Table of Contents
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1.
Introduction
.................................................................
1
2.
Cautionary Statements
...............................................
1
3.
Initial Inspection
.........................................................
1
4.
Quickstart
....................................................................
2
4.1
Installation/Removal
............................................................................
2
4.2
Use SCWin to Program Datalogger and Generate Wiring Diagram
....
3
4.2.1
257 SCWin Programming
.............................................................
3
4.2.2
253 SCWin Programming
.............................................................
7
5.
Overview
....................................................................
12
6.
Specifications
...........................................................
13
7.
Operation
...................................................................
14
7.1
Wiring
................................................................................................
14
7.1.1
257 Wiring
..................................................................................
14
7.1.2
253 Wiring
..................................................................................
14
7.2
Programming
......................................................................................
15
7.2.1
CRBasic Dataloggers
..................................................................
15
7.2.1.1
BRHalf Instruction
...........................................................
15
7.2.1.2
Resistance Calculation
.....................................................
16
7.2.2
Edlog Dataloggers
.......................................................................
16
7.2.2.1
Program Instruction 5
.......................................................
16
7.2.2.2
Program Instruction 59
.....................................................
16
7.2.3
Calculate Soil Water Potential
....................................................
17
7.2.3.1
Linear Relationship
..........................................................
17
7.2.3.2
Non-Linear Relationship
..................................................
18
7.2.3.3
Soil Water Matric Potential in Other Units
......................
19
7.3
Example Programs
.............................................................................
19
7.3.1
257 Program Examples
...............................................................
19
7.3.1.1
Program Example #1 — CR1000 with One 107 and
One 257
.........................................................................
19
7.3.1.2
Program Example #2 — CR10X with One 107 and
One 257
.........................................................................
20
7.3.2
253 Program Examples
...............................................................
22
7.3.2.1
Program Example #3 — Five 107 Temperature Probes
and Five 253’s on AM16/32 and CR1000
....................
22
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