Sartorius Master Pro LA1200S User Manual

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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

Sartorius Master Pro LA1200S Specifications

General

Brand	Sartorius
Model	Master Pro LA1200S
Category	Scales
Language	English

Summary

Operating Sartorius Balances

Password Protection Levels

Balance SETUP Program

Balance INPUT Mode Operations

User and Service SETUP Program Overview

Sartorius Balance Service Switches

Activating BPI Mode / Deactivating Write Protection

Activating Sartorius Balance Service Mode

Service Mode Calibration and Adjustment

External Linearization Procedures

Manual Input of Linearization Weights

Step-by-step guide for entering specific linearization weights.

Performing External Linearization

Internal Span Adjustment

External Span Adjustment

External Span Adjustment with Manual Weight Input

External Span Adjustment with Stored Weight

Overwriting Internal Calibration Weight

Calibration with User-Defined Weight

Sartorius Balance reproTEST

Operating the Balance Interface

Sartorius Balance INPUT Mode

Servicing the Weighing Cell

Removing Display and Control Unit

Opening Weighing Cell (Small Systems)

Opening Weighing Cell (Large Systems)

Accessing the Main PCB

Opening the Display and Control Unit

Replacing the Built-in Calibration Weight

Balance Calibration and Adjustment

Calibration/Adjustment Sequence

Prerequisites for Calibration/Adjustment

Checking and Adjusting Preload

Checking Preload with Service Software

Steps to check preload using service software.

Adjusting Preload with Digital Voltmeter

Steps to adjust preload using a digital voltmeter.

Balance Adjustment Specifications

Adjusting the Preload

Sartorius Balance Reproducibility

Off-center Load Checks

Checking the Off-center Load

Steps to check off-center load at various positions.

Adjusting the Off-center Load

Off-center Load Adjustment (Small Systems)

Off-center load adjustment for small single-casting systems.

Off-center Load Adjustment (Brass System)

3-point adjustment for off-center load on brass systems.

Large Single-Casting Block System Adjustment

Checking Sartorius Balance Span Accuracy

Checking Span Accuracy Procedure

Steps to verify span accuracy using certified weights.

Sartorius Balance Linearity

Linearity Check (Low Resolution Balances)

Linearity Check (High Resolution Balances)

Repairing Sartorius Balances

Repairing the Weighing System

Repairing Electronic Components

Replacing Display and Control Unit PCB

Steps to replace the PCB in the display/control unit.

Replacing Display and Control Unit Components

Replacing the Balance PCB

PCB Replacement (Small/Brass Systems)

PCB Replacement (Large Systems)