KERN Optics OSE 421 User Instructions Download

Page: 8 / 17

OSE-42-BA-e-1810

Basic data

Optical system

Greenough

Dimmable lighting

Yes

Tube

angled at 45°

Interpupillary distance

– 75 mm

Dioptre adjustment

Both-sided

Product dimensions WxDxH

340x310x225 mm

Standard configuration

Model

KERN

Tube

Eyepiece

Field of view

mm

Objective

Stand

Illumination

OSE 421

Binocular

WF 10x Ø 20 mm

Ø 20

2x / 4x

mechanical

1W LED (reflected light); 1W LED
(transmitted light)

OSE 422

Binocular

WF 10x Ø 20 mm

Ø 20

2x / 4x

mechanical

1W LED (reflected light); 1W LED
(transmitted light) (Rechargeable
batteries incl.)

Summary of Contents for OSE 421

Page 1: ...N 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 microscope KERN OSE 42 OSE 421 OSE 422...

Page 2: ......

Page 3: ...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 Adjusting...

Page 4: ...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 power supply you must...

Page 5: ...older must not be rotated back too far If you do this there is a risk that the microscope could tip over When the microscope is not being used you should fit the objective cap and cover the microscope...

Page 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...

Page 7: ...OSE 42 BA e 1810 6 2 Nomenclature...

Page 8: ...Product dimensions WxDxH 340x310x225 mm Standard configuration Model KERN Tube Eyepiece Field of view mm Objective Stand Illumination OSE 421 Binocular WF 10x 20 mm 20 2x 4x mechanical 1W LED reflecte...

Page 9: ...he tube You just need to remove the protective film which covers them When doing this make sure that you do not touch the optical lenses with your fingers In general you should avoid using two eyepiec...

Page 10: ...9 OSE 42 BA e 1810 Assembled stereo microscope...

Page 11: ...n uses the microscope the gap between the two eyepieces 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...

Page 12: ...he dioptre adjustment ring of the right eyepiece 9 In order to get the highest level of accuracy when adjusting the focus you should repeat steps 5 8 10 Afterwards set back to the smallest possible ma...

Page 13: ...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...

Page 14: ...ing is not suitable for the application then it often makes sense to fit an external lighting unit to overcome this problem The lighting units which are suitable for devices of the OSE 42 series are g...

Page 15: ...e long service life of an LED lighting system for these microscopes it will not be necessary to simply change a bulb Problems with the lighting unit would therefore in most cases be caused by defects...

Page 16: ...icient The wrong bulb has been used The input voltage is too low Optical unit Problem Possible causes You can see two images The gap between the eyes is not set correctly The magnifications of the eye...

Page 17: ...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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KERN Optics OSE 421, User Instructions

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