Campbell NR01, Instruction Manual

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Table of Contents
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1. Introduction ................................................................. 1
2. Precautions ................................................................. 1
3. Initial Inspection ......................................................... 1
4. Overview ...................................................................... 2
5. Specifications ............................................................. 3
6. Installation ................................................................... 7
6.1 NR01 Construction .............................................................................. 7
6.2 Mounting .............................................................................................. 7
6.3 Datalogger Wiring................................................................................ 8
6.3.1 Using a 4WPB100 ........................................................................ 9
6.3.2 Using the Datalogger’s Current Excitation Output ..................... 11
6.4 Connecting and Using the Heater ...................................................... 11
6.5 Installation of the Radiation Shields .................................................. 12
6.6 Datalogger Programming ................................................................... 12
6.6.1 Pyranometer/Pyrgeometer Measurements .................................. 12
6.6.2 Calibration Factors ...................................................................... 13
6.7 Instrument-Inversion Test .................................................................. 13
7. Operation ................................................................... 13
7.1 Measurement Principle ...................................................................... 13
7.1.1 Pyranometers .............................................................................. 14
7.1.2 Pyrgeometers .............................................................................. 16
7.1.3 Expected Measurement Results .................................................. 18
8. Maintenance and Troubleshooting ......................... 19
8.1 Maintenance ....................................................................................... 19
8.2 Troubleshooting ................................................................................. 20
8.2.1 Data Quality Assurance .............................................................. 20
8.2.2 Problem Diagnosis ...................................................................... 20
Appendices
A. Example Programs ................................................. A-1
A.1 CR1000 Program Using Differential Channels ............................... A-1
A.2 CR3000 Program Using Differential Channels (no 4WPB100) ...... A-4
A.3 CR3000 Program that Controls Heater ........................................... A-6