CONTENTS AquaLab
7 Verification and Calibration 36
7.1 Water Activity Verification . . . . . . . . . . . . . . . 36
7.2 Verification of Calibration . . . . . . . . . . . . . . . . 37
7.3 Multi-Point Calibration . . . . . . . . . . . . . . . . . 43
7.4 How to Restore Factory Defaults . . . . . . . . . . . . 47
8 Sample Preparation 49
8.1 Preparing the Sample . . . . . . . . . . . . . . . . . . 49
8.2 Samples Needing Special Preparation . . . . . . . . . . 50
8.3 Slow Water-Emitting Samples . . . . . . . . . . . . . . 51
8.4 Volatile Samples . . . . . . . . . . . . . . . . . . . . . 51
8.5 Low Water Activity . . . . . . . . . . . . . . . . . . . 52
8.6 Samples Not at Room Temperature . . . . . . . . . . . 52
9 Taking a Reading 54
9.1 Measurement Steps . . . . . . . . . . . . . . . . . . . . 54
9.2 How AquaLab Takes Readings . . . . . . . . . . . . . 54
10 DUO Operation (Optional) 57
10.1 Obtaining Product Isotherm Models . . . . . . . . . . 58
10.2 Loading and Organizing Product Models . . . . . . . . 58
10.3 Measuring Moisture Content . . . . . . . . . . . . . . 59
10.4 Moisture Content Adjustment . . . . . . . . . . . . . . 62
10.5 How to Adjust for Linear Offset or Create a New
Model Based Off an Old Model . . . . . . . . . . . . . 62
10.6 Restore Moisture Content Settings . . . . . . . . . . . 65
10.7 How to Delete Models . . . . . . . . . . . . . . . . . . 67
11 Computer Interface 69
11.1 AquaLink 4 Software . . . . . . . . . . . . . . . . . . . 69
11.2 AquaLink 4 Part 11 Compatible Software . . . . . . . 70
11.3 Using a Communication Program . . . . . . . . . . . . 70
12 Troubleshooting 72
13 Support and Repair 82
13.1 Repair Costs . . . . . . . . . . . . . . . . . . . . . . . 83
13.2 Loaner Service . . . . . . . . . . . . . . . . . . . . . . 83
14 Further Reading 84
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