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Vapro 5520 User Manual

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VAPRO
®®
VAPOR PRESSURE OSMOMETER
MODEL 5520
USER’S MANUAL
M2468-4 rev B
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Vapro 5520 Specifications

General IconGeneral
BrandVapro
Model5520
CategoryMeasuring Instruments
LanguageEnglish

Summary

SECTION 1 INTRODUCTION

1.1 User's Manual Overview

Overview of the manual's purpose and how to use it for efficient operation and maintenance of the Vapro Osmometer.

1.2 Customer Service

Contact information and support details for Wescor, Inc., including phone, email, and website for assistance with the Vapro Osmometer.

1.3 Vapro System Description

Describes the Vapro osmometer's vapor pressure method, its advantages, and comparison to freezing point depression methods.

1.4 How the Vapro Works

Explains the measurement principle of the Vapro osmometer, detailing the role of the thermocouple hygrometer and dew point depression.

1.5 Controls and Features

Identifies and describes the function of the instrument's front panel controls, display, and rear panel ports and switches.

SECTION 2 GETTING STARTED

2.1 Instrument Setup Sequence

A step-by-step guide for initial setup, covering inspection of supplies, placement, power connection, and equilibration.

2.2 Vapro Accessories

Lists all accessories and supplies provided with the Vapro Osmometer, including consumables and optional items.

2.3 Setting Up the Osmometer

Detailed instructions for unpacking, placing, powering, and achieving thermal equilibration of the Vapro Osmometer.

2.4 Micropipettor Information

Information on the correct use of the micropipettor for sample aspiration, including sample volume considerations and avoiding contamination.

2.5 Using Optimol Osmolality Standards

Guidance on properly opening and using Optimol ampule standards for accurate calibration of the Vapro Osmometer.

2.6 Using Osmocoll HNL Serum Control

Instructions for using Osmocoll HNL serum control for quality assurance, including storage and preparation before use.

2.7 Changing the Voltage Selector

Step-by-step procedure to safely adjust the voltage selector on the Vapro Osmometer for different power sources.

2.8 Changing Fuses

Detailed instructions on how to access and replace the instrument's fuses, including necessary fuse specifications.

SECTION 3 OPERATING THE VAPRO OSMOMETER

3.1 Operation Overview

Explains the instrument's menus, modes (Normal, Average, Auto Repeat, Process Delay), and functions for sample analysis.

3.2 Loading Samples

Critical instructions and cautions for accurately loading samples into the osmometer, emphasizing sample volume and avoiding contamination.

3.3 Cleaning the Sample Holder

Procedures for cleaning the sample holder between measurements to prevent contamination and maintain accuracy.

3.4 Running the Clean Test

How to perform the Clean Test to assess thermocouple contamination and verify instrument cleanliness.

3.5 Calibrating

Step-by-step guide for calibrating the Vapro Osmometer using standard solutions to ensure measurement accuracy.

3.6 Standby or Waiting Periods

Guidelines for leaving the instrument in standby mode and recommendations for maintaining thermal stability.

3.7 Serial Data Output

Details on connecting the Vapro Osmometer to external devices for data transfer, including port configuration and output format.

SECTION 4 PREVENTIVE MAINTENANCE

4.1 Preventive Maintenance Overview

An overview of routine maintenance tasks for the Vapro Osmometer, focusing on the thermocouple head.

4.2 Removing the TC Head

Step-by-step instructions for safely removing the thermocouple (TC) head assembly from the Vapro Osmometer.

4.3 Cleaning the TC Head

Comprehensive instructions and materials needed for cleaning the thermocouple head to remove contaminants and ensure performance.

4.4 Reinstalling the TC Head

Procedures for correctly reinstalling the thermocouple (TC) head assembly after cleaning, ensuring proper calibration.

4.5 Equilibration After Cleaning

Explains the necessity of thermal equilibration after TC head reinstallation for accurate instrument calibration.

4.6 Severe or Stubborn Contamination

Methods for diagnosing and resolving persistent contamination issues with the thermocouple head, including advanced cleaning techniques.

SECTION 5 SOLVING PROBLEMS

5.1 Troubleshooting

A comprehensive guide to identifying and resolving common operational problems with the Vapro Osmometer, including a troubleshooting flowchart.

5.2 Common TC Head Problems

Discusses common issues with the thermocouple head, such as contamination, deformation, or connection problems, and their symptoms.

5.3 External Factors Affecting Precision

Identifies external factors like calibration standards, sampling technique, and environmental conditions that can impact measurement precision.

5.4 Deformed or Broken Thermocouple

Guidance on identifying and addressing issues with a deformed or broken thermocouple, including restoration and replacement.

APPENDIX A Instrument Specifications

Instrument Specifications

Detailed specifications for the Vapro Osmometer model 5520, covering sample volume, measurement range, and electrical properties.

APPENDIX B Accessories, Supplies, and Replacement Parts

Accessories, Supplies, and Replacement Parts

Lists of available accessories, consumables, replacement parts, and documentation for the Vapro Osmometer.

APPENDIX C Theory of Operation

Theory of Operation

Explanation of the scientific principles and measurement process behind the Vapro vapor pressure osmometry.

APPENDIX D Special Application Notes

Special Application Notes

Guidance on using the Vapro Osmometer for specific applications like small samples, viscous fluids, and clinical research.

APPENDIX E Osmolality Standards

Osmolality Standards

Explanation of Standard International (SI) units for osmolality and quality assurance of calibration solutions.

APPENDIX F Serial Data Output

Serial Data Output

Technical details and pin configuration for connecting the Vapro Osmometer to printers or computers via serial port.

APPENDIX G Setup Menu

Setup Menu

Instructions for changing language, measurement units, and running instrument self-tests via the setup menu.