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Vibra HJK Series - User Manual

Vibra HJK Series
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Precision Tuning-Fork Platform Scale
HJK Series
Operation Manual
SHINKO DENSHI CO., LTD.
IMPORTANT
To ensure safe and proper use of the scale, please read this
manual carefully.
After reading this manual, store it in a safe place near the scale,
so you can review it as needed.

Table of Contents

Questions and Answers

  • D
    daltonamySep 23, 2025
    What to do if Vibra Scales show ERR741?
    • A
      Amber MartinezSep 23, 2025
      Contact the store where you purchased the product.
  • R
    rosejessicaAug 23, 2025
    Why does my Vibra HJK show a DISPLAY ERROR?
    • E
      ericcomptonAug 23, 2025
      A DISPLAY ERROR on your Vibra Scales means that the addition result has exceeded the maximum display digit. To resolve this, clear the calculation result and carefully re-execute the addition or computation, paying attention to the display digit.
  • R
    Raymond TerryAug 25, 2025
    What does ERR717 mean on my Vibra HJK Scales and how to fix it?
    • A
      Abigail ShahAug 26, 2025
      ERR717 on your Vibra Scales means that the mass of the external calibration weight is more than 1% different from the designated mass at the span adjustment, or the maximum capacity (Max) at the span test. Check the calibration value of the weight and use the proper calibration weight.
  • J
    Joe MontoyaAug 27, 2025
    What does ERR750 mean on my Vibra HJK?
    • S
      Susan JuarezAug 27, 2025
      ERR750 on your Vibra Scales indicates that the weight of the sample to add is out of the importing range ('0 – maximum capacity' to 'maximum capacity'). It may also mean that the total value has exceeded the maximum display digit. Choose a sample with a weight within the importing range. Also, you can clear the total value.
  • A
    April RiveraAug 27, 2025
    Why does my Vibra HJK Scales show ERR743?
    • K
      kellyspearsAug 28, 2025
      ERR743 on your Vibra Scales indicates that the battery power supply is lacking to execute or or (Internal rechargeable battery option). Recharge the battery or connect the scale to the AC adapter.
  • B
    briansmithSep 18, 2025
    What could cause ERR709 on Vibra HJK?
    • J
      John WatsonSep 18, 2025
      Improper setting of the weighing pan or pan base is suspected.
  • R
    rmillerSep 15, 2025
    How to resolve ERR761 on Vibra HJK?
    • H
      hmartinSep 15, 2025
      To resolve ERR761 on your Vibra Scales, re-execute .
  • J
    julie69Sep 16, 2025
    What should I do if my Vibra HJK Scales display ERR001 to ERR099?
    • S
      stacycastilloSep 16, 2025
      Record the error code and notify the store where you purchased the product.
  • J
    james09Sep 7, 2025
    Why am I getting ERR752 on my Vibra Scales?
    • M
      Michael MitchellSep 7, 2025
      ERR752 on your Vibra Scales indicates that the unit weight of the samples is 0g and under at Counting mode. Choose the samples of which unit weight is larger than the minimum interval of the scale.
  • K
    Katelyn SpenceSep 4, 2025
    How do I fix ERR746 on my Vibra HJK?
    • R
      Robert PerezSep 4, 2025
      ERR746 on your Vibra Scales indicates that an invalid date or time was input at

Summary

1 Prior to use

1-1 Operating precautions

Safety guidelines for using the scale, including warnings and cautions.

1-2 For more accurate measurement

Factors affecting measurement accuracy and precautions for environment and setup.

1-3 Check for the articles contained in the box

Lists the items included in the product package for verification.

1-4 Name of each section

Identifies and labels the different parts of the scale.

1-5 Assembling and installation of the product

Provides step-by-step instructions for assembling and installing the scale.

1-5-2 Procedure for connection with AC adapter and peripherals

Instructions for connecting the AC adapter and external devices.

1-5-3 Level

Steps for ensuring the scale is properly leveled for accurate measurement.

1-6 How to carry the scale

Guidelines for safely lifting and transporting the scale.

1-7 Description of the operation keys

Explains the function of each key on the scale's control panel.

1-8 How to interpret the display

Details the meaning of various symbols and segments shown on the scale's display.

2 Basic usage

2-1 Turning on;off the power, and checking for the operation

Steps for powering the scale on/off and performing initial checks.

2-2 Zero-point adjustment

Procedure for adjusting the scale to read zero when no weight is applied.

