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KERN DE

KERN DE
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KERN & Sohn GmbH
D-72322 Balingen-Frommern
Postbox 4052
E-Mail: info@kern-sohn.de
Tel: 0049-[0]7433- 9933-0
Fax: 0049-[0]7433-9933-149
Internet: www.kern-sohn.de
E
Service Manual
Electronic Precision Balances
Page 2
KERN DE
version 1.1 06/01
DE-SH-e-0111
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KERN DE Specifications

General IconGeneral
BrandKERN
ModelDE
Protection classIP65
CategoryScales
Power supply4 x 1.5 V AA

Summary

Introduction to KERN DE Electronic Precision Balances

Features of the Balances

Lists key functionalities and capabilities of the electronic precision balances, including tare, memory, and overload protection.

Digital Auto Adjusting Procedure

Step-by-step guide for calibrating the balance using an external weight for accuracy.

Internal Adjusting Procedure

Detailed instructions for performing internal calibration of the balance using specific components and weights.

Display Segment Test Functionality

Procedure to verify the functionality of all segments on the balance's LCD display upon startup.

Functional Block Diagram and Description

Functional Block Diagram

Visual representation of the balance's main electronic components and their interconnections.

Component Function Descriptions

Explains the role and operation of each major component within the balance system, from load cell to keyboard.

Troubleshooting Common Issues

PCBA Replacement Guide

Replacing the Analogue PCBA

Step-by-step guide for replacing the analog printed circuit board assembly, including connection and adjustment steps.

Replacing the Display PCBA

Instructions for replacing the printed circuit board assembly responsible for the display, including connections.

Electronic Schematics

Spare Parts List for KERN DE Balances

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