Bresser Science ETD-301 Bedienungsanleitung
Microscope · Mikroskop ·
Science ETD-301
EN Instruction manual
DE Bedienungsanleitung
DE
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Informationen zu diesem Produkt oder die verfügbaren Übersetzungen dieser Anleitung
zu nden.
EN
Visit our website via the following QR Code or web link to nd further information on this
product or the available translations of these instructions.
FR
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mode d’emploi en d’autres langues, rendez-vous sur notre site Internet en utilisant le
code QR ou le lien correspondant.
NL
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over dit product of de beschikbare vertalingen van deze gebruiksaanwijzing.
ES
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determinado? Entonces visite nuestra página web utilizando el siguiente enlace (código
QR) para ver las versiones disponibles.
IT
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Venga a visitare il nostro sito Web al seguente link (codice QR Code) per conoscere le
versioni disponibili.
www.bresser.de/download/P5806300
www.bresser.de/warranty_terms
GARANTIE · WARRANTY · GARANTÍA · GARANZIA
DE
Besuchen Sie unsere Website über den folgenden QR Code oder Weblink um weitere
Informationen zu diesem Produkt oder die verfügbaren Übersetzungen dieser Anleitung
zu nden.
EN
Visit our website via the following QR Code or web link to nd further information on this
product or the available translations of these instructions.
FR
Si vous souhaitez obtenir plus d’informations concernant ce produit ou rechercher ce
mode d’emploi en d’autres langues, rendez-vous sur notre site Internet en utilisant le
code QR ou le lien correspondant.
NL
Bezoek onze internetpagina via de volgende QR-code of weblink, voor meer informatie
over dit product of de beschikbare vertalingen van deze gebruiksaanwijzing.
ES
¿Desearía recibir unas instrucciones de uso completas sobre este producto en un idioma
determinado? Entonces visite nuestra página web utilizando el siguiente enlace (código
QR) para ver las versiones disponibles.
IT
Desidera ricevere informazioni esaustive su questo prodotto in una lingua specica?
Venga a visitare il nostro sito Web al seguente link (codice QR Code) per conoscere le
versioni disponibili.
www.bresser.de/download/P5806300
www.bresser.de/warranty_terms
GARANTIE · WARRANTY · GARANTÍA · GARANZIA
4 / 24
1 Imprint (German)
Bresser GmbH
Gutenbergstr. 2
46414 Rhede
Germany
www.bresser.de
For any warranty claims or service enquiries, please refer to the information on "Warranty" and "Ser-
vice" in this documentation. We apologize for any inconvenience caused by the fact that we cannot
process enquiries or submissions sent directly to the manufacturer's address.
Errors and technical changes excepted.
© 2021 Bresser GmbH
All rights reserved.
The reproduction of this documentation - even in extracts - in any form (e.g. photocopy, print, etc.) as
well as the use and distribution by means of electronic systems (e.g. image file, website, etc.) without
the prior written permission of the manufacturer is prohibited.
The designations and brand names of the respective companies used in this documentation are gen-
erally protected by trade, trademark and/or patent law in Germany, the European Union and/or other
countries.
2 Validity note
This documentation is valid for the products with the following article numbers:
5806300
Manual version: 0321
Manual designation:
Manual_5806300_Science-ETD-301_en-de_BRESSER_v032021a
Always provide information when requesting service.
3 About this Instruction Manual
NOTICE
These operating instructions are to be considered a component of the device.
Read the safety instructions and the operating manual carefully before using this device.
Keep this instruction manual in a safe place for future reference. When the device is sold or given to
someone else, the instruction manual must be provided to the new owner/user of the product.
4 Intended use
• This device is not intended for use by persons (including children) with impaired physical, sensory
or mental abilities, or for lack of experience and/or knowledge, unless they are supervised by or
have received instructions from a person responsible for their safety on how to use this device.
• This device is for personal use only.
• It was developed for an magnified representation of nature observations.
• The device is intended only for indoor use.
5 / 24
5 General safety instructions
DANGER
Risk of an electric shock!
This device contains electronic parts that are powered by a power source (AC adapter and/or batter-
ies). Improper use of this product may result in electric shock. Electric shock can cause serious or fatal
injuries. It is therefore imperative that you observe the following safety information.
