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TABLE OF CONTENTS
1. Introduction .............................................................................................. 1
2. Operation ...................................................................................................2
2.1 Setup .........................................................................................................2
2.1.1 Sample Preparation ......................................................................... 3
2.1.2 Taking a Measurement ..................................................................... 4
3. System ......................................................................................................... 9
3.1 Specifications ............................................................................................9
3.2 PAWKIT Components................................................................................ 10
3.3 Theory ...................................................................................................... 11
3.3.1 Moisture Content ........................................................................... 11
3.3.2 Water Activity ................................................................................ 12
3.3.3 Water Potential .............................................................................. 15
3.3.4 Sorption Isotherms ........................................................................ 15
4. Service ....................................................................................................... 16
4.1 Verification and Calibration ..................................................................... 16
4.1.1 Verification Standards ................................................................... 16
4.1.2 Verify Calibration ........................................................................... 17
4.2 Maintenance ............................................................................................ 19
4.2.1 Cleaning ......................................................................................... 19
4.2.2 Filter Replacement ........................................................................21
4.2.3 Battery Replacement ..................................................................... 22
4.3 Repairs ....................................................................................................25
4.4 Troubleshooting ....................................................................................... 25
10366-03
6.12.2019