KERN KERN ECE Manual de usuario

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

Operating instruction

Platform scale

KERN ECE

Version 1.1

05/2007

ECE-BA-e-0711

CHECK

•

LINE ®

ELECTROMATIC Equipment Co., Inc., 600 Oakland Ave., Cedarhurst, NY 11516 – USA

Tel: 800-645-4330 (USA & Canada) ■Tel: (516) 295-4300 ■Fax: (516) 295-4399

Visit us on the World Wide Web at www.checkline.com

CHECK•LINE is a registered trademark of ELECTROMATIC Equipment Company Inc. Printed in U.S.A.

ECE-BA-e-0711

GB KERN ECE

Version 1.1 05/2007

Operating instruction

Platform scale

Tabel of contents:

1Technical data__________________________________________________ 4

2Declaration of conformty _________________________________________ 5

3Fundamental information (general)_________________________________ 6

3.1 Intended use _____________________________________________________ 6

3.2 Inappropriate use _________________________________________________ 6

3.3 Guarantee _______________________________________________________ 6

3.4 Monitoring the test substances______________________________________ 7

4Fundamental safety information ___________________________________ 7

4.1 Observe the information in the operating instructions___________________ 7

4.2 Staff training _____________________________________________________ 7

5Transport and storage ___________________________________________ 7

5.1 Acceptance check ________________________________________________ 7

5.2 Packaging _______________________________________________________ 7

6Unpacking, installation and commissioning _________________________ 8

6.1 Place of installation, place of use____________________________________ 8

6.2 Unpacking the Balance ____________________________________________ 8

6.2.1 Installation ___________________________________________________________ 8

6.2.2 Package volume_______________________________________________________ 9

6.3 Mains supply/ Battery operation_____________________________________ 9

6.3.1 Mains supply__________________________________________________________ 9

6.3.2 Battery operation ______________________________________________________ 9

6.4 Initial start-up ___________________________________________________ 11

6.5 Adjustment _____________________________________________________ 11

6.6 Adjusting_______________________________________________________ 11

ECE-BA-e-0711 3

7Operation_____________________________________________________ 12

7.1 Weighing _______________________________________________________ 12

7.2 Taring (TARE key)________________________________________________ 12

8Maintenance, upkeep, disposal___________________________________ 13

8.1 Cleaning _______________________________________________________ 13

8.2 Maintenance, upkeep _____________________________________________ 13

8.3 Disposal________________________________________________________ 13

9Troubleshooting _______________________________________________ 14

ECE-BA-e-0711

1 Technical data

KERN ECE10K10 ECE20K20 ECE50K50

Readout 10 g 20 g 50 g

Weighing range 10 kg 20 kg 50 kg

Taring range (subtractive) 10 kg 20 kg 50 kg

Reproducibility 10 g 20 g 50 g

Linearity ± 20 g ± 40 g ± 100 g

Adjusting weight

(not included), adjustment/

tolerance as per M3 5 kg 10 kg 20 kg

Stabilisation time (typical) 2 - 3 sec.

Optimal temp. of operation + 0° C .... + 40° C

Humidity max. 80 % (non-condensing)

Size (W x D x H) mm 320 x 300 x 60

Weighing plate mm 320 x 260

Weight kg (net) 1,7

ECE-BA-e-0711 5

2 Declaration of conformty

KERN & Sohn GmbH

D-72322 Balingen-Frommern

Postfach 4052

E-Mail: [email protected]

Tel: 0049-[0]7433- 9933-0

Fax: 0049-[0]7433-9933-149

Internet: www.kern-sohn.de

Konformitätserklärung

Declaration of conformity for apparatus with CE mark

Konformitätserklärung für Geräte mit CE-Zeichen

Déclaration de conformité pour appareils portant la marque CE

Declaración de conformidad para aparatos con disitintivo CE

Dichiarazione di cofnromitá per apparecchi contrassegnati con la marcatura CE

English We hereby declare that the product to which this declaration refers conforms with the fol-

lowing standards.

Deutsch Wir erklären hiermit, daß das Produkt, auf das sich diese Erklärung bezieht, mit den nach-

stehenden Normen übereinstimmt.

Français Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la présente

déclaration, est conforme aux normes citées ci-après.

Español Manifestamos en la presente que el producto al que se refiere esta declaración est´´a de

acuerdo con las normas siguientes

Italiano Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è confor-

me alle norme di seguito citate.

Electronic Parcel Scale: KERN ECE

Mark applied EU Directive Standards

89/336EEC EMC EN 61000-3 : 2001

EN 61000-3 : 2000

EN 61000-3-3 : 1995+A1 : 2001

EN 61000-6-1 :2001

Date: 15.11.2005 Signature:

Gottl. KERN & Sohn GmbH

Management

Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149

ECE-BA-e-0711

3 Fundamental information (general)

3.1 Intended use

The balance you have acquired serves to determine the weighing value of the mate-

rial to be weighed. It is intended to be used as a “non-automatic“ balance, i.e. the

material to be weighed is manually and carefully placed in the centre of the weighing

plate. The weighing value can be read off after a stable weighing value has been ob-

tained.

