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Summary of Contents for Labtron LBM-B11
- Page 1 info@labtron.com...
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Page 2: Table Of Contents
Biological Microscope LBM-B11 Index Sr.no Title Page no Safety Measures Introduction Features Specifications Applications Instrument Introduction Installation Operations Maintenance Troubleshooting Accessories... -
Page 3: Safety Measures
Biological Microscope LBM-B11 1. Safety Measures • Open the box carefully to avoid the accessories, like the lens, dropping to the ground or being damaged. • Do keep the instrument out of direct sunlight, high temperature or humidity, dusty and easy shaking environment. Make sure the stage is flat, horizontal and firm enough. -
Page 4: Introduction
Biological Microscope LBM-B11 2. Introduction Biological Microscope LBM-B11 is easy to operate. With backward nosepiece design, it’s coarse and fine focusing adjustment helps in better observation of the specimen. The microscope comes with 3W LED as external source of illumination. Being compact and light in weight, it is perfect for routine microscopic analysis at research institutes, colleges. -
Page 5: Specifications
Biological Microscope LBM-B11 4. Specifications Model No. LBM-B11 Optical System Infinite optical system Siedentopf Binocular viewing head, Viewing Head Interpupillary distance range 48-75 mm, Inclined at 30º Eyepiece Wide Field Eyepiece WF10X/F.N. 22 mm Nosepiece Backward quadruple nosepiece Infinite high contrast chromatic free full plan,... -
Page 6: Instrument Introduction
Biological Microscope LBM-B11 6. Instrument Introduction Figure-1... -
Page 7: Installation
Biological Microscope LBM-B11 7. Installation 7.1 Assembly Assembly diagram The following figure shows the installation sequence of the components. The number in the figure shows the assembly steps. 1) Before installing, be sure every component is clean, do not store any parts or glass surfaces. - Page 8 Biological Microscope LBM-B11 7.2 Assembly Procedure 7.2.1 Installing binocular viewing head Insert the binocular viewing head into the microscope head and turn it to a proper position, then screw down the bolt to fix it. Figure-3 Figure-4...
- Page 9 Biological Microscope LBM-B11 7.2.2 Installing the eyepiece Insert the eyepiece into the eyepiece tube until they are against each other, as shown in Figure 6. Figure-5 Figure-6...
- Page 10 Biological Microscope LBM-B11 7.2.3 Installing the objective 1) Adjust 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 side, then revolve the nosepiece clockwise and mount other objectives by the sequence of low to high magnification.
- Page 11 Biological Microscope LBM-B11 7.2.4 Mounting the Filters Place the required filter in front of the condenser. Note: The filter of the standard outfit is green. Figure-9 7.2.5 Connecting the power cord 1) Set the main switch① to an “O” (off) state before connecting the power cord.
- Page 12 Biological Microscope LBM-B11 Figure-11 Figure-12 7.2.6 Replace the fuse (Figure 11-12) Do remember to set the main switch① to the state “O” (OFF) and unplug the power cord before replacing the fuse. Rotate the fuse⑥ out of the holder ⑦ with the “--”...
- Page 13 Biological Microscope LBM-B11 7.2.7 S-LED lamp replacement 1) Generally, S-LED lamp is very durable, so it is not easy to damage. If it is unfortunately damaged, kindly purchase the S-LED (Figure 14) from your vendor. 2) Open the bottom plate ① by screwdriver, loosen screw ② to take the S-LED lamp ③...
- Page 14 Biological Microscope LBM-B11 7.3 Adjustment Adjustment set diagram (Figure 15-16) Figure-15...
- Page 15 Biological Microscope LBM-B11 Figure-16...
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Page 16: Operations
Biological Microscope LBM-B11 8. Operations 8.1 Brightness adjustment 1) Connect the power cord and set the main switch to “－” state (ON). 2) Turning the brightness adjustment knob clockwise, the voltage raise and the brightness strengthen; whereas turning at the contra direction, the voltage decline and the brightness weaken. - Page 17 Biological Microscope LBM-B11 8.3 Focusing the specimen 1) Focus the specimen with a 10X objective. To avoid the objective touching the specimen during focusing, you should raise the mechanical stage to let the specimen close to the objective at first, then slowly separate them to bring the specimen to focus.
- Page 18 Biological Microscope LBM-B11 8.5 Aperture iris diaphragm adjustment Turn the aperture iris diaphragm collar ① to adjust the aperture iris diaphragm. Note: The aperture iris diaphragm is designed for the adjustment of the numerical aperture, not for the brightness. Generally, setting the aperture iris diaphragm to 70- 80% of the N.A.
- Page 19 Biological Microscope LBM-B11 8.7 Adjusting the Diopter Turn the eyepiece ① to adjust the diopter while looking through it. Note: The diopter range of the eyepiece is ±5 diopter. The number aligned to the line on the viewing head is the diopter in use.
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Page 20: Maintenance
Biological Microscope LBM-B11 9. Maintenance 1) All the lenses have been adjusted properly; do not dismount them by yourself. 2) The nosepiece and coarse and fine focusing parts are so delicate that it is forbidden to disassemble them carelessly by yourself. -
Page 21: Troubleshooting
Biological Microscope LBM-B11 Troubleshooting 10.1 Optical system Trouble Cause Solution The nosepiece is not in the Locate the nosepiece properly located position (objective and where it clicks The edge of the field light path not coaxial) of view is dark or the... - Page 22 Biological Microscope LBM-B11 10.2 Mechanical system Trouble Cause Solution When adjusting stage height, The image cannot be Reattach the upper stopper you forgot to reattach the focused screw upper stopper screw Objective contacts The specimen is mounted Correct the mounted...
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Page 23: Accessories
Biological Microscope LBM-B11 Accessories Accessories No. Name Eyepiece WF20X/12 mm Eyepiece: EW15X/16 mm Phase contrast kit (10x, 20x, 40x, 100x) Dark field attachment Siedentopf Trinocular Head C mount 0.5 X adapter Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom Email: info@labtron.com...
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