• Disconnect the power supply by pulling the mains plug when the appliance is not in use, in case of
a longer interruption of operation and before any maintenance and cleaning work.
• Place your device so that it can be disconnected from the power supply at any time. The power
outlet should always be near your appliance and should be easily accessible, as the plug of the
power cord serves as a disconnect device from the mains supply.
• To disconnect the unit from the mains, always pull the mains plug and never pull the cable!
• Check this device, cables and connections for damage before use.
• Never attempt to operate a damaged device, or a device with damaged electrical parts! Damaged
parts must be replaced immediately by an authorized service agent.
• Operate the device only in a completely dry environment and do not touch the device with wet or
damp body parts.
DANGER
Danger of suffocation!
Improper use of this product may result in suffocation, especially for children. It is therefore imperative
that you observe the following safety information.
• Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a danger
of choking!
• This product contains small parts that can be swallowed by children! Choking hazard!
• If small parts are swallowed, consult a doctor immediately!
DANGER
Explosion hazard!
Improper use of this product may result in fire. It is essential that you observe the following safety in-
formation in order to avoid fires.
• Do not expose the device to high temperatures. Use only the supplied AC adapter. Do not short-
circuit the device or batteries or dispose of in fire! Excessive heat and improper handling can
cause short circuits, fires and even explosions!
CAUTION
Risk of body injury!
This device contains components and/or accessories that can cause minor or serious body injury if
used improperly. It is therefore essential that you observe the following safety information in order to
prevent body injuries.
• Sharp-edged and pointed tools are often used for working with this device. Therefore, keep this
device and all accessories and tools in a place inaccessible to children. Danger of body injury!
6 / 24
• Chemicals and liquids do not belong in children's hands! Don't drink! Clean hands thoroughly un-
der running water after use. In case of accidental contact with eyes or mouth, rinse with water. In
case of complaints, consult a doctor immediately and show the substances.
CAUTION
Fire hazard!
Improper use of this product may result in fire. It is essential that you observe the following safety in-
formation in order to avoid fires.
• Never cover the ventilation slots or cooling fins of the device during operation or until it has cooled
down completely!
NOTICE
Danger of material damage!
Improper handling may result in damage to the unit and/or accessories. Therefore, use the device only
in accordance with the following safety information.
• Do not disassemble the device! In the event of a defect, please contact your dealer. They will con-
tact the Service Center and can arrange the return of this device for repair if necessary.
• Do not expose the device to high temperatures and protect it from water and high humidity.
• Do not subject the device to excessive vibrations.
• Only use accessories and spare parts for this device that comply with the technical specifications.
7 / 24
6 Parts overview and scope of delivery
2
7
8
9
10
12
11
14
13
3
15
18
19
21
20
17
22
16
1
4
25
24
23
6
5
A
C
D
B
Illustration1: All parts of the microscope
1 Fixing screw (trinocular extension) 2 Trinocular extension
3 Power socket (incident light) 4 Connection cable with DC hollow plug
5 Slider for trinocular extension 6 Zoom knob
7 Vertical pillar 8 Friction adjustment wheel (only on left
side)
9 Fine focus 10 Coarse focus
11 On/Off switch 12 Mains cable with mains plug
13 Object holding clamps 14 Dimmer controller (incident light)
15 Transmitted light illumination 16 Support for object plate
17 Dimmer controller (transmitted light) 18 Incident light ilumination
19 Objective tube 20 Holder (microscope head)
21 Fixation screw (objective tube) 22 Microscope head
23 Eyepiece holder 24 Diopter adjustment
25 Eyepiece lens
Scope of delivery:
Microscope with integrated mains power cable and plug (A), objective (fixed) (B), 2 pcs. WF 10x eye-
pieces (C), white object plate (translucent) (D)
7 Choice of location
Choose a suitable location before installation and commissioning.
Place the device on a stable, level and vibration-free surface.
8 / 24
8 Attaching and moving the microscope head
1. Insert the microscope head with the objective first into the holder from above.
2. Hand-tighten the fixing screw on the holder to fix the microscope head.
3. Loosen the fixing screw on the microscope head to rotate the part above the objective to the de-
sired observation position.
