BRESSER 40X-800X Microscope Instruction Manual
- June 5, 2024
- BRESSER
Table of Contents
BRESSER 40X-800X Microscope
SERVICE AND WARRANTY:
MICROSCOPE GUIDE:
MICROSCOPE FAQ:
EXPERIMENTS:
WARNINGS! Not suitable for children under three years. CHOKING HARZARD – small parts. PUNCTURING HAZARD – functional sharp points! LACERATING HAZARD – functional sharp edges! Keep instructions and packaging as they contain important information.
GENERAL WARNINGS
- Choking hazard — This product contains small parts that could be swallowed by children. This poses a choking hazard.
- Risk of electric shock — This device contains electronic components that operate via a power source (power supply and/or batter-ies). Only use the device as described in the manual, otherwise you run the risk of an electric shock.
- Risk of fire/explosion — Do not expose the device to high temperatures. Use only the recommended batteries. Do not short-circuit the device or batteries, or throw them into a fire. Excessive heat or improper handling could trigger a short-circuit, a fire or an explosion.
- Risk of chemical burn — Make sure you insert the batteries correctly. Empty or damaged batteries could cause burns if they come into contact with the skin. If necessary, wear ad-equate gloves for protection.
- Do not disassemble the device. In the event of a defect, please contact your dealer. The dealer will contact the Service Center and can send the device in to be repaired, if necessary.
- Use only the recommended batteries. Always replace weak or empty batteries with a new, complete set of batteries at full capacity. Do not use batteries from different brands or with different capacities. Remove the batteries from the unit if it has not been used for a long time.
- Never recharge normal, non-rechargeable batteries. This could lead to explosion during the charging process.
- Tools with sharp edges are often used when working with this device. Because there is a risk of injury from such tools, store this de-vice and all tools and accessories in a location that is out of the reach of children.
- Warning: The specimen slicer contains functional sharp edges and points!
- Keep instructions and packaging as they contain important information.
DISPOSAL
- Dispose of the packaging materials properly, according to their type (paper, card-board, etc). Contact your local waste disposal service or environmental authority for information on the proper disposal.
- Do not dispose of electronic devices in the household garbage! As per the Directive 2002/96/EC of the European Parliament on waste electrical and electronic equipment and its adaptation into German law, used electronic devices must be collected separately and recycled in an environ-mentally friendly manner.
- Empty old batteries must be disposed of at bat-tery collection points by the consumer. You can find out more information about the disposal of devices or batteries produced after 01.06.2006 from your local waste disposal service or environmental authority.
- In accordance with the regulations concerning batteries and rechargeable batteries, disposing of them in the normal household waste is expli-citly forbidden. Please pay attention to dispose of your used batteries as required by law – at a local collection point or in the retail market (a disposal in domestic waste violates the Battery Directive).
- Batteries that contain toxins are marked with a sign and a chemical symbol. „Cd“ = cadmium, „Hg“ = mercury, „Pb“ = lead.
- battery contains cadmium
- battery contains mercury
- battery contains lead
EC Declaration of Conformity
Bresser GmbH has issued a “Declaration of Conformity” in accordance with
applicable guidelines and corresponding standards. The full text of the EU
declaration of conformity is available at the following internet address:
www.bresser.de/download/9039500/CE/9039500_CE.pdf
UKCA Declaration of Conformity
-
Bresser GmbH has issued a „Declara-tion of Conformity“ in accordance with applicable guidelines and corresponding standards. The full text of the UKCA declaration of conformity is available at the following internet address:
www.bresser.de/download/9039500/UKCA/9039500_UKCA.pdf -
Bresser UK Ltd.
Suite 3G, Eden House, Enterpri-se Way, Edenbridge, Kent TN8 6HF, Great Britain
Here are the parts of your microscope
- 10x WF Eyepiece
- 20x WF Eyepiece
- Eyepiece supports
- Objective Nosepiece
- Objective
- Clips
- Microscope Stage
- LED Illumination (transmitted light)
- Microscope Base
- Battery compartment
- Focus knob
- Selection switch for Illumination
- LED Illumination (reflected light)
- Slides, Cover Sips and Prepared Specimens plastic box
- Empty Bottles
- Specimens:
- Yeast
- Shrimp Eggs
- Specimen slicer
- Hatchery
- Test tube
- Tweezers
- Dissecting needle
- Dissecting knife
- Pipette
- Cover glasses and adhesive labels
- Petri dish
- Magnifying glass
- Color Filter wheel
- Smartphone holder
- Dimmer
How do I use my microscope?
Before you assemble your microscope, make sure that the table, desk or
whatever surface that you want to place it on is stable, and does not wobble.
How do I operate the electric LED illumination?
In the base of the microscope there is a battery compartment (10). Loosen the screw at the battery compartment cover with a small Philips screwdriver and remove the cover. Place the batteries in the com-partment so that the flat minus poles (-) press against the spring terminal and the plus poles (+) are touching the flat contact sheets. Close the battery compartment with the cover and turn the microscope around again. The first lamp shines onto the specimen from below and the second from above. (The thing that you want to observe with the microscope is called the object or specimen, by the way.) You can use each lamp on its own. There is a selec-tion switch for this (12). It has two numbers: I and II. If you select the …
- the light only comes from below (transmitted light).
- the light only comes from above (reflected light).
For transparent objects (transmitted-light ob-jects), number I is best. In order to observe firm, non-transparent objects (direct-light objects), select number II.
