Campbell Scientific SP-LITE Solar Radiation Sensor - Manual (Page 3)

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SP-LITE Table of Contents
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1. General Description.....................................................1
1.1 Electrical Properties..................................................................................1
1.2 Spectral Properties....................................................................................2
1.3 Directional/Cosine Response....................................................................3
2. Sensor Specifications .................................................4
3. Installing the SP-LITE..................................................5
4. Wiring............................................................................7
5. Datalogger Programming............................................7
5.1 Datalogger Input Range Codes.................................................................8
5.2 Calibration Factor and Multiplier .............................................................8
5.3 Program Example 1, Average Solar Radiation .........................................8
5.4 Program Example 2, Total Solar Radiation ............................................10
5.4.1 Output Format Considerations ......................................................10
5.5 Program Example 3, Average and Total Solar Radiation.......................12
6. Maintenance ...............................................................13
6.1 Calibration ..............................................................................................13
7. Troubleshooting ........................................................13
7.1 Pyranometer produces no apparent output..............................................13
7.2 Readings are not as expected..................................................................13
Figures
1. SP-LITE Sensor without Leveling Fixture .................................................1
2. SP-LITE Electrical Circuit..........................................................................2
3. Spectral Sensitivity of Pyranometers Compared with Solar Radiation ......2
4. Cosine Response of a Typical SP-LITE Pyranometer................................3
5. Dimensions of SP-LITE with Leveling Device..........................................4
6. 015ARM Mounting Arm ............................................................................5
7. 025STAND and 019ALU Crossarm...........................................................6
8. SP-LITE to Datalogger Connections ..........................................................7