4. Hand-tighten the fixing screw on the microscope head to lock the head in position.
9 Inserting the object plate
1. Swing the holding clamps to the sides.
2. Place the object plate on the support.
10 Setting up power supply
1. Insert the plug of the mains power cable into the wall socket.
2. Insert the DC hollow plug of the incident light power cable into the DC connection socket above
the vertical pillar.
11 Turning on/off the device
1. Move On/Off switch to position 'I' to turn on the device.
2. Move On/Off switch to 'O' position to turn off the device.
12 Adjusting the illumination
This device provides an illumination with a permanently installed LED light source.
To control the brightness proceed as follows:
1. Turn on the device.
2. Turn/Move the dimmer control to adjust the brightness of the light source.
3. Place the object on the object plate.
4. Switch on incident light illumination.
5. Move the lamp holder to the desired position.
9 / 24
13 Observation settings
Illustration2: Binocular head with diopter adjustment at the eyepiece
This microscope is equipped with an binocular head. The interpupillary distance and the diopter set-
tings can be adjusted individually.
1. With the eyes look through both eyepieces.
2. Change the distance between the eyepieces by pushing them together or pulling apart until a cir-
cular image of the obeserved object is visible.
3. Turn the diopter adjustment ring to position '0'.
4. Turn the zoom button to position '5'.
5. With the left eye, look through the left eyepiece and turn the focusing wheel until a sharp image of
the observed object is visible.
6. With the right eye, look through the right eyepiece and turn the diopter adjustment ring until a
sharp image of the observed object is visible too.
The diopter adjustment can also be done in the opposite way on the left eyepiece.
14 Friction setting
If the friction setting is too smooth, the microscope head will move downwards by itself because the
weight is completely pushing on the guide rail. This creates a blurred image.
To avoid this, tighten the friction adjustment wheel slightly.
15 Using the trinocular extension
Illustration3: Trinocular extension
Depending on the adapter* attached, a SLR camera, a system camera or a C-mount camera can be
attached to the trinocular extension.
10 / 24
NOTICE!Cameras usually show a smaller field of view than eyepieces. This is in part due to the
sensor size and cannot be changed.
To attach a suitable camera adapter, proceed as follows:
1. Loosen the fixing screw on the extension and remove the dust cover.
2. Insert/attach the desired camera adapter.
3. Tighten the fixing screw again.
4. Use the focus of the camera adapter to adjust the camera focus. Most camera models can thus be
adjusted parfocally to the eyepieces.
NOTICE!Information on suitable accessories can be found in the chapter "Optional accessories".
*not included in the scope of delivery / optionally available
16 Attaching optional accessories to the
objective tube
The objective tube is equipped with an M48 x 0.75 thread for mounting ancillary lenses*.
The outer notch on the lens ring is used to attach a ring illuminator*.
*not included
NOTICE!Information on suitable accessories can be found in the chapter "Optional accessories".
17 Cleaning and maintenance
• Protect the device from dust and moisture!
• Avoid fingerprints and similar contamination of the optical surfaces.
• The residual moisture must be completely degraded before use.
• Disconnect the power supply by pulling the mains plug when the appliance is not in use, in case of
a longer interruption of operation and before any maintenance and cleaning work.
• Only clean the device externally using a dry cloth. Do not use cleaning solution to prevent damage
to the electronic parts.
• Do not use organic solvents (e.g. alcohol, ether, acetone, xylol or other dilutions) to clean
lacquered parts or plastic parts!
• Disassemble optical elements (e.g. objective, eyepiece, etc) before cleaning.
• Blow away loose dust from the lens surfaces first.
• Use high quality lens cleaning towels or soft cloth and moisten it with a little bit of pure alcohol
(available in a drug store). Wipe the lens surface with it.
• Pull a dust protection cover* over the microscope and store it in a closed container at a dry and
mould-free place. Store the microscope and the accessories in the relevant containers when they
are not used for a longer time. It is recommended to store also objectives and eyepieces in closed
containers with desiccant.
(*depending on the model a dust protection cover and box can be part of the content)
NOTICE
Remember:
A well maintained microscope will keep its optical quality for years and thus maintain its value.
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