When do I use the color filters?
The color filter wheel (27) is located below the microscope stage (7). They
help you when you are observing very bright or clear specimens. Here, you can
choose from various colors. This helps you better recognize the components of
colorless or transparent objects (e.g. grains of starch, protozoa).
How do I adjust my microscope correctly?
Each observation starts with the lowest magnification.
Adjust the microscope stage (7) so that it goes all the way down to the lowest position (11). Then, turn the objective
nosepiece (4) until it clicks into place at the lowest magnification
(objective 4x).
Note:
Before you change the objective setting, always move the microscope stage (7)
to its lowest position. This way, you can avoid causing any damage!
Now insert the smallest eyepiece, in this case the WF10x (1) into the eyepiece support (3).
How do I observe the specimen?
After you have assembled the microscope with the adequate illumination and
adjusted it correctly, the following basic rules are to be ob-served: Start
with a simple observation at the lowest magnification. This way, it is easier
to position the object in the middle (centering) and make the image sharp
(focusing). The higher the magnification, the more light you will require for
a good image quality.
Now place the prepared specimen (14) directly under the objective on the microscope stage. The object should be located directly over the illumination (8).
In the next step, take a look through the eye-piece (1) and carefully turn the
focus knob (11) until the image appears clear and sharp.
If you would like an even higher level of magnification, insert the 20x
eyepiece (2) and turn the objective nosepiece (4) to a higher setting (10x or
40x).
Important tip:
The highest magnification is not always the best for every specimen!
Note:
Each time the magnification changes (eyepiece or objective change), the image
sharpness must be readjusted with the focus knob (11). When doing this, make
sure to be careful. If you move the microscope stage too quickly, the ob-
jective and the slide could come into contact and become damaged!
Which light for which specimen?
- With this unit, a reflected light and transmitted light microscope, you can observe transparent,semi-transparent as well as non-transparent objects.
- The image of the given object of observation is “transported” through the light. As a result, only the correct light will allow you to see some-thing!
- If you are observing non-transparent (opaque) objects (e.g. small animals, plant components, stones, coins, etc.) with this microscope, the light falls on the object that is being observed. From there, the light is reflected back and pass-es through the objective and eyepiece (where it gets magnified) into the eye. This is reflected light microscopy.
- For transparent objections (e.g. protozoa), on the other hand, the light shines from below, through the opening in the microscope stage and then through the object.
- The light travels further through the objective and eyepiece, where it is also magnified, and fi-nally goes into the eye. This is transmitted-light microscopy.
- Many microorganisms in water, many plan components and the smallest animal parts are already transparent in nature. Others have to be prepared. We may make them transparent through a treatment or penetration with the right materials (media), or by taking the thinnest slices from them (using our hand or a specimen slicer), and then examine them. You can read more about this in the following sections.
How do I make thin specimen slices?
Only do this with the supervision of your par-ents or another adult.
As I already pointed out, the thinnest slices possible are taken from an
object. In order to get the best results, we need some wax or par-affin. It is
best if you get a candle. Place the wax in a pot and heat it carefully over a
low burner. Now, dip the object in the liquid wax a few times. Then, let the
wax get hard. Using the Specimen slicer (17) or a knife/scalpel, cut the
smallest slices from the object that is covered with wax. These slices are to
be laid on a slide and covered with a cover slip.
How do I make my own specimens?
Take the object that you want to observe and place it on a glass slide (14).
Then, add a few drops of distilled water on the object using a pipette. Now,
place a cover slip vertically at the edge of the drop of water, so that the
water runs along the edge of the cover slip. Then, slowly lower the cover slip
over the water drops.
Experiments
Use the following web link to find interesting experiments you can try out.
http://www.bresser.de/downloads
Troubleshooting
| Error | Solution |
|---|---|
| No recognizable image | • Turn on light |
• Readjust focus
Make sure your microscope has a long service life.
- Clean the lens (objective and eyepiece) only with the cloth supplied or some other soft lint-free cloth (e.g.microfibre). Do not press hard as this might scratch the lens.
- Ask your parents to help if your microscope is really very dirty. The cleaning cloth should be moistened with cleaning fluid and the lens wiped clean using little pressure.
- Make sure your microscope is always protected against dust and dirt. After use leave it in a warm room to dry off. Then install the dust caps and keep it in the case provided.
Smartphone holder
Open the flexible holder and put your smart-phone in it. Close the cradle and
make sure your phone is properly seated. The camera must be positioned exactly
above the eyepiece. Open the locking clip on the back of the holder and fit
the eyepiece view exactly onto your smart-phone camera. Now retighten the
locking clip and attach the smartphone holder to the eye-piece of your
microscope. Now start the cam-era app. If the image is not yet centered on
your display, loosen the locking clip slightly and readjust. It may be
necessary to use the zoom function to fill the image on the display. A slight
shading at the edges is possible. Re-move the smartphone from the cradle after
use!
NOTE:
Make sure that the smartphone cannot slip off the cradle. Bresser GmbH accepts
no liability for damage caused by a dropped smartphone!
Warranty
The regular warranty period is 2 years and be-gins on the day of purchase. To
benefit from an extended voluntary warranty period as stated on the gift box,
registration on our website is required.You can consult the full warranty
terms as well as information on extending the warranty pe-riod and details of
our services at
www.bresser.de/warranty_terms.
References
- art.no
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