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KERN PNJ Series User Manual

KERN PNJ Series
234 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
Betriebsanleitung
Operating instruction
Mode d’emploi
KERN PNJ / PNS
Version 1.2
04/2016
PNJ_PNS-BA-def-1612

Table of Contents

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KERN PNJ Series Specifications

General IconGeneral
Weighing plate materialstainless steel
Minimum part weight at piece counting (Laboratory scale)0.001g
Stabilisation time under laboratory conditions3 s
Power supply/adapter includedYes
Weighing unitsg
InterfaceRS-232

Summary

1 Technical data

1.1 Dimensions

Technical drawings showing the physical dimensions of the balance models.

2 Appliance overview

2.1 Keyboard overview

Explanation of the buttons and their functions on the balance control panel.

2.2 Overview of display

Explanation of the symbols and indicators shown on the balance display.

3 Basic instructions

3.1 Intended use

Explains the intended purpose and correct application of the weighing balance.

3.2 Improper Use

Details prohibited uses that could damage the balance or lead to incorrect results.

3.3 Warranty

Outlines conditions under which warranty claims become void.

4 Basic Safety Precautions

4.1 Pay attention to the instructions in the Operation Manual

Emphasizes the importance of reading and following the operation manual.

4.2 Personnel training

States that only trained personnel should operate and maintain the appliance.

5 Transport and storage

5.1 Testing upon acceptance

Instructions for checking the appliance for damage upon delivery.

5.2 Packaging / return transport

Guidelines for packaging and preparing the appliance for return transport.

6 Unpacking, Setup and Commissioning

6.1 Installation Site, Location of Use

Recommendations for choosing an optimal location for accurate weighing.

6.2 Unpacking, Scope of delivery

Procedure for carefully unpacking the device and verifying its contents.

6.2.1 Scope of delivery / serial accessories

Lists and illustrates all included accessories and the scope of delivery.

6.3 Assemble windshield (only models d = 0.001g)

Step-by-step instructions for assembling the windshield for specific models.

6.4 Assembly, placing and levelling

Instructions for physically assembling, positioning, and levelling the balance.

6.5 Mains connection

Procedure for connecting the balance to the power supply.

6.6 Initial Commissioning

Steps for the first-time setup and activation of the balance.

6.6.1 Models PNJ

Step-by-step guide for the initial setup and commissioning of PNJ models.

6.6.2 Models PNS

Step-by-step guide for the initial setup and commissioning of PNS models.

6.7 Connection of peripheral devices

Guidance on connecting external devices like printers or computers.

6.8 Adjustment

Explanation of the adjustment process to ensure measurement accuracy.

6.8.1 Adjustment with internal weight (only models PNJ)

Procedure for performing internal calibration using the balance's built-in weight.

6.8.2 Adjustment with external weight (only models PNS)

Procedure for performing external calibration using an external weight.

6.9 Verification

Information regarding the official verification process for weighing scales.

7 Basic Operation

7.1 Start-up

Instructions for turning the balance on and initial readiness checks.

7.2 Switch into stand-by mode

How to put the balance into a low-power stand-by state.

7.3 Zeroing

Procedure to reset the balance to zero before weighing.

7.4 Simple weighing

Basic steps for performing a simple weighing operation.

7.5 Unity change

How to switch the weighing units displayed on the balance.

7.6 Weighing with tare

Methods for excluding the weight of a container or subtracting known weights.

7.6.1 Taring

How to tare the weight of a container to measure only the net weight of the contents.

7.6.2 Multiple tare

Method for taring multiple components sequentially.

8 Menu

8.1 Menu [function]

Explanation of how to navigate and use the main function menu.

8.1.1 Navigation in the menu

Detailed steps for navigating through the menu options.

8.1.2 Menu overview

A summary of the available menu items and their default settings.

8.2 Menu [Function2]

Accessing and navigating the secondary function menu.

8.2.1 Navigation in the menu

Guide to accessing and navigating the secondary function menu.

8.2.2 Menu overview

Overview of the options available within the secondary function menu.

9 Applications

9.1 Parts counting

Instructions for using the balance to count identical items.

9.2 Percent determination

How to perform percentage calculations relative to a reference weight.

9.3 Weighing with tolerance range

Using the balance to check if weights fall within specified upper and lower limits.

9.3.1 Enable function / settings in menu

How to activate and configure tolerance weighing settings within the menu.

9.3.2 Tolerance check after setting the limit values by weighing

Setting tolerance limits by weighing reference items.

9.3.3 Tolerance check after numeric input of the limit values

Setting tolerance limits by manually entering numerical values.

10 General functions

10.1 Zero-tracking

Function to automatically tare small weight variations.

10.2 Settings for Stability and Response

Adjusting balance response for different environmental conditions.

10.3 Show software status (only models PNJ)

How to view the balance's current software version.

10.5 Setting date / time (only models PNJ)

Procedure for setting the internal clock and date of the balance.

10.5.1 Setting time

Step-by-step guide to set the current time on the balance.

10.5.2 Setting date

Step-by-step guide to set the current date on the balance.

10.6 Set date format (only models PNJ)

Customizing the display format for the date (e.g., DD.MM.YY).

11 RS232C-interface

11.1 General hints

Basic information and requirements for connecting peripheral devices via RS232C.

11.2 Printer operation

Instructions for connecting and operating a printer with the balance.

11.2.1 Edit an ISO/GLP/GMP-conform adjustment log (only models PNJ)

Setting up the balance to generate ISO/GLP/GMP compliant adjustment logs.

11.2.2 Protocol output with current date / time (only models PNJ)

Configuring the balance to include date and time in printed output.

11.3 Data output

Options for configuring how data is transmitted from the balance.

11.3.1 Data transmission format

Setting the format for data transfer (e.g., 6 or 7 digits).

11.3.2 Description of data

Explanation of the codes and data fields used in output.

11.3.3 Output examples

Illustrative examples of data output formats.

11.4 Remote control instructions

Commands and procedures for controlling the balance remotely.

12 Servicing, maintenance, disposal

12.1 Cleaning

Guidelines for safely cleaning the balance.

12.2 Servicing, maintenance

Information on authorized servicing and maintenance procedures.

12.3 Disposal

Proper methods for disposing of the balance and its packaging.

13 Instant help

14 Error messages

15 Declaration of conformity

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