HYPROP system
3/92
5.2.2.1
Properties 40
5.2.2.2
Configuration of a device
40
5.2.2.3
Configuration settings for HYPROP
42
5.2.3
Refilling window
44
5.2.4
Current readings
45
5.2.5
Stored readings
45
5.3
Add the scale
46
6
Perform a measuring campaign
48
6.1
Starting conditions
48
6.2
Measuring campaign window
50
6.3
Configure the campaign
51
6.4
Estimate the initial water content
54
6.5
Zero offset
55
6.6
Perform the measurement
56
6.6.1
Single unit mode and multiplex device mode
56
6.6.2
Start of a measuring campaign
56
6.6.3
Constant starting conditions
56
6.6.4
Start of a spontaneously measurement
57
6.6.5
Current status of the measurement
57
6.6.6
Measurements in the „Singel device mode“
58
6.6.6.1
Multiplexed devices mode
59
6.6.7
Interrupt a measuring campaign
60
6.6.8
End of a measuring campaign
61
6.6.9
Removal of the soil sample
61
6.6.10
Estimate the soil dry weight
61
6.7
Evaluation of readings
62
6.8
Calculation and Fitting
63
6.9
Export readings and calculations
64
6.10
Typical Results for different soio (after a data export)
66
Trouble shooting
67
8
Service and maintenance
69
8.1
Testing 69
8.2
Check the HYPROP
69
8.2.1
Calibration 69
8.2.2
Check the Offset
70
8.3
Cleaning 70
8.4
Storage 70
9
Theoretical basics
71
9.1
Evaporation method (overview)
71
9.2
Discrete data for retention and conductivity relation
71
9.3
Retention and conductivity functions
72
9.3.1
The van Genuchten/Mualem modell
73
9.3.2
The bimodal van Genuchten/Mualem Model
73
9.3.3
The Brooks and Corey Model
74
9.4
Optimization of the parameter
74
10
Additional notes
75