Lab an der Centro Escolar University | Karteikarten & Zusammenfassungen

Lernmaterialien für lab an der Centro Escolar University

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is used to bring the specimen into initial focus -- visible but not sharp.

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coarse adjustment knob

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  •    It provides stability and support for the microscope in its upright position. Typically, it holds the source of light or illuminator.
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Microscope Base

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  • It is a light source which can come in a form of a built-in, low voltage illuminator light, or a mirror that reflects an external light source like sunlight.
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 Microscope Illuminator

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  1. Base
  2. Specimen holder (mechanical stage)
  3. Arm of microscope stand
  4. Stage
  5. Revolving nosepiece
  6. Coarse focus knob
  7. Fine focus knob
  8. Knobs controlling X and Y movement of mechanical stage
  9. Iris diaphragm lever
  10. Interpupillary scale
  11. Viewing head of microscope
  12. Filter holder for 32mm filter
  13. Recess for 45mm filter
  14. Knurled diopter ring
  15. Sliding interpupillary adjustment, grips located on both left and right side of diopter scale
  16. Mark on side of eyepiece tube for indexing diopter reading
  17. Knurled head locking screw
  18. Two knurled locking screws for securing specimen holder to stage
  19. Abbe condenser locking screw
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Mechanical parts:

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  • Microscope lenses are delicate. 
  • Treat them carefully to avoid any scratches. Use an aspirator to remove dust. 
  • Moisten special lens paper with distilled water or appropriate cleaning solution. 
  • Rubbing gently in a circular motion will remove any sticky residue. 
  • Never use anything abrasive on microscope lenses.
  •  Rotate the nosepiece of the microscope all the way down to its lowest level when you have finished using the microscope.
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Clean carefully

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  • Oil immersion is a technique used to increase the resolving power of a microscope. 
  • Both the objective lens and sample are immersed in a transparent oil of high refractive index so that high magnifications can be achieved while still maintaining good resolution. 
  • It is essential to ensure careful cleaning takes place immediately after using immersion oil and do not use damaging solvents.
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Keep clean

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is a technique used to increase the resolving power of a microscope

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TESTE DEIN WISSEN

Oil immersion

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  • When using your microscope, the objective lens is lowered to adjust the focus. 
  • However, be careful not to let the lens touch the slide you’re looking at, as this can damage the lens.
  • Furthermore, dirty lenses are notoriously difficult to clean.
  •   Avoid touching the lenses of the microscope. 
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Look after lenses

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An annual maintenance check of microscopes is always a good idea. Moving parts should be cleaned and lubricated. Similarly, inspect the power cords and plugs for safety.

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Maintain your microscope

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  • Your microscope should be sold with a user’s manual and specialist spanners as required. 
  • Always refer to the manual when making any adjustments to the microscope and use the supplied spanners. 
  • Never use force, inappropriate tools or over-tighten when making adjustments to your microscope, as this will only result in equipment damage.
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Refer to the user’s manual

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The company where microscope was bought can be contacted for a range of products to help keep your laboratory microscopy equipment in tip top condition.

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Consider a professional service

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  • Ensure you store your microscope in a clean, dry space with good ventilation. 
  • Salt air or damp, for example, can cause damage to equipment over time. 
  • Expensive, precision equipment should not be stored next to solutions that may leak. 
  • Similarly, keep your microscope away from areas with potentially corrosive chemical fumes. Such fumes can destroy lenses or corrode metal parts.
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 Store safely

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Q:

is used to bring the specimen into initial focus -- visible but not sharp.

A:

coarse adjustment knob

Q:
  •    It provides stability and support for the microscope in its upright position. Typically, it holds the source of light or illuminator.
A:

Microscope Base

Q:
  • It is a light source which can come in a form of a built-in, low voltage illuminator light, or a mirror that reflects an external light source like sunlight.
A:

 Microscope Illuminator

Q:
  1. Base
  2. Specimen holder (mechanical stage)
  3. Arm of microscope stand
  4. Stage
  5. Revolving nosepiece
  6. Coarse focus knob
  7. Fine focus knob
  8. Knobs controlling X and Y movement of mechanical stage
  9. Iris diaphragm lever
  10. Interpupillary scale
  11. Viewing head of microscope
  12. Filter holder for 32mm filter
  13. Recess for 45mm filter
  14. Knurled diopter ring
  15. Sliding interpupillary adjustment, grips located on both left and right side of diopter scale
  16. Mark on side of eyepiece tube for indexing diopter reading
  17. Knurled head locking screw
  18. Two knurled locking screws for securing specimen holder to stage
  19. Abbe condenser locking screw
A:

Mechanical parts:

Q:
  • Microscope lenses are delicate. 
  • Treat them carefully to avoid any scratches. Use an aspirator to remove dust. 
  • Moisten special lens paper with distilled water or appropriate cleaning solution. 
  • Rubbing gently in a circular motion will remove any sticky residue. 
  • Never use anything abrasive on microscope lenses.
  •  Rotate the nosepiece of the microscope all the way down to its lowest level when you have finished using the microscope.
A:

Clean carefully

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Q:
  • Oil immersion is a technique used to increase the resolving power of a microscope. 
  • Both the objective lens and sample are immersed in a transparent oil of high refractive index so that high magnifications can be achieved while still maintaining good resolution. 
  • It is essential to ensure careful cleaning takes place immediately after using immersion oil and do not use damaging solvents.
A:

Keep clean

Q:

is a technique used to increase the resolving power of a microscope

A:

Oil immersion

Q:
  • When using your microscope, the objective lens is lowered to adjust the focus. 
  • However, be careful not to let the lens touch the slide you’re looking at, as this can damage the lens.
  • Furthermore, dirty lenses are notoriously difficult to clean.
  •   Avoid touching the lenses of the microscope. 
A:

Look after lenses

Q:

An annual maintenance check of microscopes is always a good idea. Moving parts should be cleaned and lubricated. Similarly, inspect the power cords and plugs for safety.

A:

Maintain your microscope

Q:
  • Your microscope should be sold with a user’s manual and specialist spanners as required. 
  • Always refer to the manual when making any adjustments to the microscope and use the supplied spanners. 
  • Never use force, inappropriate tools or over-tighten when making adjustments to your microscope, as this will only result in equipment damage.
A:

Refer to the user’s manual

Q:

The company where microscope was bought can be contacted for a range of products to help keep your laboratory microscopy equipment in tip top condition.

A:

Consider a professional service

Q:
  • Ensure you store your microscope in a clean, dry space with good ventilation. 
  • Salt air or damp, for example, can cause damage to equipment over time. 
  • Expensive, precision equipment should not be stored next to solutions that may leak. 
  • Similarly, keep your microscope away from areas with potentially corrosive chemical fumes. Such fumes can destroy lenses or corrode metal parts.
A:

 Store safely

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