KERN Optics OBS 101 User Instructions Download Page 7 | Manualshive

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OBS-1-BA-e-1912

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Summary of Contents for OBS 101

Page 1: ...fo kern sohn com Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com User instructions Transmitted light school microscope KERN OBS 1 OBS 101 OBS 102 OBS 103 OBS 104 OBS 105 OBS 106...

Page 2: ......

Page 3: ...eatures 7 4 Assembly 10 4 1 Microscope head 10 4 2 Objectives 10 4 3 Eyepieces 10 4 4 Condenser 10 5 Operation 11 5 1 Getting started 11 5 2 Pre focussing 12 5 3 Adjusting the interpupillary distance...

Page 4: ...ered with as in this area there is an 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...

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: ...OBS 1 BA e 1912 6 2 Nomenclature...

Page 8: ...7 OBS 1 BA e 1912 3 Technical data Features Product dimensions 130x300x310 mm Packaging dimensions 410x280x210 mm Net weight 3 kg Gross weight 5 kg Input voltage DC 6V 500mA...

Page 9: ...OBS 1 BA e 1912 8...

Page 10: ...9 OBS 1 BA e 1912...

Page 11: ...ertures For objectives which are marked OIL you must use an immersion oil with the lowest level of inherent fluorescence 4 3 Eyepieces You must always use eyepieces with the same magnification for bot...

Page 12: ...subject to a high level of light The next step is to place an object holder with the sample on the mechanical stage To do this the cover glass must be facing upwards You can fix the object holder to t...

Page 13: ...e with the lowest magnification in the beam path look through the right eyepiece with the right eye and turn it slowly using the coarse adjustment knob see illustration The simplest way of doing this...

Page 14: ...ary distance is set correctly 5 4 Dioptre adjustment For binocular and trinocular devices The eye strengths of each eye of the microscope user can often be slightly different which in daily life has n...

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: ...es Specification of the batteries Battery type LR6 AA Capacity 700 mAh Nominal voltage 1 2 V Charging time ca 10 h Operation time with ideal light intensity ca 2 h Total operation time ca 4 h The batt...

Page 18: ...Lower the specimen stage and position the 100x objective in the beam path 3 Bring the specimen stage or object slide to the objective very slowly until there is slight contact 4 Observe the object The...

Page 19: ...nge the bulb the housing of the field lens needs to be completely unscrewed The LED can simply be pulled out of its socket It is absolutely important to be aware of its correct alignment when mounting...

Page 20: ...he 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 two settin...

Page 21: ...rt dust on the objective Dirt dust on the front lens of the condenser Dirt or dust in the field of view Dirt dust on the eyepieces Dirt dust on the front lens of the condenser Dirt dust on the object...

Page 22: ...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 i...

Page 23: ...______________________________________________________ __________________________________________________________ __________________________________________________________ ___________________________...

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