Campbell Scientific CS616 and CS625 Water Content Reflectometers - Manual (Page 5)

Table of Contents
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1. Introduction ................................................................. 1
2. Cautionary Statements ............................................... 1
3. Initial Inspection ......................................................... 1
4. Overview ...................................................................... 1
5. Specifications ............................................................. 2
5.1 Dimensions ........................................................................................... 3
5.2 Weight .................................................................................................. 3
5.3 Electrical Specifications ....................................................................... 3
5.4 Operational Details ............................................................................... 4
6. Installation ................................................................... 4
6.1 Orientation ........................................................................................... 4
6.2 Potential Problems with Improper Insertion ......................................... 4
6.3 Wiring .................................................................................................. 5
6.4 Datalogger Instructions and Programming ........................................... 6
6.4.1 Measuring the CS616 Using CRBasic .......................................... 6
6.4.1.1 CS616 Sample CRBasic Program 1 ................................... 7
6.4.1.2 CS616 Sample CRBasic Program 2 ................................... 9
6.4.2 Measuring CS625 Output Using CR200(X) PeriodAvg
Instruction ................................................................................ 10
6.4.3 Sample Programs for CS625 ....................................................... 11
6.4.3.1 CS625 Sample Program 1 ................................................ 11
6.4.3.2 CS625 Sample Program 2 ................................................ 12
6.4.4 Measuring CS616 Using Edlog ................................................... 13
6.4.4.1 Using Edlog Instruction 138 ............................................. 13
6.4.4.2 Using Edlog Instruction 27 (Period Averaging) ............... 14
6.4.5 Sample Edlog Programs for CS616 ............................................ 16
6.4.5.1 CS616 Sample Edlog Program 1 ...................................... 16
6.4.5.2 CS616 Sample Edlog Program 2 ...................................... 17
6.4.5.3 CS616 Sample Edlog Program 3 ...................................... 18
6.4.5.4 CS616 Sample Edlog Program 4 ...................................... 19
6.4.5.5 CS616 Sample Edlog Program 5 ...................................... 21
7. The Water Content Reflectometer Method for
Measuring Volumetric Water Content .................. 24
7.1 Description of Measurement Method ................................................. 24
7.2 Response Curves ................................................................................ 24
7.3 Calibration Equations ......................................................................... 27
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