KERN Optics OPE 118, User Instructions

Page 1: ...RN Sohn GmbH Ziegelei 1 D 72336 Balingen E Mail info kern sohn com Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com User instructions Polarisation microscope KERN OPE 1 OPE 118 V...

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Page 3: ...Features 7 4 Assembly 9 4 1 Polarisation unit Microscope head 9 4 2 Objectives 9 4 3 Eyepieces 9 4 4 Colour filter 10 4 5 Condenser Polariser 10 5 Operation 10 5 1 Getting started 10 5 2 Pre focussing...

Page 4: ...n additional risk of triggering an electric shock 1 2 Notes on the electrical system Before connecting to a mains power supply you must make sure that you are using the correct input voltage The infor...

Page 5: ...microscope is not being used you should cover it with the enclosed dust protective cover When doing this the power supply is stopped by switching off at the main switch and unplugging the mains cable...

Page 6: ...these are highly flammable substances You must therefore keep it away from naked flames and electrical devices which can be switched on and off and only use it in well ventilated rooms However organi...

Page 7: ...OPE 1 BA e 1610 6 2 Nomenclature...

Page 8: ...e pieces Objectives Illumination OPE 118 Finite Monocular WF 10x 18 mm Achromatic 4x 10x 40x 6V 20W Halogen Transmitted Product dimensions 360x200x400 mm Packaging dimensions 440x340x240 mm Net weight...

Page 9: ...OPE 1 BA e 1610 8...

Page 10: ...should always make sure that you do not touch the lenses with your bare fingers and that no dust enters the apertures The Bertrand lens and the analyser are inherent parts of the polarization unit The...

Page 11: ...en you need to remove the condenser Then use the focus dial of the condenser to move the condenser holder to a low position In this way the condenser can be taken off after loosening the three screws...

Page 12: ...soon as an image is recognisable no matter how sharp then you should only adjust the focus using the fine adjustment knob Adjusting the torque of the coarse and fine adjustment knob Next to the left a...

Page 13: ...g on its angle position between polariser and analyser For getting ideal results the centre of the rotation axis of the table must be aligned to the centre of the optical beam path The microscopes of...

Page 14: ...If the table is not or heavy to revolve even though the fixing screw is loosened this serves as an evidence for a significant decentration of the table 6 If the table is perfectly centre adjusted you...

Page 15: ...objectives you should use the silver ring above the objectives see illustration When rotating the nosepiece you must always make sure that the objective which is about to be positioned in the beam pat...

Page 16: ...ure diaphragm of the condenser to find the very best compromise between contrast and resolution for the microscopic image For the objective with the lowest magnification the lever of the aperture diap...

Page 17: ...in the field of view The slide of the Bertrand lens needs to be in the pulled out position for standard polarisation processes It can be moved into the beam path in order to observe the interference...

Page 18: ...connection point of its cable Now the new module has to be mounted in the same why as the original one After the bulb holder has been replaced in the underside of the device and the screws replaced t...

Page 19: ...y centred The condenser is too low The field of view is dark or is not correctly illuminated The objective is not positioned correctly on the beam path The selector switch for the beam path is between...

Page 20: ...Dirt dust on the front lens of the condenser Dirt dust on the object One side of the image is blurred The stage was not correctly fitted The objective is not positioned correctly on the beam path The...

Page 21: ...materials which you can dispose of at your local recycling centre Disposal of the storage box and device must be carried out by the operator in accordance with all national or regional laws in force...