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Sartorius CPA225D Service Manual

Sartorius CPA225D
50 pages
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WCP5001-e07104
Service Manual
Sartorius Competence | Sartorius Gem
plus
CPA-, CP-, GC- und GP-Models
Electronic Semimicro-and Analytical Precision Balances and Precious Metal Scales
Including Service Specifi cations Sheets

Table of Contents

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Sartorius CPA225D Specifications

General IconGeneral
Maximum Capacity220 g
DisplayLCD
Weighing TechnologyElectromagnetic force compensation
InterfaceRS-232
Power Supply50/60 Hz
CalibrationInternal (motorized)

Summary

General Information

Fundamentals at a Glance

Provides a brief overview of Sartorius weighing instruments and recommends service training.

Service Concept for Balances

Details the service policy for CPA/CP/GC/GP balances, including quality defects and warranty.

General Notes

Covers important operational notes such as transport safety and battery replacement.

Models with Special Weighing Systems

Weighing Systems Overview

Categorizes balances/scales based on their weighing systems: strain gauge, double lever, monolithic.

Span Adjustment

Explains span adjustment methods, including external weights and built-in weights.

Menu Locking

Describes how to lock or unlock the balance/scale menu using codes or switches.

BPI Switch Function

Details the function of the BPI switch for service software communication.

Auxiliary Service Tools, Equipment and Weights

Service Tools and Equipment

Lists essential tools, software, and cables required for servicing Sartorius balances.

Accompanying Literature

References the operating instructions manual for Sartorius Competence/CP/CPA series.

Handling and Operating the CP Balances/Scales

Function of the Keys

Identifies and describes the function of each key on the balance control panel.

Displaying Hardware and Software Versions

Explains how to access and interpret the balance's hardware and software generation.

Function Service-Switch

Access Lock Switch

Locates and explains the function of the access lock switch for menu access.

Balance Operating Menu

Accessing and Setting the Operating Menu

Guides users on how to enter and navigate the balance's operating menu.

Selecting Menu Code Settings

Details the process of selecting and changing menu code settings using specific keys.

Changing and Storing Settings

Explains how to confirm and store new settings within the balance operating menu.

Menu Code Settings

Weighing Menu Codes

Lists menu codes related to weighing parameters like filter selection and stability range.

Application Program Menu Codes

Details menu codes for application programs such as counting and weighing in percent.

Application Parameter Menu Codes

Covers menu codes for application parameters like weight units and animal activity.

Calibration/Adjustment Function Menu Codes

Provides menu codes for calibration, adjustment, and linearization functions.

Function Service BPI Switch

Activating the BPI Mode

Step-by-step guide to activate the Binary Processor Interface mode for service software.

Testing and Adjustment Sequence on Balances/Scales with Strain Gauge Systems

Preparations for Testing

Instructions on preparing the balance/scale for testing, including leveling and warm-up.

Checking the Overload Stop

Procedure to check the overload stop, typically after replacing the strain gauge system.

Setting the Overload Stop

Guides on setting the overload stop screws for mechanical damage or load cell replacement.

Zero Point Offset Adjustment

Adapting A/D Converter with Digital Voltmeter

Method for adapting the A/D converter using a digital voltmeter and solder bridges.

Adapting A/D Converter with Service Software

Procedure to adapt the A/D converter using SARTOCAS or PSION service software.

Repeatability / Off-Center Loading

Checking Repeatability (Standard Deviation)

Method to check repeatability by calculating standard deviation from multiple weighings.

Checking and Adjusting Off-Center Loading Error

Explains how to check and adjust off-center loading errors affecting weighing system repeatability.

Checking Off-Center Loading Tolerances

Specifies the tolerances for off-center loading tests on various weighing pan types.

Procedure for Adjusting the Off-Center Loading Error (Strain Gauge)

Adjusting Front-Back Off-Center Error

Guides on adjusting off-center loading error by filing thin sites for front-back orientation.

Adjusting Back Off-Center Error

Details adjusting off-center loading error by filing thin sites for back orientation.

Procedure for Adjusting the Off-Center Loading Error (Strain Gauge)

Adjusting Right-Left Off-Center Error

Guides on adjusting off-center loading error by filing thin sites for right-left orientation.

