Instrukcja obsługi Kern ORA 1GG
Kern
Sprzęt pomiarowy
ORA 1GG
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Kern ORA 1GG (2 stron) w kategorii Sprzęt pomiarowy. Ta instrukcja była pomocna dla 13 osób i została oceniona przez 7 użytkowników na średnio 5.0 gwiazdek
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CONTENTS
1 Technical data.................................................................................................1
2 Description......................................................................................................2
3 General information 3 .......................................................................................
3.1 Intended use 3 ...................................................................................................
3.2 Warranty..........................................................................................................3
4 Basic safety information 4 ...............................................................................
4.1 Follow the instructions in the operating manual 4 .......................................
4.2 Warning ...........................................................................................................4
5 Supplied items 5 ................................................................................................
6 Before first use 6 ...............................................................................................
7 Handhabung / Messung 6 ................................................................................
7.1 Calibration with the calibration block 7 .........................................................
7.2 Measuring procedure 8-9 ................................................................................
8 Cleaning and maintenance 10 .........................................................................
9 Storage ......................................................................................................... 11
10 Service.......................................................................................................... 11
11 Disposal ........................................................................................................ 12
12 Additional information 12 ................................................................................
1. Technische Daten
Models
KERN
Measuring ran-
ge and Scales
Scale gradua-
tions Accuracy
Dimensions
Product
Net weight
ORA 1 GG
0,01 nD
130x20x30mm 0,400kg
Operating manual
Analogue refractometer
KERN & Sohn GmbH
KERN ORA 1 GG Analogue nD
Gemology/gemstones
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
GB
3. General information
3.1 Intended use
The refractometer is a measuring instrument for determining the refractive index
of gemstones. It is used to observe the behaviour of light as it passes from a prism
with known properties to the substance being tested.
Use of the refractometer for other purposes is contrary to its intended use and
may be hazardous. The manufacturer shall not be liable for any damages caused by
improper use.
3.2 Warranty
The warranty is void in the event of:
▸ Failure to observe the instructions in the operating manual
▸ Use for purposes other than those described
▸ Modifications or opening the device housing
▸ Mechanical damage and/or damage resulting from media, liquids,
natural wear and tear
2. Description
1. Illumination aperture with filter
2. Cap
3. Polarisation filter
4. Prism
5. Eyepiece
6. Housing
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3
6
4
5
1
Version 1. 0 /201 1 5 6
4. Basic safety information
4.1 Follow the instructions in the operating manual
Carefully read through the operating manual even if you have prior
experience with KERN refractometers.
Every language version includes a non-authoritative translation.
The original German document is the definitive version.
4.2 Warning
Do not let acids come into contact with skin or eyes. If acid comes into contact
with skin, flush with copious amounts of water. Shower if larger areas of skin are
affected.
If acid comes into contact with eyes, keep the eyelid open and flush the eye with
running lukewarm water from the outer corner to the inner corner. Flush eyes for at
least 15 minutes. Then consult a doctor or ophthalmologist immediately.
Thoroughly clean the refractometer aer each use.
The refractometer must not be exposed to extreme temperatures, high mechanical
stresses, strong direct sunlight or high humidity.
This refractometer is not a toy. Keep out of reach of children.
Make sure that you will not be hit by anything else while you are using the refracto-
meter, as this could cause serious eye injuries
Do not touch the lenses with your fingers.
5. Supplied items
Aer unpacking and before using the device for the first time, check that all
listed parts have been supplied. Replace damaged or faulty parts immediately
and do not put them into operation.
▸ Refractometer
▸ Storage box
▸ Pipette
▸ Adjustment tool
▸ Cleaning cloth
▸ Contact liquid ( )Calibration block + Diiodomethane
6. Before first use
Remove the protective film (if present) from the prism surface
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.
7. Use/measurement
The refractometer can be used to quickly and accurately determine the refractive
index of gemstones. Please make sure your hands are dry before handling the
measuring device.
Some gemstones are monorefringent, they have only one refractive index. Other
gemstones - and actually the majority - have two different refractive indexes.
Birefringency is a measure of the difference between two refractive indexes in
bire-fringent gemstones and ranges between 0.003 and 0.287.
Only a very few gemstones are monorefringent – the only known gemstones
displaying this property are diamond, spinel and garnet.
The gemstone refractometer is small, lightweight and is frequently used in the
jewellery business.
Example
scale on ORA 1 GG
RI: 1,30-1,81 nD
Specyfikacje produktu
| Marka: | Kern |
| Kategoria: | Sprzęt pomiarowy |
| Model: | ORA 1GG |
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