Shinko Denshi LF124R - User Manual

380002M51
S e m i - m i c r o a n d A n a l y t i c a l B a l a n c e
ＬＦ Series
Operation Manual
SHINKO DENSHI CO., LTD.
IMPORTANT
 To ensure safe and proper use of the balance, please read this
manual carefully.
 After reading this manual, store it in a safe place near the balance, so
you can review it as needed.

Summary

Introduction to Balance Operation

Important Safety Instructions

Crucial guidelines for safe operation and handling of the balance.

Critical Safety Information

General Safety Precautions

Emphasizes awareness of potential dangers and following manual instructions for safe use.

Chapter 1: Getting Started

General Use Warnings

Provides critical warnings to prevent injury, damage, and ensure safe operation.

Cautionary Notes for Operation and Installation

Lists cautions regarding force, overloading, solvents, and installation environment.

Important Operational Notes and Power Management

Advises on acclimation, calibration after relocation, and unplugging the adapter.

Chapter 2: Basic Operation

Powering Balance On;Off and Checks

Guides on turning the balance on and off and performing initial checks.

Performing Zero-Point Adjustment

Instructs on how to reset the balance to zero, essential for accurate measurements.

Tare Weighing Procedure

Explains how to weigh a sample using a container by subtracting the container's weight.

Chapter 3: Various Measuring Methods

Limit Function: Judgment Methods

Explains how the balance judges measurements against set limits and displays results.

Statistical Operation Function Overview

Parts Counting Function

Explains how to use the balance for counting items based on sample weight.

Limit Function: 1-Point Judgment

Performing Statistical Operations

Limit Function: Criteria and Entry

Details criteria for judgment and methods to enter limit values.

Limit Function: Detailed Settings

Configures specific parameters for the limit function like condition, range, and buzzer.

Percentage Weighing Setup

Guides on setting up and performing percentage weighing measurements.

Limit Function: Parameter Setup

Guides on setting the limit function, judgment condition, range, point scale, and method.

Percentage Weighing: Manual Reference Setting

Details how to set the reference weight by manually entering a value.

Limit Function: Judgment by Sample Weights

Sets limit values by weighing actual samples for lower and upper limits.

Limit Function: Judgment by Entering Values

Sets limit values by manually entering them via the balance keys.

Weight Calculation with Coefficient

Describes how to apply a coefficient for custom unit conversions or calculations.

Limit Function: Deviation Judgment (Sample Weights)

Sets judgment values based on a reference sample and deviations.

Limit Function: Deviation Judgment (Entering Values)

Sets judgment values by entering a reference weight and deviations.

Specific Gravity Measurement Procedure

Outlines the steps for measuring specific gravity using underfloor measurement.

Specific Gravity Measurement Steps

Details measurement process including setting temperature and weighing.

Completing Specific Gravity Measurement

Covers saving measurements and handling liquid containers.

Specific Gravity with Other Liquids

Addition Function Settings

Using the Addition Function

Chapter 4: Adjusting the Balance

Span Adjustment with Internal Weight

Guides on performing span adjustment using the balance's internal weight.

Span Test with Internal Weight

Explains how to perform a span test using the balance's internal weight.

Span Adjustment with External Weight

Details how to perform span adjustment using an external calibration weight.

Span Test with External Weight

Guides on performing a span test using an external calibration weight.

Calibrating the Internal Weight

Explains how to calibrate the balance's internal weight mechanism.

Internal Weight Calibration Steps

Continues the procedure for calibrating the internal weight, including unloading and finishing.

Troubleshooting Calibration Errors

Lists error messages and their remedies during span adjustment and tests.

Entering Instrumental Weight Error

Guides on inputting the precise error of an external calibration weight for accurate adjustments.

Se-CAL Automatic Calibration Function

Explains the Se-CAL function for automatic calibration advice and execution.

Automatic Repeatability Measurement (ARM)

Details the ARM function for measuring repeatability using internal weight.

Semi-Automatic Repeatability Measurement (SARM)

Guides on performing SARM for repeatability measurement with external weights.

SARM Measurement Steps and Discontinuation

Continues SARM procedure and explains how to discontinue the measurement.

Easy RES Function for Response Speed

Explains how to adjust balance response speed for stability and faster readings.

Response Speed Settings and Limitations

Chapter 5: Setting the Functions

Improving Balance Stability

Stability Settings Methods and Limitations

α-Check: Display Test

α-Check: Key Test

α-Check: Motor Test

Chapter 6: External Device Communication

Chapter 7: Troubleshooting

Error Messages (o-Err, u-Err)

Lists and explains error messages 'o-Err' and 'u-Err' and their remedies.

Error Messages (1-Err to t-Err)

Details error messages related to calibration, static electricity, and addition operations.

Error Messages (E1-Err, E2-Err)

Explains error messages E1-Err (sensor input) and E2-Err (instability) and their solutions.

Common Operational Problems

Addresses issues like no display, flickering display, and incorrect weight readings.

Troubleshooting Communication and Reset Issues

Covers problems with communication settings, cable connections, and resetting the balance.

Initializing Balance Settings

Guides on resetting all balance settings to factory defaults, with a caution.

Shinko Denshi LF124R Specifications

General

Capacity	120 g
Readability	0.1 mg
Repeatability (σ)	0.1 mg
Linearity	±0.2 mg
Pan Size	ø 80 mm
Interface	RS-232C
Weighing Units	g, oz, ozt, dwt, ct, gn, tl
Power Supply	AC adapter