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Campbell CS625 Manuals
Manuals and User Guides for Campbell CS625. We have
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Campbell CS625 manuals available for free PDF download: Instruction Manual, User Manual
Campbell CS625 Instruction Manual (54 pages)
Water Content Reflectometers
Brand:
Campbell
| Category:
Measuring Instruments
| Size: 0 MB
Table of Contents
Table of Contents
5
1 Introduction
9
2 Cautionary Statements
9
3 Initial Inspection
9
4 Overview
9
5 Sensors Specifications
10
Dimensions
11
Weight
11
Electrical Specifications
11
Operational Details
12
6 Installation
12
Orientation
12
Potential Problems with Improper Insertion
12
Wiring
13
CS616 Water Content Reflectometer
13
CS616/625 Wiring Code
13
Datalogger Instructions and Programming
14
Measuring the CS616 Using Crbasic
14
CS625 Water Content Reflectometer
14
CS616 Sample Crbasic Program 1
15
CS616 Sample Crbasic Program 2
17
Measuring CS625 Output Using CR200(X) Periodavg Instruction
19
Sample Programs for CS625
20
CS625 Sample Program 1
20
CS625 Sample Programs
20
CS625 Sample Program 2
21
Measuring CS616 Using Edlog
22
Using Edlog Instruction 138
22
Using Edlog Instruction 27 (Period Averaging)
23
Sample Edlog Programs for CS616
25
CS616 Sample Edlog Program 1
25
CS616 Sample Edlog Programs
25
CS616 Sample Edlog Program 2
26
CS616 Sample Edlog Program 3
28
CS616 Sample Edlog Program 4
29
CS616 Sample Edlog Program 5
31
7 The Water Content Reflectometer Method for Measuring Volumetric Water Content
34
Description of Measurement Method
34
Response Curves
34
CS616 and CS625 Linear and Quadratic Calibrations Derived from Loam Soil
35
CS616 and CS625 Response for Low EC Loam with Bulk Density 1.4 G
36
A Low EC Sandy Clay Loam with Bulk Density 1.6 G
36
G CM -3 1.6 G CM -3 1.6 G CM -3
36
Calibration Equations
37
Standard Calibration Coefficients for Linear and Quadratic Forms
37
Difference in % Volumetric Water Content between Linear and Quadratic Forms of Calibrations
38
Calibration Coefficients for Sandy Clay Loam with Bulk Density 1.6 G CM -3 and Electrical Conductivity at Saturation 0.4 Ds M -1 for both Linear and Quadratic Forms
38
Operating Range
39
Soil Electrical Conductivity
39
Soil Organic Matter, Clay Content and Soil Bulk Density
40
Error Sources in Water Content Reflectometer Measurement
40
Probe-To-Probe Variability Error
40
Insertion Error
40
Signal Attenuation Error
40
Temperature Dependence and Correction
41
8 Water Content Reflectometer User-Calibration
42
Signal Attenuation in Conductive Soils and Need for Site-Specific Calibration
42
Percent Volumetric Water Content Error Corrected for by Temperature Correction Equation
42
The User-Derived Calibration Equation
43
Collecting Laboratory Data for Calibration
43
Collecting Field Data for Calibration
46
Calculations
48
9 Maintenance
49
10 References
49
Appendix
51
Discussion of Soil Water Content
52
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Campbell CS625 Instruction Manual (46 pages)
Water Content Reflectometers
Brand:
Campbell
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
7
1 Introduction
9
2 Precautions
9
3 Initial Inspection
9
4 Quickstart
10
5 Overview
12
6 Specifications
12
Dimensions
13
Weight
13
Electrical Specifications
13
Operational Details
13
7 Installation
14
Orientation
14
Potential Problems with Improper Insertion
14
Wiring
15
Datalogger Programming
15
Water Content Reflectometer Wires
15
Datalogger/Reflectometer Wiring
15
CS616 Crbasic Programming
16
CS625 Crbasic Programming
16
8 Operation
17
Water Content Reflectometer Method for Measuring Volumetric Water Content
17
Response Curves
18
CS616 and CS625 Linear and Quadratic Calibrations Derived from Loam Soil
18
Calibration Equations
19
CS616 Response for Different Soil Types
19
