Campbell Scientific AVW1 and AVW4 Interfaces for Vibrating Wire Sensors User Manual
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TABLE OF CONTENTS
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WARRANTY AND ASSISTANCE
1. GENERAL INFORMATION
1.1 Sensor Selection ..............................................................................................................................1-1
1.2 Sensor Care and Installation ............................................................................................................1-1
2. TEMPERATURE MEASUREMENT
2.1 General.............................................................................................................................................2-1
2.2 Accuracy and Resolution..................................................................................................................2-1
2.3 Programming and Sensor Hook-up..................................................................................................2-6
3. VIBRATING WIRE MEASUREMENT
3.1 General.............................................................................................................................................3-1
3.2 Multiplier and Offset..........................................................................................................................3-1
3.3 Swept Frequency, Start and End......................................................................................................3-2
3.4 Resolution vs. "# of cycles" ..............................................................................................................3-3
3.5 Temperature Correction ...................................................................................................................3-3
3.6 Delay Between Measurements.........................................................................................................3-4
4. THE AVW1
4.1 General.............................................................................................................................................4-1
4.2 Sensor Hook Up ...............................................................................................................................4-1
4.3 Well Monitoring Example..................................................................................................................4-1
5. THE AVW4
5.1 General.............................................................................................................................................5-1
5.2 Sensor Hook Up ...............................................................................................................................5-2
5.3 Datalogger Programming .................................................................................................................5-2
6. THE AVW1 AND A MULTIPLEXER
Not yet available
APPENDIX A. PRESSURE CONVERSION CHART ............................................... A-1
APPENDIX B. SCHEMATICS AND STUFFING CHARTS ...................................... B-1
APPENDIX C. THEORY AND ADDITIONAL DETAILS
C.1 Swept Frequency Theory................................................................................................................ C-1
C.2 Additional Theory on Multiplier and Offset ...................................................................................... C-1