Leica dm750 p - Manual

Leica DM750 P Manual 6 Symbols used in this operating manual Warning of a danger •  This symbol indicates especially impor-tant information that must be read and complied with. Failure to comply can cause the following: Ϙ Hazards to personnel Ϙ Functional disturbances or damaged instru-ments Warning...

Leica DM750 P Manual 7 Important Notes Description The Leica DM750 P microscope meets today's state of the art of technology. Nevertheless, hazards may still arise during operation. The potential risks are described below. •  Before installing, operating or using the instruments, it is required to r...

Leica DM750 P Manual 8 Instructions on use Intended use The Leica DM750 P microscope is an optical instrument which uses magnification and illu-mination to improve the visibility of objects. It is used for observing and documenting. The Leica DM750 P microscope may be used only in closed rooms and m...

Leica DM750 P Manual 10 Health risks and dangers of use Health risks   Workplaces with microscopes facilitate and improve the viewing task, but they also impose high demands on the eyes and holding muscles of the user. Depending on the duration of uninterrupted work, asthenopia and musculoskeletal p...

Leica DM750 P Manual 11 Information for the person responsible for the instrument Information for the person responsible for the instrument Ϙ Ensure that the Leica DM750 P microscope is used only by qualified personnel. Ϙ Ensure that this user manual is always avail-able at the Leica DM750 P microsc...

Leica DM750 P Manual 12 Care instructions General instructions Ϙ Protect the Leica DM750 P microscope against damp, vapors, acids, alkalis, and corrosive substances. Do not store chemi-cals in the vicinity. Ϙ Protect the Leica DM750 P microscope from oil and grease. Never grease or oil mechani-cal p...

Leica DM750 P Manual 13 Accessories, maintenance and repair Accessories Only the following accessories may be used with the Leica DM750 P microscope: Ϙ The Leica accessories described in this user manual. Ϙ Other accessories, provided that these have been expressly approved by Leica as being technic...

Leica DM750 P Manual 14 Electrical data and ambient conditions Environment Temperature for use +10 °C … +40 °C Storage temperature -20 °C … +52 °C +50 °F … +104 °F Manipulation shock 25 mm on 50 mm hard wood Transport shock (unpacked) 100 g / 6 ms Transport shock (packed) 800 mm free fall Transport ...

Leica DM750 P Manual 16 Thank you for purchasing the Leica DM750  P Polarizing Microscope System from Leica Microsystems. The Leica DM750 P is a highly adaptable instrument with superior optics and precision engineering for educational and basic industrial polarized light microscopy applica-tions. I...

Leica DM750 P Manual 17 Ϙ Carefully remove the microscope and any components from the packing carton. Ϙ Check the components against the planned configuration. Ϙ Optional items such as contrast accessories, camera adapters, cameras, and carrying cases are not shipped as part of the stan-dard equipme...

Leica DM750 P Manual 19 2. Align the shape of the module with the shape of the microscope stand. 3. Insert the dovetail of the module into the stand. (Analyzer/Bertrand Lens Module shown). Attaching Analyzer Module or Analyzer/Bertrand Lens Module Tools used Ϙ Allen key 1. Slightly unscrew the set s...

Leica DM750 P Manual 20 Viewing Tube 1. Slightly unscrew the set screw located on the top of the Analyzer module. 2. Align the shape of the polarizing viewing tube with the shape of the module. 3. Insert the dovetail of the polarizing view- ing tube into the module and tighten the set screw firmly w...

Leica DM750 P Manual 21 1. As you rotate the nosepiece clockwise, attach the objectives by screwing them into the nosepiece holes starting with the lowest magnification and advancing to the highest magnification. Installing Objectives   If you have purchased a standard micro-scope configuration, you...

Leica DM750 P Manual 25 Basic setup   As a safety precaution, the power cord has been grounded to the microscope base. Never use an adapter between the power cord and the power source; it will render the grounding feature ineffective. Work Surface •  Always use your microscope on a hard, stable surf...

Leica DM750 P Manual 26   The condenser is furnished with an iris diaphragm, which can be adjusted to match the effective numerical aperture of the objective. 1. To open and close this diaphragm, simply rotate the knurled condenser ring to the right or to the left so that the line on the rotating ri...

Leica DM750 P Manual 27   The polarizer is located under the substage condenser in a swing in/out mount. Swing it into place and be sure it "clicks" into place. 1. Loosen the polarizer locking thumbscrew, which is located on the right-hand side of the polarizer. 2. Rotate the polarizer to th...

Leica DM750 P Manual 29 Focusing 1. Place a polarized light specimen on the stage. 2. Rotate the 10× objective into working posi- tion. 3. Raise the microscope stage using the coarse adjustment knob until you reach its positive stop or the specimen touches the objective. 4. Look into the eyepieces a...

Leica DM750 P Manual 30 Adjust the eyetubes for your interpupillary distance. 1. Fold or unfold the eyetubes until you see one illuminated circle.   The viewing tubes maintain a constant tube length for all interpupillary settings. This means that a change of interpupillary distance does not affect ...

Leica DM750 P Manual 31 Koehler Set up 1. Close the Koehler field diaphragm on the base of the microscope so that its iris leaves are present within the field of view when looking into the eyepieces. 2. Use the condenser focus knob on the left-hand side of the substage to bring the leaves of the fie...

Leica DM750 P Manual 32 Tools used Ϙ Centering keys 1. Retrieve the two centering keys from the packaging and insert the centering tools into the centering holes located above the objective in use. Engage the ball end of the centering tools into the set screws, which are hidden in the centering hole...

Leica DM750 P Manual 34   If you have an Analyzer/Bertrand Lens module, you can view a conoscopic image through the eyepieces. 1. Bring the portion of the specimen you would like to view in conoscopy (with the Bertrand Lens) to the center of the field 2. Swing in the Bertrand Lens by flipping the up...

Leica DM750 P Manual 35   The Leica DM 750 P is equipped with a time delay shutoff capability, which automatically turns the illumination off after 2 hours of no changes in the intensity control. Ϙ The time delay shutoff IS enabled as a default. Changing the status of the time delay shutoff 1. Rotat...

Leica DM750 P Manual 39 General maintenance General •  Always carry the microscope using two hands. There is a handle on the back of the microscope and an undercut in the front for this purpose. Ϙ The cord wrap allows you to wrap the cord in such a way that only the length you need is extended. Ϙ Pr...