KERN Optics OZM-98 Series User manual
OZM-98-BA-e-1610
KERN & Sohn GmbH
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
User instructions
Stereo microscope set
KERN OZM-98
OZM 982, OZM 983
Version 1.0
01/2016
OZM-98-BA-e-1610 2
GB
KERN OZM-98
Version 1.0 01/2016
User instructions
Stereo microscope set
Table of contents
1Before use......................................................................................3
1.1 General notes............................................................................................................................ 3
1.2 Notes on the electrical system................................................................................................ 3
1.3 Storage ...................................................................................................................................... 4
1.4 Maintenance and cleaning....................................................................................................... 5
2Nomenclature................................................................................6
3Basic data......................................................................................8
4Assembly.......................................................................................9
5Operation and functionality .......................................................15
5.1 Getting started........................................................................................................................ 15
5.2 Adjust the interpupillary distance ........................................................................................ 15
5.3 Adjusting the magnification.................................................................................................. 15
5.4 Dioptre adjustment and focussing....................................................................................... 16
5.5 Adjusting the stand................................................................................................................ 17
5.6 Using eye cups / High Eye Point eyepieces ........................................................................ 18
5.7 Brightness adjustment........................................................................................................... 19
5.8 Fitting and adjusting a camera ............................................................................................. 20
5.9 Using additional accessories................................................................................................ 22
6Optical data..................................................................................23
7Trouble shooting.........................................................................23
8Service .........................................................................................24
9Disposal.......................................................................................24
10 Further information.....................................................................24
3 OZM-98-BA-e-1610
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. When using or transporting the microscope it is
particularly important to avoid abrupt movements, as this may damage the optical
components.
You should also avoid getting dirt or finger prints on the lens surface, because in
most cases this will reduce image clarity.
To maintain the performance of the microscope, it must never be disassembled. So
components such as lenses and other optical elements should be left as they were
before use. Also the electrical parts 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 power supply, you must make sure that you are using
the correct input voltage. The information to select the correct mains cable is located
on each device, on the rear of the product directly above the connection socket. You
must comply with this information. If you do not comply with these specifications, then
fires or other damage to the device could occur.
The main switch must also be switched off before the mains cable is connected. In
this way you will avoid triggering an electric shock.
If you are using an extension cable, then the mains cable you use must be earthed.
When carrying out any procedures whereby you come into contact with the electrical
system of the device, such as, for example, changing the bulb or fuse, only carry out
these procedures when the power is disconnected.
OZM-98-BA-e-1610 4
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.
The device should always be located on a rigid, smooth, horizontal surface.
For devices with pillar stands, the microscope holder 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 with the enclosed dust protective cover.
If the eyepieces are being stored separately, the protective caps must be fitted to the
tube connectors. In most cases, if dust and dirt gets inside the optical unit of a
microscope this can cause irreversible errors or damage.
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.
5 OZM-98-BA-e-1610
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 (if lighting unit is fitted).
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.
OZM-98-BA-e-1610 6
2 Nomenclature
Using the OZM 983 as an example
(Trinocular)
7 OZM-98-BA-e-1610
OZM-98-BA-e-1610 8
3 Basic data
Optical system
Greenough
Dimmable lighting
Yes
Magnification ratio
6,4:1
Tube
angled at 45°
Interpupillary distance
52 –76 mm
Dioptre adjustment
On both sides
Eyepiece
HSWF 10x / Ø 23mm
Field of view (mm)
Ø 32,8 –5,1
Standard configuration
9 OZM-98-BA-e-1610
4 Assembly
This manual suits for next models
2
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