3.2 Inappropriate use

Do not use the balance for dynamic weighing. In the event that small quantities are

removed or added to the material to be weighed, incorrect weighing results can be

displayed due to the “stability compensation“ in the balance. (Example: Slowly drain-

ing fluids from a container on the balance.)

Do not leave a permanent load on the weighing plate. This can damage the measur-

ing equipment.

Be sure to avoid impact shock and overloading the balance in excess of the pre-

scribed maximum load rating (max.), minus any possible tare weight that is already

present. This could cause damage to the balance.

Never operate the balance in hazardous locations. The series design is not explo-

sion-proof.

Structural alterations may not be made to the balance. This can lead to incorrect

weighing results, faults concerning safety regulations as well as to destruction of the

balance.

The balance may only be used in compliance with the described guidelines. Varying

areas of application/planned use must be approved by KERN in writing.

3.3 Guarantee

The guarantee is not valid following

- non-observation of our guidelines in the operating instructions

- use outside the described applications

- alteration to or opening of the device

- mechanical damage and damage caused by media, liquids

- natural wear and tear

- inappropriate erection or electric installation

- overloading of the measuring equipment

ECE-BA-e-0711 7

3.4 Monitoring the test substances

The metrology features of the balance and any possible available adjusting weight

must be checked at regular intervals within the scope of quality assurance. For this

purpose, the answerable user must define a suitable interval as well as the nature

and scope of this check. Information is available on KERN’s home page (www.kern-

sohn.com) with regard to the monitoring of balance test substances and the test

weights required for this. Test weights and balances can be adjusted quickly and at

a reasonable price in KERN’s accredited DKD calibration laboratory (return to na-

tional normal).

4 Fundamental safety information

4.1 Observe the information in the operating instructions

Please read the operating instructions carefully before erecting and commissioning,

even if you already have experience with KERN balances.

4.2 Staff training

The device may only be operated and looked after by trained members of staff.

5 Transport and storage

5.1 Acceptance check

Please check the packaging immediately upon delivery and the device during un-

packing for any visible signs of external damage.

5.2 Packaging

Please retain all parts of the original packaging in case it should be necessary to re-

turn items at any time.

Only the original packaging should be used for return consignments.

Before despatch, disconnect all attached cables and loose/movable parts.

Secure all parts, e.g. power unit etc., to prevent slipping and damage.

ECE-BA-e-0711

6 Unpacking, installation and commissioning

6.1 Place of installation, place of use

The balance is constructed in such a way that reliable weighing results can be achie-

ved under normal application conditions.

By selecting the correct location for your balance, you will be able to work quickly and

precisely.

Therefore please observe the following at the place of installation:

- Place the balance on a firm, level surface;

- Avoid extreme heat as well as temperature fluctuation caused by installing

next to a radiator or in the direct sunlight;

- Protect the balance against direct draughts due to open windows and doors;

- Avoid jarring during weighing;

- Protect the balance against high humidity, vapours and dust;

- Do not expose the device to extreme dampness for longer periods of time. In-

admissible bedewing (condensation of air moisture on the device) can occur if

a cold device is taken into a significantly warmer environment. In this case,

please acclimatise the device for approx. 2 hours at room temperature after it

has been disconnected from the mains.

- Avoid static charging of the material to be weighed, weighing container and

windshield.

Major display deviations (incorrect weighing results) are possible if electromagnetic

fields occur as well as due to static charging and instable power supply. It is then ne-

cessary to change the location.

6.2 Unpacking the Balance

Carefully remove the balance from the packaging and out of the plastic covering,

then place the balance on the assigned position.

6.2.1 Installation

Install the balance in such a fashion that the weighing plate is absolutely horizontal.

ECE-BA-e-0711 9

6.2.2 Package volume

Serial fittings:

KERN ECB

•Balance

•Operating manual

•Power adaptor

6.3 Mains supply/ Battery operation

6.3.1 Mains supply

Electric power supply is by means of the external mains supply circuit. The printed

voltage level must comply with the local voltage.

Only use original KERN mains supply circuits. The use of other makes is subject to

approval by Kern.

Mains adapter output voltage: 9V DC (polarity: inner terminal is negative)

6.3.2 Battery operation

Open the battery cover on the underside of the balance. Insert 6 x 1.5volt (AA) bat-

teries.

Replace the battery cover. To preserve battery life, the balance switches off

automatically after 3 minutes if no weighing has taken place.

For battery operation the balance has an automatic switchoff function which can be

activated and deactivated in the menu (chap. 7.5).

When the battery power is used up the display will show “LO“. Press the ON/OFF

key and change the batteries at once.

When the balance is not in use for a longer period of time remove batteries and keep

them separately. Leakage of battery liquid might damage the balance.

The optionally supplied battery is charged with the supplied power supply.

The battery has a service life of c. 100 hours.

The charging period for total charge is c. 10 hours.

ECE-BA-e-0711

Rechargeable Battery Installation:

1. Remove battery cover

2. Slide spacer to left or right, lever down on corner, then remove the

spacer

3. Insert and connect rechargeable battery

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