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AquaLab 4TE Series User Manual

AquaLab 4TE Series
116 pages
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AquaLab CONTENTS
Contents
1 Introduction 1
1.1 Customer Support . . . . . . . . . . . . . . . . . . . . 1
1.2 About This Manual . . . . . . . . . . . . . . . . . . . 1
1.3 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.4 Seller’s Liability . . . . . . . . . . . . . . . . . . . . . . 2
2 About AquaLab 3
2.1 AquaLab 4 Instrument Specifications . . . . . . . . . . 3
2.2 AquaLab 4 DUO Specifications . . . . . . . . . . . . . 4
2.3 AquaLab Model and Options . . . . . . . . . . . . . . 4
2.4 How AquaLab Works . . . . . . . . . . . . . . . . . . . 5
2.5 AquaLab and Temperature . . . . . . . . . . . . . . . 6
2.6 Chilled Mirror Dew Point Limitations . . . . . . . . . 7
3 Water Activity Theory 8
3.1 Moisture Content . . . . . . . . . . . . . . . . . . . . . 8
3.2 Water Activity . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Water Potential . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Sorption Isotherms . . . . . . . . . . . . . . . . . . . . 12
4 Getting Started 14
4.1 Components of your AquaLab . . . . . . . . . . . . . . 14
4.2 Choosing a Location . . . . . . . . . . . . . . . . . . . 14
4.3 Preparing AquaLab for Operation . . . . . . . . . . . 15
5 Menus 16
5.1 Measurement Tab . . . . . . . . . . . . . . . . . . . . 16
5.2 Configuration Tab . . . . . . . . . . . . . . . . . . . . 17
5.3 Admin Settings . . . . . . . . . . . . . . . . . . . . . . 22
5.4 Data Tab . . . . . . . . . . . . . . . . . . . . . . . . . 27
6 Cleaning and Maintenance 29
6.1 Cleaning the Block Sensors . . . . . . . . . . . . . . . 30
6.2 Cleaning a Series 4TEV . . . . . . . . . . . . . . . . . 31
6.3 Cleaning Procedure: . . . . . . . . . . . . . . . . . . . 31
6.4 Verification of Calibration . . . . . . . . . . . . . . . . 33
7 Verification and Calibration 34
iii

Table of Contents

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AquaLab 4TE Series Specifications

General IconGeneral
Accuracy±0.003 aw
Temperature Control15 to 50 °C
Measurement Time5 minutes
Measurement PrincipleChilled Mirror Dewpoint
Resolution0.0001 aw
Temperature Accuracy±0.1 °C
CommunicationUSB, RS-232
DisplayLCD
Measurement Range0.03 to 1.00 aw
Operating Temperature4-50 °C (39-122 °F)
Data Storage8000 readings
Power Supply50/60 Hz
Storage Temperature-20 to 50 °C

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