
Table of Contents
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1. Introduction ................................................................. 1
2. Cautionary Statements ............................................... 1
3. Initial Inspection ......................................................... 1
4. Quickstart .................................................................... 1
5. Overview ...................................................................... 4
6. Specifications ............................................................. 4
7. Installation ................................................................... 6
7.1 Wiring to Datalogger ........................................................................... 6
7.2 Datalogger Programming ..................................................................... 7
7.2.1 Therm109() Instruction ................................................................. 7
7.3 Air Temperature Installation ................................................................ 8
7.4 Water Temperature Installation ............................................................ 9
7.5 Soil Temperature Installation ............................................................... 9
8. Operation ................................................................... 10
8.1 Sensor Schematic ............................................................................... 10
8.2 Measurement and Output Linearization ............................................. 10
8.3 Electrically Noisy Environments ....................................................... 11
8.4 Long Cable Lengths ........................................................................... 11
9. Troubleshooting and Maintenance ......................... 11
9.1 Troubleshooting ................................................................................. 11
9.2 Maintenance ....................................................................................... 12
9.3 Calibration.......................................................................................... 12
10. Attributions and References .................................... 12
Appendices
A.
Importing Short Cut Code Into CRBasic Editor ... A-1
B. Example Programs ................................................. B-1
C. Thermistor Resistance and Temperature ............. C-1
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