| R# | Serial Number | Calibration Facility | Calibration Date | Date for next Calibration | Responsivity [45] | Calibration Factor [45] | Instrument::Make | Instrument::Model | Instrument::Description | Instrument::Program | Instrument::Factory Calibration | Instrument::Date of Factory Calibration | Responsivity Bins [2 deg] | Responsivity Function Coefficients | Other Calibrations | Calibration File | Contact Person | Documentation Title | Calibration Method | Calibration Notes | Other Information | Datalogger Entry Date | Responsivity [45] [Corr] | Calibration Factor [45] [Corr] | Correction Method | Responsivity Bins Average [2 deg] |
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| 1 | 31256F3 | Eppley | 05/06/1996 | | 8.16 | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.16 (temp -20° to 40°C) | 05/06/1996 | | | | | Tom Kirk | Standardization of Eppley PSP | | | | | | | | |
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| 2 | 31256F3 | NREL/98-02 | 06/19/1998 | 06/19/1999 | Rs=7.925 uV/W/sqm | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.16 (temp -20° to 40°C) | 05/06/1996 | | | | | Tom Stoffel | Borcal98-02 | | Cf=126.18 W/sqm/mV +/-2.0% | | | | | | |
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| 3 | 31256F3 | SRRL/2002-02 | 06/06/2002 | 06/06/2003 | RS@45=7.6084 µV/W/m² ; +2.12/-4.10% ; N=12 | CF@45=131.43 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.16 (temp -20° to 40°C) | 05/06/1996 | [31256F3_Eppley_PSP.2deg.txt] | [31256F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2002-02 | | Valid Incident angle range for RS@45: 30-60 | Responsivities Revised 10-20-2003 | | | | | |
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| 4 | 31256F3 | SRRL/2003-03 | 08/11/2003 | 08/11/2004 | RS@45=7.5614 µV/W/m² ; +2.33/-3.67% ; N=10 | CF@45=132.25 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.16 (temp -20° to 40°C) | 05/06/1996 | [31256F3_Eppley_PSP.2deg.txt] | [31256F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2003-03 | | Valid Incident angle range for RS@45: 30-60 | | 04/05/2004 | | | | |
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| 5 | 31256F3 | SRRL/2008-02 | 06/06/2008 | 06/06/2009 | RS@45=7.2232 µV/W/m² ; +2.76/-4.47% ; N=13 ; I:30-60 | CF@45=138.44 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 8.16 (temp -20° to 40°C) | 05/06/1996 | [31256F3_Eppley_PSP.2deg.txt] | [31256F3_Eppley_PSP.coef.txt] | [31256F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2008-02 Certificates | | | | | n/a ; n/a ; n/a ; I:n/a | n/a | None ; Estimated thermal offset error = -20 W/m² | |
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