Linear Versus Quadratic Calibration Differences
20
Standard Calibration Coefficients for Linear and Quadratic Forms
20
Operating Range
21
Soil Electrical Conductivity
21
Calibration Coefficients for Sandy Clay Loam with Bulk Density 1.6 G
21
For both Linear and Quadratic Forms
21
Soil Organic Matter, Clay Content, and Soil Bulk Density
22
Error Sources in Water Content Reflectometer Measurement
22
Probe-To-Probe Variability Error
22
Insertion Error
22
Signal Attenuation Error
23
Temperature Dependence and Correction
23
Water Content Reflectometer User-Calibration
24
Signal Attenuation in Conductive Soils and Need for Site-Specific Calibration
24
Percent Volumetric Water Content Error Adjusted with Temperature Correction Equation
24
User-Derived Calibration Equation
25
Collecting Laboratory Data for Calibration
25
Collecting Field Data for Calibration
28
Calculations
30
9 Maintenance
31
10 References
31
Discussion of Soil Water Content
34
Importing Short Cut Code into Crbasic Editor
35
Example Programs
37
CS616 Programs
37
CR1000 Program for Measuring Eight CS616 Probes
37
Datalogger Connection for Eight Cs616S Example Program
37
Cr1000/Multiplexer Program for Measuring 48 CS616 Probes
39
CS625 Programs
41
CR200(X) Program for Measuring Four CS625 Probes
41
C-3. CR200(X) Program for Measuring Four CS625 Probes
41
CR200(X) Program with Temperature Correction
42
CS625 Wiring for CR200X Program with Temperature Correction
42
C-4. CR200(X) Program with Temperature Correction
43
Campbell CS625 User Manual (44 pages)
Water Content Reflectometers
Brand:
Campbell
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
About this Manual
5
Table of Contents
7
1 Introduction
9
2 Cautionary Statements
9
3 Initial Inspection
9
4 Quickstart
10
5 Overview
12
6 Specifications
13
Dimensions
13
Weight
13
Electrical Specifications
14
Operational Details
14
7 Installation
15
Orientation
15
Potential Problems with Improper Insertion
15
Wiring
15
Datalogger/Reflectometer Wiring
15
Datalogger Programming
16
CS616 Crbasic Programming
16
Water Content Reflectometer Wires
16
CS625 Crbasic Programming
17
8 Operation
18
Water Content Reflectometer Method for Measuring Volumetric Water Content
18
Response Curves
18
CS616 and CS625 Linear and Quadratic Calibrations Derived from Loam Soil
19
Calibration Equations
20
CS616 Response for Different Soil Types
20
Linear Versus Quadratic Calibration Differences
21
Standard Calibration Coefficients for Linear and Quadratic Forms
21
Operating Range
22
Soil Electrical Conductivity
22
Calibration Coefficients for Sandy Clay Loam with Bulk Density 1.6 G
22
And Electrical Conductivity at Saturation 0.4 Ds
22
For both Linear and Quadratic Forms
22
And Electrical Conductivity at Saturation 0.75 Ds
22
Soil Organic Matter, Clay Content, and Soil Bulk Density
23
Error Sources in Water Content Reflectometer Measurement
23
Probe-To-Probe Variability Error
23
Insertion Error
23
Signal Attenuation Error
24
Temperature Dependence and Correction
24
Water Content Reflectometer User-Calibration
25
Signal Attenuation in Conductive Soils and Need for Site-Specific Calibration
25
Percent Volumetric Water Content Error Adjusted with Temperature Correction Equation
25
User-Derived Calibration Equation
26
Collecting Laboratory Data for Calibration
26
Collecting Field Data for Calibration
29
Calculations
31
10 References
31
9 Maintenance
31
Importing Short Cut Code
35
Example Programs
37
CS616 Programs
37
CR1000 Program for Measuring Eight CS616 Probes
37
Cr1000/Multiplexer Program for Measuring 48 CS616
39
Probes
39
CS625 Programs
41
CR200(X) Program for Measuring Four CS625 Probes
41
C.2 CS625 Programs
41
CR200(X) Program with Temperature Correction
42
CS625 Wiring for CR200X Program with Temperature
42
Correction
42
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