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KERN PES Series User Manual

KERN PES Series
90 pages
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KERN & Sohn GmbH
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
Precision balance
KERN PES/PEJ
Version 1.6
04/2013
GB
PES/PEJ-BA-e-1316

Table of Contents

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KERN PES Series Specifications

General IconGeneral
MaterialStainless steel
Housing materialPlastic
Weighing unitsg, kg, lb, oz
Functionscounting, percentage weighing
DisplayLCD
InterfaceRS232
CalibrationExternal

Summary

1. Technical data

2. Declaration of conformity

3. Basic Information (General)

3.1. Proper use

Intended use of the balance for determining weighing value of material.

3.2. Improper Use

Avoid dynamic weighings, permanent load, explosive environments, and modifications.

3.3. Warranty

Conditions under which warranty claims are voided.

3.4. Monitoring of Test Resources

Regular checking of balance properties and test weights for quality assurance.

4. Basic Safety Precautions

6. Unpacking, Setup and Commissioning

6.1. Installation Site, Location of Use

Guidelines for selecting an optimal location for accurate weighing results.

6.2. Unpacking

Procedure for carefully removing the balance from its packaging.

6.3. Scope of delivery

Lists the included accessories with the balance.

6.4. Setup

Instructions for positioning the weighing plate and levelling the balance.

6.5. Mains connection

Connecting the balance to the power supply using the KERN mains adapter.

6.6. Internal battery operation (cannot be reequipped)

Information on charging and operating the balance using an optional rechargeable battery.

6.8. Initial Commissioning

6.8.1. Power display

Describes the balance display during initial power-on and self-test.

6.8.2. Bar graph display

Explanation of the bar graph's function and display.

6.8.3. Stability display

Indication of stable or unstable weighing status on the display.

6.8.4. Balance zero display

How to reset the balance to zero and its display indications.

6.9. Adjustment

6.9.1. Adjustment with external weight (only PES)

Procedure for adjusting the balance using external weights for PES models.

6.9.2. Adjustment test with external weight (only PES)

Procedure for checking the balance adjustment with external weights for PES models.

6.9.3. Automatic adjustment (only PEJ)

Procedure for automatic internal adjustment for PEJ models.

6.9.4. Adjustment with internal weight (only PEJ)

Procedure for adjusting the balance using its internal weight for PEJ models.

6.9.5. Adjustment test with internal weight (only PEJ)

Procedure for testing the balance adjustment with its internal weight for PEJ models.

6.10. Verification

6.10.1. Seals and unlocking switch

Information on verification seals and the unlocking switch for adjustment.

7. Application and configuration menu 1

7.1. User principle of the menu control

Explains how to navigate and operate the balance's menu system.

7.2. Menu overview

Overview of functions, display options, and selections within configuration menu 1.

7.2.1. Parameter additional functions

Details on additional functions and parameters for menu setting.

7.2.2. Parameter for serial interface

Configuration parameters for the serial interface.

8. Configuration menu 2

8.1. User principle of the menu control

How to navigate and operate the balance's configuration menu 2.

8.2. Menu overview

Overview of functions and settings within configuration menu 2.

9. Operation

9.1. Keyboard overview

Description of the balance keys and their functions.

9.2. Overview of display

Explanation of the symbols and indicators on the balance display.

10. Weighing mode

10.1. Weighing

Basic procedure for weighing items on the balance.

10.1.1. Taring

How to tare the balance to exclude the weight of a container.

10.1.2. Net/gross

How to display net and gross weights after taring.

10.2. Parts counting

Procedure for counting identical parts using the balance.

10.3. Percent determination

How to perform weighing in percentage relative to a reference weight.

10.3.1. Entering the reference weight by weighing

Steps to set a reference weight by weighing it on the balance.

10.3.2. Numeric entering of the reference weight

How to enter the reference weight numerically via the keyboard.

10.4. Density determination of solids (hydrostatic weighing)

Procedure for determining the density of solids using hydrostatic weighing.

11. Adding of displayed values

11.1. Adding with AUTO-TARE

Using the AUTO-TARE function for adding values without removing the weight.

12. Weighing with tolerance range

12.1. General Information

Introduction to using the balance as a dispensing or sorting balance with tolerance limits.

12.2. Display of the results

How the results are displayed, including tolerance markers.

12.2.1. For 2 limits

Display of results when two tolerance limits are set.

12.2.2. For 3 or 4 limits

Display of results when three or four tolerance limits are set.

12.3. Basic settings for weighings with tolerance range

How to perform basic settings for weighings with tolerance ranges.

12.4. Evaluation of absolute values

Procedure for setting limits for absolute value evaluation.

12.4.1. Entering 2 limits by weighing

Procedure to enter two limits by weighing for absolute value evaluation.

12.4.2. Entering 3 or 4 limits by weighing

Procedure to enter three or four limits by weighing.

12.4.3. Numeric entering of 2 limits

Procedure to numerically enter two limits.

12.5. Evaluation with difference values

Procedure for setting limits for difference value evaluation.

12.5.1. Entering 2 limits by weighing

Procedure to enter two limits by weighing for difference value evaluation.

12.5.2. Entering 3 or 4 limits by weighing

Procedure to enter three or four limits by weighing for difference values.

12.5.3. Numeric entering of 2 limits

Procedure to numerically enter two limits for difference values.

13. Setting date and time

13.1. Time

How to set the current time on the balance.

13.2. Date

How to set the current date on the balance.

13.3. Interval output function

How to set the interval for data output.

13.3.1. Interval setting

How to set the interval for data output.

13.3.2. Start/Stop interval output

How to start and stop interval data output.

13.4. Input balance ID-no.

Procedure to input a unique identification number for the balance.

14. Data output

14.1. RS 232C interface

Details of the RS 232C interface and pin allocation.

14.2. Printer interface (unidirectional data exchange)

Information on the printer interface and its pin allocation.

14.3. Description of interface

How interface parameters affect data output.

14.4. Data output

Details on data formats for transmission.

14.4.1. Format for data transmission

Explanation of 6-digit and 7-digit data formats.

14.4.4. Units

ASCII codes for different weighing units.

14.4.5. Result evaluation for balances with tolerance range

Codes for evaluating results against tolerance ranges.

14.4.6. Data status

Codes indicating the data status (stabilized, fluctuating, error).

14.4.7. Interval data output

Output of header or footer lines for interval data.

14.5. Remote control instructions

Instructions for controlling the balance remotely via commands.

15. Service, maintenance, disposal

15.1. Cleaning

Guidelines for safely cleaning the balance.

15.2. Service, maintenance

Information on authorized service and maintenance procedures.

15.3. Disposal

Proper disposal procedures for the balance and packaging.

Troubleshooting: Faults and Error Messages

Faults

Common faults and their possible causes.

Error messages

Common error messages and their meanings.

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