Kern ORA 90BE Manual

Kern Måleudstyr ORA 90BE

Læs gratis den danske manual til Kern ORA 90BE (2 sider) i kategorien Måleudstyr. Denne vejledning er vurderet som hjælpsom af 25 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 13 anmeldelser. Har du et spørgsmål om Kern ORA 90BE, eller vil du spørge andre brugere om produktet?

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Side 1/2

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

(

)

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

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-

[

]

7433-9933-0

Fax: +49-

[

]

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 aer 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

Aer 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

[

]

and move the

measuring range adjusting wheel

[

]

to position 1.

Example scale on

ORA 90 BE

Storage box

8. Pipette

9. Refractometer

10.

11.

Tools

Cleaning cloth

The refractometer cannot be used for the measurement of oil-based fluids.

Produkt Specifikationer

Mærke:	Kern
Kategori:	Måleudstyr
Model:	ORA 90BE

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