MPS-2 & MPS-6
CONTENTS
Contents
1
Introduction
1
1.1
Customer Support . . . . . . . . . . . . . . . . . . . .
1
1.2
Specifications . . . . . . . . . . . . . . . . . . . . . . .
2
1.3
Warranty Information . . . . . . . . . . . . . . . . . .
3
1.4
Seller’s Liability . . . . . . . . . . . . . . . . . . . . . .
3
2
About the MPS-2 & MPS-6
5
3
Theory
6
3.1
Water Potential Measurement . . . . . . . . . . . . . .
6
3.2
Temperature Measurement
. . . . . . . . . . . . . . .
7
4
Range and Accuracy
9
4.1
Measurement Range . . . . . . . . . . . . . . . . . . .
9
4.2
Measurement Accuracy
. . . . . . . . . . . . . . . . .
10
4.3
Calibration . . . . . . . . . . . . . . . . . . . . . . . .
12
4.4
Soil Type Dependence . . . . . . . . . . . . . . . . . .
13
4.5
Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . .
13
5
Connecting to a Logger
15
5.1
Connecting to Em50/Em50R/Em50G logger . . . . . .
15
5.2
Connecting to a Non-Decagon Logger
. . . . . . . . .
16
5.3
Using Non-Decagon Loggers . . . . . . . . . . . . . . .
18
5.4
Communication . . . . . . . . . . . . . . . . . . . . . .
18
5.5
Installing the Sensors . . . . . . . . . . . . . . . . . . .
20
5.6
Campbell Scientific Programs . . . . . . . . . . . . . .
21
6
Maintenance and Troubleshooting
22
6.1
MPS-2 & MPS-6 in Frozen Soils
. . . . . . . . . . . .
22
6.2
Troubleshooting . . . . . . . . . . . . . . . . . . . . . .
23
7
References
25
8
Declaration of Conformity
26
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