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KERN PRS User Manual

KERN PRS
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PRS/PRJ/ARS/ARJ-BA-def-0622 85
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 and analytical balances
KERN PRS/PRJ/ARS/ARJ
Version 2.2
11/2006
GB
PRS/PRJ/ARS/ARJ-BA-e-0622
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KERN PRS Specifications

General IconGeneral
Readability0.1 g
Housing materialPlastic
MaterialPlastic
DisplayLCD
Reproducibility0.1 g
Weighing unitsg, kg, lb, oz

Summary

Operating Instruction

Precision and Analytical Balances

Details the types of balances covered by this instruction manual.

1 Technical Data

Model Specifications Overview

Presents detailed technical specifications for various KERN balance models.

2 Declaration of Conformity

CE Compliance Statement

Declares conformity with EU directives and standards for the electronic balance.

3 Fundamental Information (General)

3.1 Intended Use

Specifies the proper and intended use of the balance for determining material weight.

3.2 Inappropriate Use

Details prohibited uses and potential damages to the balance.

3.3 Guarantee

Outlines conditions under which the product guarantee is invalidated.

4 Fundamental Safety Information

4.1 Observe Operating Instructions

Emphasizes reading operating instructions before installation and commissioning.

4.2 Staff Training

States that only trained staff should operate and maintain the device.

5 Transport and Storage

5.1 Acceptance Check

Instructions for checking packaging and device for damage upon delivery.

6 Unpacking, Installation, and Commissioning

6.1 Place of Installation and Use

Guidelines for selecting an optimal location to ensure reliable weighing results.

6.2 Unpacking

Procedure for carefully removing the balance from its packaging.

6.3 Installation

Describes the components of the balance and how to assemble them.

6.3.1 Windshield Adjustment

Instructions for positioning and adjusting the windshield for specific balance models.

6.4 Balance Functions

Details the versatile weighing programs and basic production features of the KERN series.

6.5 Equipment Overview

Illustrates and labels the various parts and interfaces of the balance.

6.6 Scope of Delivery

Lists the standard accessories included with the balance upon purchase.

6.7 Mains Supply

Information on using the correct external power adaptor and voltage compliance.

6.8 Connecting Peripheral Devices

Guidelines for connecting external equipment like printers or PCs to the balance.

6.9 Commissioning

Procedure for initial setup, including warm-up time for stabilization.

6.10 Calibration

Explains the necessity and process of adjusting the balance for local gravity.

6.10.1 External Calibration using ICM

Step-by-step guide for performing external calibration using the Intelligent Calibration Mode.

6.10.2 External Calibration with Selectable Weight

Procedure for external calibration using a user-defined weight.

6.10.3 Internal Calibration

Instructions for internal calibration using the built-in calibration weight (ARJ/PRJ models).

6.10.4 Automatic Calibration

Details automatic calibration triggered by time or temperature changes (ARJ/PRJ models).

6.10.5 Verification-Appropriate Balances

Information on balances meeting EU regulations for verification and their implications.

6.10.6 Verification Safety Seal Position

Illustrates the location of verification safety seals on ARJ/PRJ models.

6.11 Suspended Weighing

Procedure for weighing objects that cannot be placed on the scale using suspended weighing.

7 Modes of Operation and Use

7.1 Switching on the Balance

Steps to turn on the balance and initiate the self-diagnosis process.

7.2 Auto-Standby Mode

Configuration and function of the automatic standby mode for energy saving.

7.3 Significance of the Two Main Menus

Explains the purpose of the configuration and application menus.

7.4 Activating the Two Main Menus

Guides on how to access the configuration and application menus.

7.5 Menu Control Operation

Details the navigation and operation within the balance's menu system.

7.5.1 Control Panel

Identifies the keys on the multifunctional control panel and their roles.

7.5.2 Operation in Weighing Mode

Describes the function of keys and symbols when the balance is in weighing mode.

7.5.3 Operation in Programming Mode

Explains the function of keys and symbols during programming or configuration.

7.5.4 Display

Details the structure and information presented on the balance's two-line display.

7.5.5 Info-Line and Function Keys

Explains the use of the info-line and function keys for program control.

7.5.6 Statistics Program Display Example

Illustrates the display output and function key usage within the statistics program.

7.6 Password Protection of Menus

Describes password protection levels to prevent unintentional menu changes.

7.7 Anti-Theft Encoding

Explains how to activate and use the anti-theft code for security.

8 Working with the Configuration Menu

8.1 Structure of the Configuration Menu

Outlines the main paths and definable functions within the configuration menu.

8.2 Language Function

Provides steps to change the display language of the balance.

