Instruction manual

Table of Contents
8.3.4.2 Insertion Error ................................................................. 22
8.3.5 Temperature Dependence and Correction .................................. 22
8.3.5.1 Accurate Soil Temperature Measurement ....................... 23
8.4 Water Content Reflectometer User-Calibration ................................ 23
8.4.1 Need for Soil Specific Calibration Equation .............................. 23
8.4.2 User-Derived Calibration Equation ............................................ 23
8.4.3 Collecting Laboratory Data for Calibration ............................... 24
8.4.4 Collecting Field Data for Calibration ......................................... 26
8.4.5 Calculations ................................................................................ 28
9. Maintenance and Troubleshooting .......................... 30
10. References ................................................................. 31
Appendices
A.
Importing Short Cut Code into a Program
Editor ..................................................................... A-1
B. Example Programs .................................................. B-1
B.1 CR1000 Programs ........................................................................... B-1
B.1.1 CR1000 with One CS650 Probe ............................................... B-1
B.1.2 CR1000 with Two CS650 Probes on Same Control Port ......... B-1
B.1.3 CR1000 with 12 CS650 Probes on Multiplexer ....................... B-2
B.2 CR200X with Three CS650 Probes ................................................. B-3
C. Discussion of Soil Water Content ......................... C-1
D. SDI-12 Sensor Support ........................................... D-1
D.1 SDI-12 Command Basics ................................................................ D-1
D.2 Changing the SDI-12 Address Using Terminal Emulator and a
Datalogger .................................................................................... D-3
D.2.1 SDI-12 Transparent Mode ........................................................ D-3
D.2.2 CR200(X) Series Datalogger Example .................................... D-4
D.2.3 CR1000 Datalogger Example ................................................... D-5
Figures
5-1. CS650 Water Content Reflectometer .................................................. 5
6-1. CS650 and CS655 average current drain ............................................. 8
7-1. CS650G Insertion Guide Tool ........................................................... 10
8-1. A200 Sensor-to-PC Interface ............................................................ 13
D-1. SDI-12 transparent mode on CR200(X)-series datalogger using
control port C1/SDI12 and changing SDI-12 address from 0
to 1 ............................................................................................... D-4
D-2. SDI-12 transparent mode on CR1000 datalogger using control
port 1 and changing SD1-12 address from 3 to 1 ......................... D-5
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