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Sartorius Master Pro LA4200S User Manual

Sartorius Master Pro LA4200S
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 LA4200S Specifications

General IconGeneral
Maximum Capacity4200 g
Readability0.01 g
CalibrationExternal
DisplayLCD
Linearity± 0.02 g
Power SupplyAC Adapter
InterfaceRS-232
Operating Temperature10°C to 30°C
Repeatability±0.01 g

Summary

General Information

Operating the Balance

Balance Modes: SETUP and INFO

INPUT Mode for Data Entry

Balance Operating Menu Navigation

SETUP Program Structure Overview

User and Service Access Paths

Diagram illustrating user and service access paths within the SETUP program.

Service Switches and Modes

Access Switch and BPI Mode Activation

Location and function of access switch; activating BPI mode.

Service Mode Activation and Calibration

Calibration/Adjustment Options in Service Mode

Lists available adjustment options within the service mode.

External Linearization with Manual Weight Input

Manual Input of Linearization Weights

Programming balance with custom weights for linearization.

Performing External Linearization

External Linearization Routine Execution

Executing external linearization using user-defined weights.

Span Adjustment Procedures

Internal Span Adjustment

Steps for internal span adjustment using the built-in calibration weight.

Internal Span Adjustment Procedure

Performing internal span adjustment with built-in calibration weight.

External Span Adjustment with Manual Weight Input

Inputting calibration weights for span adjustment.

Advanced Span Adjustment and Calibration

Special Balance Tests and Modes

Detailed Balance Operation

Balance Modes and Settings

Detailed INPUT Mode Usage

Balance Operating Menu Code Navigation

Service Mode and Calibration Procedures

Activating the Service Mode

Procedure to enable expanded calibration and adjustment functions.

Calibration/Adjustment in Service Mode

Overview of adjustment options available in service mode.

Advanced Span Adjustment and Calibration Overwriting

External Span Adjustment with Stored Weight

Span adjustment using pre-defined weights.

Overwriting Internal Calibration Weight

How to overwrite internal calibration weight after service.

User Calibration and Special Tests

Calibration with User-defined Weight

Calibrating balance using user-defined weights.

Weighing Cell Service Procedures

Removing Display and Control Unit

Step-by-step guide to remove the display and control unit.

Opening Weighing Cell (Small/Brass Systems)

Procedure to open weighing cell for small/brass systems.

Opening Weighing Cell (Large System)

Procedure to open weighing cell for large single-casting systems.

Accessing PCBs and Replacing Calibration Weight

Accessing the Main PCB

Steps to access the main printed circuit board.

Opening the Display and Control Unit

Instructions for opening the display and control unit.

Replacing the Built-in Calibration Weight

Procedure for replacing the internal calibration weight.

Calibration and Adjustment Prerequisites

Preload Check and Adjustment

Preload Check Procedures

Methods for checking the preload value.

Adjusting the Preload (Detailed Steps)

Reproducibility and Off-center Load Checks

Off-center Load Adjustment (Small/Brass Systems)

Off-center Load Adjustment (Large Single-Casting Block System)

Span Accuracy Checking

Linearity Check (Balances < 1,000,000 Digits)

Linearity Check (Balances > 1,000,000 Digits & PolyRange)

Balance Repair - Electronics

Replacing PCB in Display and Control Unit

Procedure to replace the PCB in the display and control unit.

Balance Repair - PCB and Display Unit

Replacing Display Unit, Backlighting, Keypad Overlay

Steps to replace display unit, backlighting, and keypad overlay.

Replacing the Balance PCB

Procedure for replacing the balance PCB.

Balance PCB Replacement by System Type

PCB Replacement in Small/Brass Systems

Replacing PCB in small/brass systems.

PCB Replacement in Large Systems

Replacing PCB in large single-casting block systems.

RS-232 Interface Pin Assignments

Balance Operating Menu Codes (LP Model)

Balance Operating Menu Codes (LP - Continued)

Balance Operating Menu Codes (Extra Functions & Reset)

Balance Operating Menu Codes (LA Model)

Balance Operating Menu Codes (LA - Continued)

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