8.3 Defining the Configuration

Information on setting the balance's basic configuration (factory, user, store).

8.4 Selecting the Weight Unit

Guide to selecting and displaying measurement results in various weight units.

8.5 Print Functions

Details how to configure automatic and manual printout settings and formats.

8.6 Calibration Functions

Explains the different calibration modes: external, internal, and automatic.

8.7 Weighing Mode

Configures settings like floating display, stability, and auto-standby for weighing.

8.8 Interface Functions

Configures serial interface parameters for connecting peripheral devices.

8.9 Date and Time

Instructions for setting the date and time on the balance (PRJ and ARJ models).

8.10 Password Protection

Details how to set and manage password protection for menus.

8.11 Anti-Theft Encoding

Explains the activation and usage of the anti-theft encoding feature.

9 Working with the Application Menu

9.1 Structure of the Application Menu

Outlines the main paths for selecting and customizing working programs.

9.2 Selecting an Application

Lists available applications and how to select a desired weighing program.

9.3 Setup for SET APP UNITS

Configures multiple units for displaying weighing results in the 'UNITS' application.

9.4 Setup for SET APP COUNT

Guides on setting reference quantities for counting uniform items.

9.5 Setup for SET APP PERCENT

Details how to set reference weight for percentage weighing calculations.

9.6 Setup for SET APP CALCULATOR

Configures custom calculations by assigning names, factors, and units.

9.7 Setup for SET APP PAPER

Allows conversion of paper weights to 'Grammes per square meter'.

9.8 Setup for SET APP NET TOTAL

Enables summing individual weighings, taring before each measurement.

9.9 Setup for SET APP TOTALISE

Allows summing individual weighings without taring before each measurement.

9.10 Setup for SET APP ANIMAL WEIGHING

Configures settings for accurately weighing living animals, averaging results.

9.11 Setup for SET APP DENSITY

Configures modes and parameters for determining the density of solids and liquids.

9.12 Setup for the Statistics Program

Configures data collection for statistics: mode, collection, timebase, and number.

9.13 Setup for CHECK Weighing

Sets nominal weight and limits for checking if values are within tolerances.

10 Special Operating Keys

10.1 The Tare Key 'T'

Explains how to initiate the tare process for zeroing the balance.

10.2 The CAL Key 'CAL'

Describes how to start the calibration process using the CAL key.

10.3 The Print Key 'PRINT'

Details printing individual values, reports, status, and application setup.

10.4 The Change Key « »

Explains how to switch between different active applications on the balance.

11 Data Transfer to Peripheral Devices

Interface Settings: Handshake, Baud Rate, Parity

Configures interface settings for data transfer: handshake, baud rate, and parity.

11.1 Connection to Peripheral Devices

Illustrates standard duplex connection methods for peripherals.

11.2 Data Transfer

Explains the ASCII code structure used for data transfer from the balance.

11.3 Remote-Control Commands

Lists available commands for controlling the balance remotely via an interface.

11.4 Remote Control Examples

Provides practical examples of remote control commands and their effects.

12 Practical Examples

12.1 Changing the Configuration Menu

Demonstrates how to modify settings like language and weight units in the configuration menu.

12.1.3 Setting Print Functions

Provides practical steps to adjust print parameters like auto-start and mode.

12.1.4 Activation of Password Protection

Step-by-step guide to activating and setting password protection for menus.

12.2 Selecting an Application Program

Demonstrates how to navigate and select specific applications like 'COUNT'.

12.2.1 Setting for Counting by Weighing

Practical example showing how to set up and use the parts counting function.

12.2.2 Setting the Statistics Function

Practical guide for setting up and storing data for statistical analysis.

13 Further Information

13.1 Notes on Weighing Mode

Details settings for floating display and stability control based on location quality.

13.2 Notes on Density Determination

Explains methods for determining density of solids and liquids using the 'Density' program.

14 Configuration Menu Tree

Configuration Menu Structure

Visual representation of the configuration menu paths and functions.

15 Application Menu Tree

Application Menu Structure

Diagram showing the organization of the application menu and its sub-menus.

16 Servicing, Maintenance, and Disposal

16.1 Cleaning

Instructions for safely cleaning the balance, including precautions.

16.2 Servicing and Maintenance

Guidelines for authorized servicing and maintenance of the balance.

16.3 Disposal

Information on the proper disposal of the balance and packaging according to regulations.

17 Troubleshooting

Fault Diagnosis and Solutions

Lists common faults, their possible causes, and initial troubleshooting steps.

18 Error Messages and Correction of Faults

18.1 Notes on Correcting Faults

Provides a table of specific faults, their causes, and recommended corrections.

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