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User instructions
Transmitted light school microscope
KERN
OBS-1
Version 1.2
01/2019
OBS-1-BA-e-1912
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
OBS 101, OBS 102, OBS 103, OBS 104,
OBS 105, OBS 106
OBS 111, OBS 112, OBS 113, OBS 114,
OBS 115, OBS 116
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
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Related Manuals for KERN Optics OBS-1
Summary of Contents for KERN Optics OBS-1
- Page 1 Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com 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 OBS 111, OBS 112, OBS 113, OBS 114, OBS 115, OBS 116 Version 1.2...
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Page 3: Table Of Contents
KERN OBS-1 Version 1.2 01/2019 User instructions Transmitted light microscope Table of contents Before use ..................3 General notes ..........................3 Notes on the electrical system ....................3 Storage ............................4 Maintenance and cleaning ....................... 5 Nomenclature ................6 Technical data / Features ............7 Assembly .................. -
Page 4: Before Use
When carrying out any procedures whereby you come into contact with the electrical system of the device, such as, for example, changing the bulb, only carry out these procedures when the power is disconnected. The rechargeable batteries must be replaced by qualified electricians only. OBS-1-BA-e-1912... -
Page 5: Storage
The best way to store accessories which consist of optical elements, such as, for example, eyepieces and objectives, is in a dry box with desiccant. OBS-1-BA-e-1912... -
Page 6: Maintenance And Cleaning
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. OBS-1-BA-e-1912... -
Page 7: Nomenclature
2 Nomenclature OBS-1-BA-e-1912... -
Page 8: Technical Data / Features
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 OBS-1-BA-e-1912... - Page 9 OBS-1-BA-e-1912...
- Page 10 OBS-1-BA-e-1912...
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Page 11: Assembly
There is the ability to adjust the height of the condenser, but not to centre it. When using the silver lever on the side of the condenser appropriately, it can be moved up and down. You should avoid touching the optical lenses with bare fingers. OBS-1-BA-e-1912... -
Page 12: Operation
(OBS 101, OBS 104) or by using the adjustment wheels on the right of the stage (OBS 106) (see illustration on the right). You can position only one object holder. OBS-1-BA-e-1912... -
Page 13: Pre-) Focussing
The simplest way of doing this would be to first raise the specimen stage (using the coarse adjustment knob) until it is just under the objective and then lower it slowly. As soon as an image is recognisable (no matter how sharp), then you should only adjust the focus using the fine adjustment knob. OBS-1-BA-e-1912... -
Page 14: Adjusting The Interpupillary Distance
3. Then look through the left eyepiece with the left eye and use the lefthand dioptre adjustment ring to focus the image. To do this, you just need to turn the ring in both directions (see illustration), to find out where the image is at its most focussed. OBS-1-BA-e-1912... -
Page 15: Adjusting The Magnification
If you have focussed the object to be observed for a specific magnification, then if you select the objective with the next greatest magnification, then the object will be slightly out of focus. Use the fine adjustment knob to make a slight adjustment and restore the focus. OBS-1-BA-e-1912... -
Page 16: Adjusting The Illumination
If the eyepiece should be removed, for checking, then please make sure that no dirt or dust falls into the tube. 3. The brightness is always controlled by the bulb brightness (using the dimmer) and not by the aperture diaphragm. OBS-1-BA-e-1912... -
Page 17: Using Rechargeable Batteries
5.7 Using rechargeable batteries Only applies to OBS 101, 102, 103, 104, 105, 106 All models of the series OBS-1 (OBS 101 - 106) enable a wireless usage. Therefore three rechargeable batteries are integrated in the power supply of these microscopes. -
Page 18: Using Oil Immersion Objectives
If the contact is made too jerky, there is a chance that existing air bubbles in the oil cannot escape. This would have a negative impact on image clarity. After use or before changing the slide, any components which have been in contact with the oil must be cleaned thoroughly. See also 1.4 Maintenance and cleaning. OBS-1-BA-e-1912... -
Page 19: Changing The Bulb
The LED can simply be pulled out of its socket. It is absolutely important to be aware of its correct alignment when mounting the new LED. The support plate of the LED needs to be directed towards the front of the microscope (see illustration). OBS-1-BA-e-1912... -
Page 20: Trouble Shooting
Dioptre setting has not been carried out correctly The field of view of one eye does not Different eyepieces are used for the match that of the other eye righthand and lefthand side The eyes are not used to using a microscope OBS-1-BA-e-1912... - Page 21 The nosepiece is not correctly fitted The objective is not positioned correctly on The image flickers the beam path The condenser has not been correctly centred When you move the table, the image The stage was not correctly fitted becomes blurred OBS-1-BA-e-1912...
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Page 22: Service
The descriptions and illustrations in this user manual are subject to change without notice. Further developments on the device may lead to these changes. All language versions contain a non-binding translation. The original German document is the binding version. OBS-1-BA-e-1912... - Page 23 NOTES __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ ________________________________________________________ OBS-1-BA-e-1912...
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