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VWR B2 Series User Manual

VWR B2 Series
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User Manual
VWR B2 SERIES BALANCES
R
ev B2-05

Table of Contents

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VWR B2 Series Specifications

General IconGeneral
DisplayLCD
InterfaceRS232
CalibrationExternal
Units of Measureg, oz, lb, ct
Power SupplyAC Adapter
Relative Humidity≤80% RH (non-condensing)

Summary

General Information

1.1. Intended Use

Defines the primary purpose and application of the balance under laboratory conditions.

1.2. Inappropriate Use

Lists prohibited uses and actions to avoid damage to the balance.

Unpacking and Installation

2.3. Place of Use and Assembly

Specifies ideal environmental conditions and placement for balance operation.

Balance Leveling and Powering

2.5. Balance Leveling

Explains the procedure to ensure the balance is level for accurate measurements.

2.6. Powering the Device

Guides on connecting the balance to the power supply safely.

Keyboard – Button Functions

Start-Up Procedures

4.1. Temperature Stabilization Period

Advises on the necessary waiting time for thermal stabilization before use.

Balance Operation – General Information

5.1. Balance Zeroing

Explains how to reset the balance to zero for accurate measurements.

5.2. Balance Taring

Describes the process of taring to determine net weight.

5.2.1. Manual Tare Determination

Details manual input of tare values.

Custom Unit and Working Modes Overview

Weighing Mode

Describes the basic operation of determining the weight of a load.

Parts Counting Mode

Explains how to count items based on the weight of a single part.

Deviations % (Percent Weighing) Mode

Details how to compare a sample's ratio against a standard.

Working Modes - Operation and Profiles

6.1. Running Working Mode

Guides on how to select and start a specific working mode.

Working Mode Profiles and Reading Settings

6.4. Working Mode Settings- Reading

Covers the setup of operating parameters for reading measurements.

6.4.1. Filter Level Setting

Explains how to adjust the filter level based on environmental conditions.

Reading Settings Continued

6.4.3. Autozero Function

Explains the automatic zeroing function and its behavior.

Reading Settings and Autotare

6.5. Working Mode Settings- Autotare

Explains the automatic taring function for sequential measurements.

Working Mode Settings- F Shortcut Keys

Calibration Procedures

Calibration Schedule and Conditions

Lists conditions requiring balance calibration.

Types of Calibration

Differentiates between external and user calibration methods.

7.1. Calibration Menu Settings

Details the calibration options available in the menu.

7.2. External Calibration

Provides steps for performing external calibration.

Calibration and Weighing Basics

7.2.1. External Calibration Procedure

Step-by-step guide for external calibration using a weight.

7.2.2. User Calibration

Explains user calibration using a manually entered weight value.

8. Weighing

Describes the weighing mode and best practices for accurate measurements.

Weighing Procedures

Weighing Procedure Recommendations

Recommendations for starting a weighing procedure.

Parts Counting Setup

9.1. Setting Reference Mass: Sample Determination

Details determining the reference mass for parts counting.

Parts Counting Reference Mass Entry

9.2. Setting Reference Mass: Entering Mass Value

Explains manually entering the reference mass value for parts counting.

Deviations Measurement Setup

10.1. Setting Reference Mass: Weighing Sample

Guides on weighing a sample to set the 100% reference.

10.2. Setting Reference Mass: Entering Value

Details manually entering the reference mass value for deviation checks.

Density of Solids Determination

Solids Density Procedure Steps

Density of Liquids Determination

Liquids Density Procedure Steps and Animal Weighing

Animal Weighing Setup

Communication and Device Connectivity

16.1. RS 232 Port Setting (COM)

Guides on configuring the RS232 communication port.

Device Connectivity Continued

Communication Protocol

19.1. List of Commands

Provides an overview and list of available communication commands.

Communication Protocol Commands Overview

Commands Overview and Response Types

Details command structure and response types.

Zero Balance Command

Explains the 'Z' command for zeroing the balance.

Tare Balance Command

Explains the 'T' command for taring the balance.

Measurement Result Commands

Send Stable Measurement Result (Basic Unit)

Explains the 'S' command to get stable results in the basic unit.

Immediately Send Measurement Result (Basic Unit)

Details the 'SI' command for immediate results in the basic unit.

Current Unit Measurement Commands

Send Stable Measurement Result (Current Unit)

Explains 'SU' command for stable results in the current unit.

Immediately Send Measurement Result (Current Unit)

Details 'SUI' command for immediate results in the current unit.

Transmission Control and Data Setting Commands

Working Mode and Unit Commands

Set Working Mode Command

Details 'OMS' command to set the balance's working mode.

System Information and Function Commands

Set Autozero Function Command

Details 'A' command to enable or disable the autozero function.

Filter, Value Release, and Digit Commands

Set Filter Command

Details 'FIS' command to set the filter level for measurement.

Appendix Details

Error Messages and Troubleshooting

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