CONTENTS AquaLab
7.1 Water Activity Verification . . . . . . . . . . . . . . . 34
7.2 Verification of Calibration . . . . . . . . . . . . . . . . 35
8 Sample Preparation 42
8.1 Preparing the Sample . . . . . . . . . . . . . . . . . . 42
8.2 Samples Needing Special Preparation . . . . . . . . . . 43
8.3 Slow Water-Emitting Samples . . . . . . . . . . . . . . 44
8.4 Volatile Samples . . . . . . . . . . . . . . . . . . . . . 44
8.5 Low Water Activity . . . . . . . . . . . . . . . . . . . 45
8.6 Samples Not at Room Temperature . . . . . . . . . . . 45
9 Taking a Reading 47
9.1 Measurement Steps . . . . . . . . . . . . . . . . . . . . 47
9.2 How AquaLab Takes Readings . . . . . . . . . . . . . 47
10 DUO Operation (Optional) 50
10.1 Obtaining Product Isotherm Models . . . . . . . . . . 51
10.2 Loading and Organizing Product Models . . . . . . . . 51
10.3 Measuring Moisture Content . . . . . . . . . . . . . . 52
10.4 Moisture Content Adjustment . . . . . . . . . . . . . . 54
10.5 How to Adjust for Linear Offset or Create a New
Model Based Off an Old Model . . . . . . . . . . . . . 55
10.6 Restore Moisture Content Settings . . . . . . . . . . . 58
10.7 How to Delete Models . . . . . . . . . . . . . . . . . . 60
11 Computer Interface 62
11.1 AquaLink 4 Software . . . . . . . . . . . . . . . . . . . 62
11.2 AquaLink 4 Part 11 Compatible Software . . . . . . . 63
11.3 Using a Communication Program . . . . . . . . . . . . 63
12 Troubleshooting 65
13 Support and Repair 76
13.1 Repair Costs . . . . . . . . . . . . . . . . . . . . . . . 77
13.2 Loaner Service . . . . . . . . . . . . . . . . . . . . . . 77
14 Further Reading 78
14.1 Water Activity Theory & Measurement . . . . . . . . 78
15 Appendix A 100
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