Specifications
Table Of Contents
- Revision and Copyright Information
- Warranty and Assistance
- Table of Contents
- CNR4 Net Radiometer
- 1. General Description
- 2. Sensor Specifications
- 3. Installation
- 4. Using the Optional CNF4 Heater/Ventilator Unit
- 5. Using the CNR4 in the Four Separate Components Mode
- 5.1 Measuring Short-wave Solar Radiation with Pyranometer
- 5.2 Measuring Long-wave Far Infrared Radiation with Pyrgeometer
- 5.3 Measuring CNR4 Temperature with Thermistor
- 5.4 Calculation of Albedo
- 5.5 Calculation of Net Short-wave Radiation
- 5.6 Calculation of Net Long-wave Radiation
- 5.7 Calculation of Net (Total) Radiation
- 6. Wiring
- 7. Datalogger Programming
- 8. Troubleshooting
- 9. Maintenance and Recalibration
- Appendix A. CNR4 Performance and Measurements under Different Conditions
- Appendix B. CNF4 Heater/Ventilator
- Appendix C. CR3000 Program for Measuring Pt-100 Temperature Sensor
- Campbell Scientific Contact Information
CNR4 Table of Contents
Tables
5-1. Resistance values versus CNR4's thermistor temperature in °C ...........11
5-2. Resistance values versus CNR4's Pt-100 temperature in °C .................12
6-1. Datalogger Connections for Differential Measurement ........................16
6-2. Datalogger Connections for Single-ended Measurement......................16
A-1. Typical output signals of CNR4 under different meteorological
conditions. Explanation can be found in the text ........................... A-1
B-1. CR1000 and CR3000 Datalogger Connections for Differential
Measurement with Heater/Ventilator Control..................................B-7
C-1. Datalogger Connections for Differential Measurement with Pt-100 ..C-1
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