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OZL-45R-BA-e-1510 

Trouble shooting 

 

 
 

Electrical system 

 

Problem 

Possible causes 

The  lighting  unit  (if  fitted)  cannot  be 
switched on 

The power cable is either not connected or 
not connected correctly 
The bulb is not fitted 
The bulb has blown 
The fuse has blown 
The brightness control is set to the lowest 
level 

The bulb has blown 

The wrong bulb has been used 
The input voltage was too high 

The bulb flickers 

The bulb is not correctly fitted 
The lamp is worn out 

The bulb brightness is not sufficient 

The wrong bulb has been used 
The input voltage is too low 

 
 
 
 

Optical unit 

 

Problem 

Possible causes 

You can see two images 

The interpupillary distance is not set 
correctly 
The magnifications of the eyepieces do not 
match 

There is dirt in the visual field 

There is dirt on the object being observed 

There is dirt on the eyepiece surface 

The image is unclear 

There is dirt on the objective surface 

The focus wheels are jammed 

The torque of the focus wheels is set too 
high 

The  microscope  head  slips  down 
while you are viewing the object 

The torque of the focus wheels is set too low 

Eyes get tired easily 

The dioptre adjustment is not correct 
The brightness adjustment is not correct 

 

 

Содержание OZL 456

Страница 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 Stereo zoom microscope KERN OZL 45R OZL 456...

Страница 2: ......

Страница 3: ...7 4 Assembly 8 5 Operation and functionality 10 5 1 Getting started 10 5 2 Adjusting the interpupillary distance 10 5 3 Adjusting the magnification 10 5 4 Dioptre adjustment and focussing 11 5 5 Adjus...

Страница 4: ...l parts in the base of the device must not be tampered 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...

Страница 5: ...gid smooth horizontal surface When the microscope is not being used you should fit the objective cap and cover the microscope with the enclosed dust protective cover If the eyepieces are being stored...

Страница 6: ...s 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 organ...

Страница 7: ...OZL 45R BA e 1510 6 2 Nomenclature...

Страница 8: ...e angled at 45 Interpupillary distance 55 75 mm Dioptre adjustment On both sides Packaging dimensions WxDxH 345x320x470 mm Standard configuration Model KERN Tube Eyepiece Field of view mm Objective Zo...

Страница 9: ...ctors so that you can then fit the eyepieces When doing this please be particularly careful that you do not touch the optical lenses with your fingers and that no dust enters the apertures You should...

Страница 10: ...9 OZL 45R BA e 1510 Assembled stereo zoom microscope...

Страница 11: ...ieces must be re adjusted While you are looking through the eyepieces use one hand to hold the righthand or lefthand prism housing firmly By rotating outwards or inwards you can either increase or red...

Страница 12: ...ough the right eyepiece with the right eye and bring the object into focus by using the focus control dials 5 Now set the largest possible zoom factor 6 Once again still only looking through the right...

Страница 13: ...the other wheel Depending on the direction of the turn the torque will be increased or decreased On one hand this function can help to make it easier to adjust the focus and on the other hand it can p...

Страница 14: ...ied by the glasses symbol on the side They are also marked in the item description by an additional H example HSWF 10x 23 mm When fitting the eye cups make sure that the dioptre setting is not moved W...

Страница 15: ...reflected light is on the right rear corner The reflected light is provided by an LED ring lighting unit which is fitted directly under the objective and is connected to the objective Furthermore you...

Страница 16: ...is placed next to in front of or behind the microscope For halogen lighting units the light source is in the housing of the unit and is emitted through one or several optical fibre cables For LED unit...

Страница 17: ...75x 62 5x 28 125x 187 5x 37 5x 255x Field of view mm 15 8 2 4 31 5 4 8 10 5 1 6 7 9 1 2 Working distance 113 mm 220 mm 50 mm 35 mm 7 Features Model outfit Kern model Order number OZL 456 Eyepieces HWF...

Страница 18: ...sufficient The wrong bulb has been used The input voltage is too low Optical unit Problem Possible causes You can see two images The interpupillary distance is not set correctly The magnifications of...

Страница 19: ...y 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...

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