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Sartorius Master Pro LA620S User Manual

Sartorius Master Pro LA620S
64 pages
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DIN EN ISO 9001
Sartorius AG, Weighing Technology
Sartorius AG, Weighing Technology
Sartorius Master
pro
Serie
Electronic Precision Balances
Service Manual
for LP / LA Models

Table of Contents

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Sartorius Master Pro LA620S Specifications

General IconGeneral
Maximum Capacity620 g
Readability0.001 g
CalibrationExternal
DisplayLCD
Power Supply100 – 240 V, 50/60 Hz
Linearity±0.002 g
InterfaceRS232
Repeatability0.001 g
Stabilization time (typical)2 seconds
Operating Temperature+10°C to +40°C

Summary

General Information

Repairs

Information about performing repairs on Sartorius Masterpro balances and warranty implications.

Service Switches and Modes

Service Switches

Location and function of the balance's service and BPI switches.

Activating the BPI Mode / Deactivating the Write Protection

Steps to enable BPI mode for calibration or PCB replacement.

Service Mode Operations

External Linearization Procedures

Executing External Linearization

Performing External Linearization

Step-by-step guide to perform external linearization.

Span Adjustment Procedures

Internal Span Adjustment

Performing internal span adjustment using the built-in weight.

External Span Adjustment

Methods for external span adjustment.

External Span Adjustment with Manual Input of Weight Values

Entering specific weights for span adjustment.

Advanced Span and Calibration Adjustments

Balance Testing and Resolution

Service Mode Calibration and Adjustment

Activating the Service Mode

Enabling the service mode for advanced functions.

Calibration/Adjustment in the Service Mode

Detailed list of calibration and adjustment options in service mode.

External Linearization with Manual Weight Input

Manual Input of the Linearization Weights

Entering specific weights for external linearization.

Advanced Span and Internal Calibration

External Span Adjustment with Stored Weight

Performing external span adjustment with stored weights.

Overwriting the Internal Calibration Weight

Replacing the balance's internal calibration weight value.

User Calibration and Testing

Calibration with a User-defined Weight

Calibrating the balance using custom weights.

reproTEST

Testing the reproducibility of the built-in calibration weight.

Weighing Cell Servicing

Removing the Display and Control Unit from the Weighing Cell

Procedure to detach the display and control unit.

Opening the Weighing Cell (Small Single-Casting Block System, Brass System)

Accessing components in small single-casting or brass systems.

Opening the Weighing Cell (Large Single-Casting Block System)

Accessing components in large single-casting block systems.

Component Access and Replacement

Calibration and Adjustment Procedures

Preload Checks and Adjustments

Checking the Preload

Methods to check preload using software or voltmeter.

Preload Adjustment Details

Adjusting the Preload

How to change preload weights on different balance systems.

Balance Performance Checks

Off-center Load Adjustments

Large Single-Casting Block System Adjustment

Span Accuracy Verification

Checking the Span Accuracy

Procedure for checking span accuracy using certified weights.

Linearity Checks

Checking the Linearity

Procedures for checking linearity based on balance resolution.

Linearity Checks for High Resolution Balances

Balance Repair Procedures

Balance Component Replacement

PCB Replacement by Balance Type

Interface and Connectivity

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