Adjusting Left Off-Center Error

Details adjusting off-center loading error by filing thin sites for left orientation.

Span Adjustment

External Adjustment Procedure

Step-by-step guide for performing external span adjustment using calibrated weights.

Adjusting Linearity

Checking Linearity

Procedure to check balance linearity across its entire weighing range.

Adjusting Linearity

Explains how to adjust balance linearity using service software.

Testing and Adjustment Sequence on Balances/Scales with Double Lever Systems

Preparations for Testing

Instructions on preparing the balance/scale for testing, including leveling and warm-up.

Checking Repeatability (Standard Deviation)

Method to check repeatability by calculating standard deviation from multiple weighings.

Checking Off-Center Loading

Checking Off-Center Loading Tolerances

Specifies tolerances for off-center loading tests on various weighing pan types.

Adjusting Off-Center Loading Error

Guides on adjusting off-center loading error to meet specified tolerances.

Adjusting Off-Center Loading

Procedure for Adjusting Off-Center Loading Error (Double Lever System)

Details on adjusting off-center loading error by filing thin sites on the upper guide.

Span Adjustment

External Adjustment Procedure

Step-by-step guide for performing external span adjustment using calibrated weights.

Adjusting Linearity

Checking Linearity

Procedure to check balance linearity across its entire weighing range.

Adjusting Linearity

Explains how to adjust balance linearity using service software.

Balances/Scales with Monolithic Weighingsystems

Preparations for Testing

Instructions on preparing the balance/scale for testing, including leveling and warm-up.

Checking Repeatability (Standard Deviation)

Method to check repeatability by calculating standard deviation from multiple weighings.

Off-center loading error

Explains how to check and adjust off-center loading errors affecting weighing system repeatability.

Checking the Off-Center Loading

Checking Off-Center Loading Tolerances

Specifies tolerances for off-center loading tests on various weighing pan types.

Adjusting Off-Center Loading Error (Monolithic System)

Details on adjusting off-center loading error using a 3-point adjustment method.

Checking the Off-Center Loading

3-Point Adjustment Procedure

Step-by-step guide for adjusting off-center loading error using thumbscrews.

Span Adjustment

External Adjustment Procedure

Step-by-step guide for performing external span adjustment using calibrated weights.

Overwriting the Internal Calibration Weight

Procedure for overwriting the internal calibration weight using service software.

Overwriting the Internal Calibration Weight

Internal Span Adjustment

Procedure for performing internal span adjustment using the balance menu.

Linearity

Checking the Linearity

Procedure to check balance linearity across its entire weighing range.

Adjusting the Linearity

Explains how to adjust balance linearity using service software or manually.

Alternative Manual Procedure

Details a manual method for linearity adjustment via the balance operating menu.

Overwriting the Internal Linearization Weight

Internal Linearization Weight Procedure

Steps for overwriting the internal linearization weight using service software.

Balances/Scales with Forked Lever Systems

Checking Repeatability (Standard Deviation)

Method to check repeatability by calculating standard deviation from multiple weighings.

Off-center loading error

Explains how to check and adjust off-center loading errors affecting weighing system repeatability.

Checking the Off-Center Loading Tolerances

Off-Center Loading Error Adjustment

Guides on adjusting off-center loading error to meet specified tolerances.

Adjusting the Off-Center Loading Tolerances

Adjusting Off-Center Loading Error

Details on adjusting off-center loading error by filing thin sites on the upper guide.

Span Adjustment

External Adjustment Procedure

Step-by-step guide for performing external span adjustment using calibrated weights.

Linearity

Checking Linearity

Procedure to check balance linearity across its entire weighing range.

Adjusting Linearity

Explains how to adjust balance linearity using service software.

Error Messages

Error Code Explanations

Lists and explains various error codes that may appear on the balance display.

Remedial Measures for Errors

Provides troubleshooting steps and solutions for identified error codes.

Service Specifications

Reproducibility and Off-Center Load Specifications

Technical specifications for reproducibility and off-center load eccentricities of various models.

Span Accuracy and Linearity Specifications

Technical specifications for span accuracy and linearity for different balance models.

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