, until you hear ① the “clicked”. ★ For the observation of dark specimen, you can focus it through the binocular at first, then change the light path.

  • Page 16: Microscope Photography

    BestScope International Limited BS-4000A/B 3.4 Microscope Photography 3.4.1 Selecting the Light Path ★ Just used in the trinocular viewing tube. The detail is available in section 3.3.1. Camera 3.4.2Installing the Photography Set (Fig.32) 1. Loosen the locking bolt① on the trinocular viewing tube, and take out the dust cap②.

  • Page 17: Technical Specifications

    BestScope International Limited 4．Technical Specifications BS-4000A/B 1. Main specifications Infinite Optical System Optical System Viewing Head Compensation Free Trinocular Head, Inclined at 30 Eyepiece Extra Wide Field Eyepiece EW 10X/22 Nosepiece Quadruple Nosepiece Objective Infinite plan Achromatic: 4×, 10×, 20×, 40×...

  • Page 18: Trouble Shooting

    BestScope International Limited 5. Trouble shooting BS-4000A/B PROBLEMS REASON FOR PROBLEMS SOLUTION I. Optical Part: The poor contact exists in the lamp house and Ensure the contact pin and the lamp holder pin the illumination system. work well 1. Illumination is opening, but...
  • Page 19 BestScope International Limited BS-4000A/B II. Mechanical Part: 1. The coarse focus knob is The tension adjustment collar is too tight Loose properly hard to run 2. The image can’t stay on the focal plane in the process The tension adjustment collar is too loose...

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Bs-4000b

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