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Campbell Scientific CNR2 Radiometer User Manual

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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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