User manual
Table Of Contents
- 1 FOREWORD
- 2 INTRODUCTION
- 3 PRINCIPLE OF OPERATION
- OPTIONS AND SPECIFICATION
- INSTALLATION REQUIREMENTS
- INSTALLATION
- 7 MECHANICAL
- 8 OUTPUT FORMATS
- 9 ANALOGUE OUTPUTS AND OPTIONS
- 10 METPAK SDI-12
- 11 MAINTENANCE & FAULT-FINDING
- 12 TESTS
- 13 APPENDICES
- CS215_jun06.pdf

Contents
1. Introduction ........................................................................1
2. Specifications.....................................................................1
3. Installation ..........................................................................2
4. Wiring ..................................................................................3
4.1 Long Cables....................................................................................................... 3
4.2 Power Conservation........................................................................................... 4
5. Reading the Sensor............................................................4
5.1 Measurements at Slow Scan Rates..................................................................... 5
5.1.1 Example Program for CR10X Measuring Two Sensors Every Minute ... 5
5.1.2 Example CRBasic Program Measuring One Sensor Every 30 Seconds .. 7
5.2 Measurements at Fast Scan Rates...................................................................... 7
5.2.1 Edlog Dataloggers.................................................................................... 7
5.2.2 CRBasic Dataloggers ............................................................................... 8
6. Changing the SDI-12 Address Using LoggerNet and a
Datalogger ..........................................................................9
6.1 Array-Based “Edlog” Dataloggers.................................................................... 9
6.2 Table-Based “Edlog” Dataloggers.................................................................. 10
6.3 CR200 Series Datalogger................................................................................ 12
6.4 CR1000 Datalogger........................................................................................ 13
7. Maintenance and Calibration ..........................................13
7.1 Sensor Element Replacement........................................................................... 13
Appendix A. Environmental Performance ...................... A-1
A.1 Tests to Defined Standards .......................................................................... A-1
A.2 Exposure to Pollutants ................................................................................. A-1
A.3 Operating Range of RH Element ................................................................. A-1
Appendix B. Sensor Element Calibration ....................... B-1
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