background image

 

OBS-1-BA-e-1912 

1.4  Maintenance and cleaning 

 
In any event, the device must be kept clean and dusted regularly. 
If any moisture should be occur, before you wipe down the  device you must ensure 
that the mains power is switched off. 
 
When  glass  components  become  dirty,  the best  way  to  clean  them  is  to  wipe  them 
gently with a lint-free cloth. 
 
To wipe oil stains or finger prints off the lens surface, moisten the lint free cloth with a 
mixture of ether and alcohol (70 / 30 ratio) and use this to clean the lens. 
 
You must be careful when handling ether and alcohol, as 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 organic solutions of this type should not be used to clean other components 
of the device. This could lead to damage to the paint finish. To do this, it is sufficient 
to use a neutral cleaning product. 
 
You could also use the following cleaning products to clean the optical components: 

  Special cleaner for optical lenses 

  Special optical cleaning cloths 

  Bellows 

  Brush 

 
When  handled  correctly  and  checked  regularly,  the  microscope  should  give  many 
years of efficient service. 
 
Should repairs still be necessary, please contact your KERN dealer or our Technical 
Department. 
 
 
 
 
 
 
 
 

 

Содержание OBS 101

Страница 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...

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 7: ...OBS 1 BA e 1912 6 2 Nomenclature...

Страница 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...

Страница 9: ...OBS 1 BA e 1912 8...

Страница 10: ...9 OBS 1 BA e 1912...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 23: ...______________________________________________________ __________________________________________________________ __________________________________________________________ ___________________________...

Отзывы: