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Summary of Contents for KERN OZM 912
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-mail: info@kern-sohn.com Internet: www.kern-sohn.com User instructions Stereo microscope set KERN OZM-9 OZM 912, OZM 913, OZM 932, OZM 933, OZM 952, OZM 953 Version 1.0 01/2016 OZM-9_1-BA-e-1610...
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Page 3: Table Of Contents
KERN OZM-9 Version 1.0 01/2016 User instructions Stereo microscope set Table of contents Before use ..................3 General notes ..........................3 Notes on the electrical system ....................3 Storage ............................4 Maintenance and cleaning ....................... 5 Nomenclature ................6 Basic data ..................8 Assembly .................. -
Page 4: Before Use
1 Before use 1.1 General notes You must open the packaging carefully, to make sure that none of the accessories in the packaging fall on the floor and get broken. In general, microscopes should always be handled carefully because they are sensitive precision instruments. -
Page 5: Storage
1.3 Storage You should ensure that the device is not exposed to direct sunlight, temperatures which are too high or too low, vibrations, dust or a high level of humidity. The ideal temperature range is between 0 and 40°C and a relative humidity of 85% should not be exceeded. -
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. OZM-9_1-BA-e-1610... -
Page 7: Nomenclature
2 Nomenclature Using the OZM-91 as an example (Trinocular) OZM-9_1-BA-e-1610... - Page 8 OZM-9_1-BA-e-1610...
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Page 9: Basic Data
3 Basic data Optical system Greenough Dimmable lighting Magnification ratio 6,4:1 Tube angled at 45° 52 – 76 mm Interpupillary distance Dioptre adjustment On both sides Eyepiece HSWF 10x / Ø 23mm Ø 32,8 – 5,1 Field of view (mm) Standard configuration OZM-9_1-BA-e-1610... -
Page 10: Assembly
4 Assembly The assembly of the microscope stand together with the holder has to be carried out as follows: 1. Microscope stand base a. Stand clamp: Clamp and pillar are firmly connected to each other. Attach the clamp with help of the fastening screw onto a stable edge of a table. - Page 11 In order to ensure the incident illumination, the LED ring light needs to be attached to the bottom of the objective housing of the microscope head. The three fastening screws on the holder of the ring light are used for the mounting. Therefor it is important to pay attention to the groove around the objective housing, which is intended to be the socket for the screws.
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Page 12: Operation And Functionality
As soon as the lefthand and righthand visual fields exactly overlap each other, this is the correct interpupillary distance. 5.3 Adjusting the magnification As the KERN OZM-9 series are stereo zoom microscopes, then you adjust the magnification using the two zoom adjustment wheels on the lefthand and righthand side of the microscope head. -
Page 13: Dioptre Adjustment And Focussing
5.4 Dioptre adjustment and focussing A special feature of stereo microscopes is that they are fitted with an optical unit which has a relatively high depth of field. In order to be able get the most benefit from this feature, each user must synchronise the focussing mechanisms for themselves. The steps to do this are described in the following section. -
Page 14: Adjusting The Stand
5.5 Adjusting the stand Torque of the focus wheels You adjust the torque of the focus wheels by holding one of the two wheels in place and using the other hand to turn 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 prevent the microscope head from slipping down unintentionally. -
Page 15: Using Eye Cups / High Eye Point Eyepieces
5.6 Using eye cups / High Eye Point eyepieces The eye cups supplied with the microscope can basically be used at all times, as they screen out intrusive light, which is reflected from light sources from the environment onto the eyepiece, and the result is better image quality. But primarily, if eyepieces with a high eye point (particularly suitable for those who wear glasses) are used, then it may also be useful for users who don’t wear glasses, to fit the eye cups to the eyepieces. -
Page 16: Brightness Adjustment
5.7 Brightness adjustment There is only the usage of incident illumination available when working with KERN stereo microscope sets. Therefor a LED ring light (see picture below) is required, that can be mounted to the bottom of the microscope head (see chapter 4 Assembly). -
Page 17: Fitting And Adjusting A Camera
5.8 Fitting and adjusting a camera (OZM 913, OZM 933, OZM 953) You can connect special microscope cameras and reflex cameras to trinocular devices in the OZM-9 series, so that you can digitally record images or sequences of objects being observed. The connection for this is on the top side of the microscope head (see figure above). - Page 18 To fit a microscope camera properly, you must use an adapter with a C-mount thread, which is put in the adapter connection once the cap is removed. In total there are three focusable adapters to choose from (see figure below). The difference between these adapters is that they have different integrated magnification (0.3x, 0.5x, 1.0x).
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Page 19: Using Additional Accessories
5.9 Using additional accessories Auxiliary objectives In order to make the magnification series of one of the stereo zoom microscopes described here even more flexible, there is the option of using appropriate auxiliary objectives. As you can see in Chapter 7 “Features”, you can choose from five different achromatic corrected objectives (0.37x, 0.5x, 0.7x, 1.5x, 2.0x), depending on what is required. -
Page 20: Optical Data
6 Optical data 7 Trouble shooting 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... -
Page 21: Service
The device may only be opened by trained service engineers who have been authorised by KERN. 9 Disposal The packaging is made of environmentally-friendly materials, which you can dispose of at your local recycling centre.
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