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METER GROUP AquaLab 4TEV DUO - User Manual

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AQUALAB
®
SERIES 4

Table of Contents

Questions and Answers

  • T
    Thomas JohnsonSep 12, 2025
    What does 'Crystal Failure. See Manual for options.' error mean on METER GROUP AquaLab 4TEV DUO?
    • J
      John WatsonSep 12, 2025
      The 'Crystal Failure' error message on your METER GROUP Measuring Instruments indicates that the crystal which runs the firmware is having trouble starting. Try cycling the power. If the message persists, the instrument requires servicing by METER.
  • E
    Edward LopezSep 13, 2025
    What does 'Dew point sensor failure' error mean on METER GROUP AquaLab 4TEV DUO?
    • E
      Elizabeth Woods DVMSep 13, 2025
      The 'Dew point sensor failure' error message on your METER GROUP Measuring Instruments means the cooler is damaged and needs to be serviced by METER.
  • J
    James EvansSep 15, 2025
    What does 'Firmware is corrupted. See Manual for options.' error mean on METER GROUP AquaLab 4TEV DUO Measuring Instruments?
    • A
      Amanda ShawSep 15, 2025
      The 'Firmware is corrupted' error message on your METER GROUP Measuring Instruments means the firmware is corrupted and needs to be reloaded. To download new firmware to the AQUALAB 4 models, the instrument must be serviced by METER.

Summary

2. Operation

2.1 Installation

Provides steps for setting up the AQUALAB instrument.

Installation Preparation

Details the preparation steps for AQUALAB installation.

Instrument Setup

2.2 Sample Preparation

2.2.1 Sample Composition

Discusses sample composition and its effect on reading times.

2.2.1.3 Volatile Samples

2.2.2 Sample Temperature

2.3 Taking a Reading

2.4 Viewing Data

2.5 Using Moisture Content (AQUALAB DUO Only)

2.5.2 Loading and Organizing Product Isotherm Models

Guides on loading and managing isotherm models via software.

2.5.3 Measuring Moisture Content

2.5.4 Moisture Content Model Offset

2.5.5 Restore Moisture Content Default Settings

3.1 Specifications

3.2 Components

3.2.2 Sample Chamber

3.2.4.1 Measurement Tab

3.2.4.2 Configuration Tab

Configuration Tab Options

Calibration

Select to start the calibration process.

Temperature

Temp Eq

Sensor (AQUALAB 4 TEV only)

Mode

Choose measurement mode: Single, Continuous, Custom, Low-Emitting.

Admin Settings

Diagnostics

View sensor information and status.

3.2.4.3 Data Tab

View Data

3.3 Computer Interface

3.3.1 AquaLink 4 Software

3.3.2 Using a Terminal Program

3.4.1 Moisture Content

3.4.2 Water Activity

3.4.2.1 Temperature Effects

4. Service

4.1 Verification and Calibration

4.1.1 Water Activity Verification

Procedures for verifying water activity calibration.

4.1.1.1 Verification Standards

Lists unsaturated salt solutions used for verification.

4.1.2 Linear Offset

4.1.3 Multipoint Calibration (TEV Only)

4.1.4 Restore Factory Defaults

4.2 Cleaning

4.2.3 Cleaning Procedure

Step-by-step instructions for cleaning the instrument.

4.4 Repair

4.5 Troubleshooting

4.6 Customer Support

METER GROUP AquaLab 4TEV DUO Specifications

General IconGeneral
ModelAquaLab 4TEV DUO
Measurement TypeWater Activity and Moisture Content
Water Activity Accuracy±0.003 aw
Water Activity Resolution0.001 aw
Temperature Accuracy±0.2 °C
DisplayLCD
ConnectivityUSB
Water Activity Range0.00 to 1.00 aw
Moisture Content Range0 to 100%
Moisture Content Accuracy±0.5%
Temperature Range15°C to 50°C
Measurement TimeLess than 5 minutes
Operating Temperature15°C to 50°C
Power SupplyAC adapter
Power Requirements100-240V, 50/60Hz

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