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Campbell CNR1 Instruction Manual

Net radiometer
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CNR1 Net Radiometer
July 2013
Copyright © 2008 - 2013
Campbell Scientific (Canada)Corp.

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Summary of Contents for Campbell CNR1

  • Page 1 CNR1 Net Radiometer July 2013 Copyright © 2008 - 2013 Campbell Scientific (Canada)Corp.

  • Page 3: About This Manual

    PLEASE READ FIRST About this manual Please note that this manual was originally produced by Campbell Scientific Inc. (CSI) primarily for the US market. Some spellings, weights and measures may reflect this origin. Some useful conversion factors: Area: 1 in...

  • Page 4: Table Of Contents

    CNR1 Table of Contents 1. General Description ............. 1 2. Sensor Specifications ..........1 3. Installation ..............3 4. Using the CNR1 in the Four Separate Components Mode (4SCM) ........5 5. Wiring ................7 6. Datalogger Programming .......... 10 (no 4WPB100) 7.
  • Page 5 CNR1 Table of Contents Figures Tables...

  • Page 6: General Description

    CNR1 Net Radiometer 1. General Description 2. Sensor Specifications 2.1 CNR1 Specifications ±...
  • Page 7 CNR1 Net Radiometer ± FIGURE 2-1. The Dimensions of the CNR1 2.2 CM3 Specifications...
  • Page 8 CNR1 Net Radiometer ± 2.3 CG3 Specifications ±...

  • Page 9: Installation

    CNR1 Net Radiometer 3. Installation NOTE...

  • Page 10: Using The Cnr1 In The Four Separate

    CNR1 Net Radiometer FIGURE 3-1. CNR1 Mounting Options 4. Using the CNR1 in the Four Separate Components Mode (4SCM) 4.1 Measuring Solar Radiation with the CM3...
  • Page 11 CNR1 Net Radiometer 4.2 Measuring Far Infrared Radiation with the CG3 ⋅ ∗ 4.3 Measuring the CNR1’s Temperature with the Pt-100...
  • Page 12 CNR1 Net Radiometer 4.4 Calculation of the Albedo for Solar Radiation 4.5 Calculation of the Net Solar Radiation (Net Short-Wave)
  • Page 13 CNR1 Net Radiometer 4.6 Calculation of the Net Infrared Radiation (Net Long-Wave) ⎡ ⎤ E upper CG3 Sky temperature ⎢ ⎥ − ⋅ ⎣ ⎦ 5 67 10 ⎡ ⎤ E lower CG3 Ground Temperature ⎢ ⎥ − ⎣ ⋅...

  • Page 14: Wiring

    CNR1 Net Radiometer 5. Wiring FIGURE 5-1. CNR1 Schematic...
  • Page 15 CNR1 Net Radiometer FIGURE 5-2. Interfacing the Pt-100 Using the 4WPB100 Module † ’ †...

  • Page 16: Datalogger Programming

    CNR1 Net Radiometer 6. Datalogger Programming ±...
  • Page 17 CNR1 Net Radiometer NOTE FIGURE 6-1. 4WPB100 Module 6.1 Calibration Factor 6.2 Example Programs 6.2.1 Example 1, CR23X Program Using Differential Channels...
  • Page 18 CNR1 Net Radiometer...
  • Page 19 CNR1 Net Radiometer...
  • Page 20 CNR1 Net Radiometer...
  • Page 21 CNR1 Net Radiometer...
  • Page 22 CNR1 Net Radiometer ⋅ ∗ ⋅ ∗...
  • Page 23 CNR1 Net Radiometer 6.2.2 Example 2, CR23X Program Using Single-Ended Channels...
  • Page 24 CNR1 Net Radiometer...
  • Page 25 CNR1 Net Radiometer...
  • Page 26 CNR1 Net Radiometer 6.2.3 Example 3, CR1000 Using Differential Channels...
  • Page 27 CNR1 Net Radiometer...
  • Page 28 CNR1 Net Radiometer...
  • Page 29 CNR1 Net Radiometer 'CNR1 Net Radiometer measurements CM3Up, CM3Dn, CG3Up, CG3Dn, CNR1TC, CNR1TK, 6.2.4 Example 4, CR5000 Using Differential Channels (no 4WPB100)
  • Page 30 CNR1 Net Radiometer...
  • Page 31 CNR1 Net Radiometer...

  • Page 32: Calibration

    CNR1 Net Radiometer 7. Calibration 8. Troubleshooting 8.1 Testing the CM3...
  • Page 33 CNR1 Net Radiometer 8.2 Testing of the CG3 8.3 Testing the Pt-100...
  • Page 34 CNR1 Net Radiometer This is a blank page.

  • Page 35: Different Conditions

    Appendix A. CNR1 Performance and Measurements under Different Conditions...
  • Page 36 Appendix A. CNR1 Performance and Measurements under Different Conditions...

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