Kern ORA 90BE Käyttöohje
Kern
Mittauslaitteet
ORA 90BE
Lue alta 📖 käyttöohje suomeksi merkille Kern ORA 90BE (2 sivua) kategoriassa Mittauslaitteet. Tämä opas oli hyödyllinen 33 henkilölle ja sai 4.7 tähden keskimäärin 17 käyttäjältä
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CONTENTS
1 Technical data 1 .................................................................................................
2 Description .....................................................................................................2
3 General information 3 .......................................................................................
3.1 Intended use 3 ...................................................................................................
3.2 Intended use 3 ...................................................................................................
4 Basic safety information 4 ................................................................................
4.1 Follow the instructions in the operating manual 4 ..........................................
4.2 Warranty ..................................................................................................... 4-5
5 Supplied items 5 ................................................................................................
6 Before the first use 6 .........................................................................................
7 Use/measurement .........................................................................................7
7.1 Additional advice 8 ............................................................................................
7.2 Measuring procedure 8-9 .................................................................................
8 Cleaning and maintenance 10 ..........................................................................
9 Storage ......................................................................................................... 10
10 Service ......................................................................................................... 11
11 Disposal ....................................................................................................... 11
12 Additional information................................................................................. 12
13 Brix to refractive index
(
nD
)
conversion table 12-13 .......................................
14 Annex ........................................................................................................... 14
1. Technische Daten
Models
KERN
Measuring range
and Scales
Scale gradua-
tions Accuracy
Dimensions
Product
Net weight
ORA 90BE
Brix: 0-42%
Brix: 42-71%
Brix: 71-90%
0,2 % Brix
0,2 % Brix
0,2 % Brix
200x40x40mm 0,600kg
ORA 1RE
RI: 1
,333-
1,5200 nD
0,005 nD 200x40x40mm 0,600kg
Operating manual
Analogue refractometer
KERN & Sohn GmbH
KERN ORA 90 BE
Analogue Expert 3x Brix scale
ORA 1 RE
Analogue Expert 3x nD scale
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
3. General information
3.1 Intended use
The refractometer is a measuring instrument for determining the refractive index of
transparent substances in liquid or in some cases also in the solid state. 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 shall be 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. Prism cover
2. Prism surface
3. Adjusting wheel measuring range
4. Dispersion adjusting ring
5. Optical tubes
6. Eyepiece with diopter
adjustment ring
Version 1. 0 /2012 4 9
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 immetdiately.
▸ 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 re-
fractometer, as this could cause serious eye injuries
▸ The rubber eyeshade may cause irritation when in prolonged contact with the
skin. If this happens, consult your doctor.
▸ 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
▸ Tools
▸ Cleaning cloth
6. Before the first use
Remove the protective film
(
if present
)
from the prism surface
[
2
]
and move the
measuring range adjusting wheel
[
3
]
to position 1.
Example scale on
ORA 90 BE
7.
Storage box
8. Pipette
9. Refractometer
10.
11.
Tools
Cleaning cloth
GB
!
The refractometer cannot be used for the measurement of oil-based fluids.
Tuotetiedot
| Merkki: | Kern |
| Kategoria: | Mittauslaitteet |
| Malli: | ORA 90BE |
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