METER GROUP WP4C - Page 4

CONTENTS WP4C
6.6 Taking a Reading . . . . . . . . . . . . . . . . . . . . . 25
6.7 How WP4C takes Readings . . . . . . . . . . . . . . . 25
7 Computer Interface 27
7.1 AquaLink 4 Software . . . . . . . . . . . . . . . . . . . 27
7.2 Using a Communication Program . . . . . . . . . . . . 28
8 Theory: Water Potential 30
8.1 Water Potential . . . . . . . . . . . . . . . . . . . . . . 30
8.2 Measuring Water Potential . . . . . . . . . . . . . . . 30
8.3 Effect of Temperature on Water Potential . . . . . . . 31
8.4 Estimating Osmotic Potential . . . . . . . . . . . . . . 32
9 Cleaning and Maintenance 33
9.1 Accessing the Block . . . . . . . . . . . . . . . . . . . 33
9.2 Cleaning Procedure . . . . . . . . . . . . . . . . . . . . 34
9.3 Checking Calibration . . . . . . . . . . . . . . . . . . . 37
10 Repair Instructions 38
10.1 Shipping Directions . . . . . . . . . . . . . . . . . . . . 38
10.2 Repair Costs . . . . . . . . . . . . . . . . . . . . . . . 39
10.3 Loaner Service . . . . . . . . . . . . . . . . . . . . . . 39
11 Troubleshooting 40
11.1 Problems and Solutions . . . . . . . . . . . . . . . . . 40
11.2 Sensor Performance Screen . . . . . . . . . . . . . . . 44
12 Further Reading 46
12.1 Application Notes . . . . . . . . . . . . . . . . . . . . 46
13 Appendix A 48
13.1 Preparing Salt Solutions . . . . . . . . . . . . . . . . . 48
14 Appendix B 49
15 Declaration of Conformity 50
16 Certificate of Traceability 51
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