Campbell Scientific TDR100 Time Domain Reflectometry Systems User Manual
Tdr100
Table of contents
Document Outline
- Revision and Copyright Information
- Warranty and Assistance
- Table of Contents
- TDR100
- 1. Introduction
- 2. System Specifications
- 3. Getting Started with TDR100 using PCTDR
- 4. PCTDR Software
- 5. System Components: Datalogger Control
- 6. Datalogger Instructions for TDR Measurements
- 6.1 CR800, CR850, CR1000, or CR3000 Datalogger Instruction “TDR100”
- 6.2 CR10X and CR23X Datalogger Instruction 119
- 6.3 Discussion of TDR Instruction Parameters (Instruction 119)
- 6.3.1 Parameter 1: SDM Address
- 6.3.2 Parameter 2: Output Option
- 6.3.3 Parameter 3: Multiplexer and Probe Selection
- 6.3.4 Parameter 4: Waveform Averaging
- 6.3.5 Parameter 5: Relative Propagation Velocity
- 6.3.6 Parameter 6: Points
- 6.3.7 Parameter 7: Cable Length (meters)
- 6.3.8 Parameter 8: Window Length (meters)
- 6.3.9 Parameter 9: Probe Length (meters)
- 6.3.10 Parameter 10: Probe Offset (meters)
- 6.3.11 Parameter 11: Input Location
- 6.3.12 Parameter 12: Multiplier
- 6.3.13 Parameter 13: Offset
- 7. TDR Principles
- 8. Cable Length and Soil Electrical Conductivity Effect on Water Content Determination
- 9. Algorithm Description and Parameter Adjustment
- 10. Programming Examples
- 10.1 CR1000 Program Example
- 10.2 CR10X/CR23X Program Examples
- Example 1, Measure and Record; Analog Measurements and Volumetric Water Content
- Example 2, Measure and Record; Analog Measurements, Volumetric Water Content, Electrical Conductivity, and Capture a Waveform
- Example 3, Measure and Record; Volumetric Water Content and Analog Measurements
- Example 4, Measure and Record; Analog Measurements and Volumetric Water Content
- Example 5, Trouble Shooting Program for SDMX50 Multiplexer, Datalogger Control Ports, and Analog Measurements
- 11. References
- Campbell Scientific Contact Information