Instruction Manual

CNR2 Table of Contents
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1. General Description.....................................................1
2. Sensor Specifications .................................................1
2.1 CNR2 Specifications ................................................................................1
2.2 Pyranometer Specifications ......................................................................2
2.3 Pyrgeometer Specifications ......................................................................2
3. Installation....................................................................2
4. Using the CNR2 in the Two Separate Components
Mode (2SCM).............................................................5
4.1 Measuring Solar Radiation with the Pyranometers ..................................5
4.2 Measuring Far Infrared Radiation with the Pyrgeometers........................5
4.3 Calculation of the Net Solar Radiation.....................................................6
5. Wiring............................................................................6
6. Datalogger Programming............................................7
6.1 Calibration Factor.....................................................................................8
6.2 Example Programs....................................................................................8
6.2.1 Example Program for CR1000 Datalogger.....................................8
6.2.2 Example Program for CR10X Datalogger......................................9
7. Calibration..................................................................11
8. Maintenance...............................................................12
9. Typical Values............................................................13
Figures
2-1. The Dimensions of the CNR2 .................................................................2
3-1. Mounting According to Hemisphere.......................................................3
3-2. The CNR2 mounted to a pole (top) and crossarm (bottom) via
the 26120 Mounting Bracket Kit..........................................................4
5-1. Pin Layout on Campbell Scientific Black Cable.....................................6
5-2. Pin Layout on Kipp & Zonen Original Cable .........................................7
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