2-3 Weighing samples with container (tare)

How to subtract the weight of a container (tare) before weighing a sample.

2-4 Weighing the additional sample

Instructions for weighing an additional sample after a tare operation.

2-5 Basic operation

Overview of the scale's basic operational procedures and menu structure.

3 Functions related to the operation

3-1 Hierarchy of functions related to the operation

Outlines the structure of operational functions and their settings.

3-2 Various measuring modes of the scale

Explains different measurement modes like Weighing, Counting, and Percentage.

3-3 Percentage mode

Displays weight relative to a reference weight in percentage.

3-4 Multiplied by Coefficient mode

Calculates weight multiplied by a pre-set coefficient.

3-5 Unit setting

Allows selection of different units for measurement.

3-6 Comparator function

Sets threshold values for comparing measured weights.

3-7 Adding function

Accumulates multiple weights to display a total value.

4 Functions related to the performance

4-1 Hierarchy of functions related to the performance

Overview of performance-related settings like stability and response.

4-2 Stability discrimination width

Adjusts how the scale judges stability under varying conditions.

4-3 Response speed

Configures how quickly the scale responds to weight changes.

4-4 Zero tracking

Automatically corrects zero-point fluctuations due to environmental changes.

5 Preset tare and Comparator setting

5-1 Hierarchy of Preset tare and Comparator setting

Structure of settings for preset tare and comparator functions.

5-2 Preset tare

How to input and register tare weights in advance.

5-3 Setting of the discrimination value of the comparator function

Configures upper, lower, and reference values for comparison.

6 External input;output functions

6-1 Hierarchy of the external input; output functions

Outlines the structure for communication settings and data output.

6-2 Connector terminal numbers, their functions and specifications

Details the pin assignments and specifications for scale connectors.

6-3 Communication format

Defines the structure of data sent to external devices.

6-4 Input command

Procedures for sending commands to the scale from external devices.

6-5 Response

Explains the formats of responses received from the scale.

6-6 Communication setting

Configuration of communication parameters like baud rate and parity.

7 Functions related to the lock

7-1 Hierarchy of functions related to the lock

Overview of functions that restrict operation or menu access.

7-2 Total lock release

How to disable all previously set locks.

7-3 Key lock function

Allows locking specific keys or the entire keypad.

7-4 Menu lock function

Restricts access to certain menus or makes them unmodifiable.

8 Controlling and adjustment functions

8-1 Hierarchy of controlling and adjustment functions

Structure of functions for scale ID, span adjustment, and date/time.

8-2 Shortcuts setting for accessing various measuring modes

Assigns measuring modes to function keys for quick access.

8-3 Free key setting

Assigns various functions to programmable free keys.

8-4 Adjustment and test

Procedures for span adjustment and testing to ensure accuracy.

8-5 Scale control setting

Manages scale ID, password protection, date, time, and language.

9 Troubleshooting

9-1 Error message

Lists error codes, their causes, and corresponding coping methods.

10 How to clean the scale

10 How to clean the scale

Instructions for cleaning the scale safely and effectively.

Appendix 1 Specifications

Appendix 1-1 Basic Specifications

Technical details including model, span, max capacity, and readability.

Appendix 1-2 Functional specifications

Details the functions, modes, display, and output capabilities of the scale.

Appendix 2 Dimensional outline drawing

Appendix 2 Dimensional outline drawing

Provides diagrams showing the physical dimensions and layout of the scale.

Appendix 3 Unit conversion table

Appendix 3 Unit conversion table

Lists units and their corresponding conversion coefficients.

Appendix 4 Weighing capacity and readability by non-metric units

Appendix 4 Weighing capacity and readability by non-metric units

Tables detailing capacity and readability for various non-metric units.

Appendix 5 Scale operation with password control function

Appendix 5-1 Users authority setting

Guides on setting user roles and permissions for scale operation.

Appendix 5-2 User;guest login

Instructions for logging in as a user or guest with assigned authority.

Appendix 6 Operation with internal rechargeable battery

Appendix 6-1 Specifications of battery

Details the specifications of the internal rechargeable battery.

Appendix 6-2 Recharging battery

Instructions on how to recharge the internal battery.

Vibra HJK Series Specifications

General IconGeneral
Auto Power OffYes
Overload IndicatorYes
Weighing Unitsg, oz, ct, ozt, tl
Platform SizeVaries by model
CalibrationExternal Calibration
DisplayLCD
InterfaceRS-232C
PowerAC adapter

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