| R# | Serial Number | Calibration Facility | Calibration Date | Date for next Calibration | Responsivity [45] | Responsivity [45:55] | Responsivity [Comp] | Calibration Factor [45] | Instrument::Make | Instrument::Model | Instrument::Description | Instrument::Program | Instrument::Factory Calibration | Instrument::Date of Factory Calibration | Responsivity Bins [2 deg] | Responsivity Bins [9 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] | Responsivity [45:55] [Corr] | Responsivity [Comp] [Corr] | Correction Method |
| 1 | 20068F3 | Eppley | 10/03/1980 | | 10.57 (temp -20 to +40°C) | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | | | | | | Tom Kirk | Standardization of Eppley PSP | | | | | | | | | |
| 2 | 20068F3 | NREL/98-01 | 05/14/1998 | 05/14/1999 | Rs=9.670 uV/W/sqm | | | | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | | | | | | Tom Stoffel | Borcal98-01 | | Cf=103.41 W/sqm/mV +/-2.5% | Cal'd:6/95 (9.662) | | | | | | |
| 3 | 20068F3 | SRRL/2004-02 | 08/09/2004 | 08/09/2005 | RS@45=9.4915 µV/W/m² ; +2.11/-4.93% ; N=12 | 9.4067 µV/W/m² ; ±2.18% | 9.5044 µV/W/m² ; +2.40/-23.98% | CF@45=105.36 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | [20068F3_Eppley_PSP.9deg.txt] | [20068F3_Eppley_PSP.coef.txt] | | | Tom Stoffel | Borcal 2004-02 | | Valid Incident angle range for RS@45: 30-60 | | 08/19/2004 | | | | | |
| 4 | 20068F3 | SRRL/2006-01 | 05/16/2006 | 05/16/2007 | RS@45=9.3371 µV/W/m² ; +2.69/-3.57% ; N=13 ; I:30-60 | 9.2492 µV/W/m² ; ±1.58% | 9.3872 µV/W/m² ; +2.44/-18.13% | CF@45=107.10 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | [20068F3_Eppley_PSP.9deg.txt] | [20068F3_Eppley_PSP.coef.txt] | [20068F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2006-01 Certificates | | | | 06/07/2006 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 5 | 20068F3 | SRRL/2007-02 | 06/18/2007 | 06/18/2008 | RS@45=9.3381 µV/W/m² ; +2.37/-3.40% ; N=14 ; I:30-60 | 9.2692 µV/W/m² ; ±2.87% | 9.3547 µV/W/m² ; +3.57/-45.77% | CF@45=107.09 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | [20068F3_Eppley_PSP.9deg.txt] | [20068F3_Eppley_PSP.coef.txt] | [20068F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2007-02 Certificates | | | | 07/05/2007 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 6 | 20068F3 | SRRL/2008-02 | 06/06/2008 | 06/06/2009 | RS@45=9.3517 µV/W/m² ; +2.00/-3.98% ; N=13 ; I:30-60 | 9.2535 µV/W/m² ; ±2.60% | 9.3531 µV/W/m² ; +3.23/-32.41% | CF@45=106.93 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | [20068F3_Eppley_PSP.9deg.txt] | [20068F3_Eppley_PSP.coef.txt] | [20068F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2008-02 Certificates | | | | 06/25/2008 | n/a ; n/a ; n/a ; I:n/a | n/a | n/a ; n/a | n/a ; n/a | None ; Estimated thermal offset error = -20 W/m² |
| 7 | 20068F3 | SRRL/2010-01 | 05/23/2010 | 05/23/2011 | R@45=9.3617 µV/W/m² ; +2.57/-3.99% ; N=12 ; Z:30-60 | n/a ; n/a | n/a ; n/a | CF@45=106.82 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | | [20068F3_Eppley_PSP.coef.txt] | [20068F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2010-01 Certificates | | | | 09/08/2010 | R@45=9.3617 µV/W/m² ; +2.57/-3.99% ; N=12 ; Z:30-60 | CF@45=106.82 W/m²/mV | n/a ; n/a | n/a ; n/a | None ; Rnet=0.0 |
| 8 | 20068F3 | SRRL/2012-01 | 05/04/2012 | 05/04/2013 | R@45=9.3241 µV/W/m² ; +2.71/-4.60% ; N=8 ; Z:30-60 | n/a | n/a | CF@45=107.25 W/m²/mV | Eppley | PSP | Precision Spectral Pyranometer | NREL/Program | 10.57 (temp -20 to +40°C) | 10/03/1980 | [20068F3_Eppley_PSP.2deg.txt] | | [20068F3_Eppley_PSP.coef.txt] | [20068F3_Eppley_PSP.lato.txt] | | Tom Stoffel | BORCAL 2012-01 Certificates | | | | 08/13/2012 | R@45=9.3241 µV/W/m² ; +2.71/-4.60% ; N=8 ; Z:30-60 | CF@45=107.25 W/m²/mV | n/a | n/a | Effective Net IR ; Rnet=0.600 µV/W/m² ; Estimated |