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] |
1 | 31137E6 | NREL/Cal. Facility | 08/13/1996 | 08/13/1997 | Rs=8.4799 uV/W/sqm | | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | | | | | B Marion | Borcal 96-04 | | +/-2.25% | | | | | | |
2 | 31137E6 | NREL/99-02 | 06/27/1999 | 06/27/2000 | Rs = 8.454 µV/W/m² | | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | | | | | Tom Stoffel | Borcal99-02 | | CF = 118.29 W/m²/mV Uncert = ±2.2% | | 11/01/2000 | | | | |
3 | 31137E6 | SRRL/2001-05 | 09/04/2001 | 09/04/2002 | INVALID RS@45=9.0589 µV/W/m² ; +1.08/-1.68% ; N=24 | CF@45=110.39 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2001-05 | | Valid Zenith angle range for RS@45: 32-59 | Revised Responsivities | | | | | |
4 | 31137E6 | SRRL/2002-02 | 06/06/2002 | 06/06/2003 | RS@45=8.4917 µV/W/m² ; +1.78/-1.84% ; N=12 | CF@45=117.76 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2002-02 | | Valid Zenith angle range for RS@45: 30-60 | Responsivities Revised 10-20-2003 | 07/25/2002 | | | | |
5 | 31137E6 | SRRL/2003-01 | 07/02/2003 | 07/02/2004 | RS@45=8.4932 µV/W/m² ; +1.43/-1.09% ; N=8 | CF@45=117.74 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2003-01 | | Valid Zenith angle range for RS@45: 30-60 | | 07/10/2003 | | | | |
6 | 31137E6 | SRRL/2003-02 | 07/10/2003 | 07/10/2004 | RS@45=8.4854 µV/W/m² ; +0.95/-1.40% ; N=10 | CF@45=117.85 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2003-02 | | Valid Zenith angle range for RS@45: 30-60 | | | | | | |
7 | 31137E6 | SRRL/2003-03 | 08/11/2003 | 08/11/2004 | RS@45=8.4949 µV/W/m² ; +1.22/-1.92% ; N=10 | CF@45=117.72 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2003-03 | | Valid Zenith angle range for RS@45: 30-60 | | | | | | |
8 | 31137E6 | SRRL/2004-02 | 08/09/2004 | 08/09/2005 | RS@45=8.4996 µV/W/m² ; +1.83/-0.89% ; N=12 | CF@45=117.65 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2004-02 | | Valid Zenith angle range for RS@45: 30-60 | | 08/16/2004 | | | | |
9 | 31137E6 | SRRL/2005-01 | 05/19/2005 | 05/19/2006 | RS@45=8.5060 µV/W/m² ; +1.21/-1.02% ; N=10 | CF@45=117.56 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | Borcal 2005-01 | | Valid Zenith angle range for RS@45: 30-60 | | 05/26/2005 | | | | |
10 | 31137E6 | SRRL/2006-01 | 05/16/2006 | 05/16/2007 | RS@45=8.4905 µV/W/m² ; +0.98/-0.92% ; N=14 ; Z:30-60 | CF@45=117.78 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2006-01 Certificates | | | | 06/07/2006 | n/a ; n/a ; n/a ; Z:n/a | n/a | None ; Estimated thermal offset error = unspecified | |
11 | 31137E6 | SRRL/2007-01 | 06/08/2007 | 06/08/2008 | RS@45=8.5043 µV/W/m² ; +1.11/-1.03% ; N=13 ; Z:30-60 | CF@45=117.59 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2007-01 Certificates | | | | 06/13/2007 | n/a ; n/a ; n/a ; Z:n/a | n/a | None ; Estimated thermal offset error = unspecified | |
12 | 31137E6 | SRRL/2008-01 | 05/18/2008 | 05/18/2009 | RS@45=8.5024 µV/W/m² ; +1.10/-1.00% ; N=12 ; Z:30-60 | CF@45=117.61 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2008-01 Certificates | | | | 05/23/2008 | n/a ; n/a ; n/a ; Z:n/a | n/a | None ; Estimated thermal offset error = unspecified | |
13 | 31137E6 | SRRL/2009-01 | 05/27/2009 | 05/27/2010 | RS@45=8.4924 µV/W/m² ; +1.32/-1.26% ; N=12 ; Z:30-60 | CF@45=117.75 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2009-01 Certificates | | | | 07/06/2009 | n/a ; n/a ; n/a ; Z:n/a | n/a | None ; Estimated thermal offset error = unspecified | |
14 | 31137E6 | SRRL/2010-01 | 05/23/2010 | 05/23/2011 | R@45=8.4351 µV/W/m² ; +0.91/-1.04% ; N=12 ; Z:30-60 | CF@45=118.55 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2010-01 Certificates | | | | 05/27/2010 | R@45=8.4351 µV/W/m² ; +0.91/-1.04% ; N=12 ; Z:30-60 | CF@45=118.55 W/m²/mV | None ; Rnet=0.0 | |
15 | 31137E6 | SRRL/2011-02 | 05/05/2011 | 05/05/2012 | R@45=8.4505 µV/W/m² ; +0.97/-1.15% ; N=11 ; Z:30-60 | CF@45=118.34 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2011-02 Certificates | | | | 05/26/2011 | R@45=8.4505 µV/W/m² ; +0.97/-1.15% ; N=11 ; Z:30-60 | CF@45=118.34 W/m²/mV | None ; Rnet=0.0 | |
16 | 31137E6 | SRRL/2012-01 | 05/04/2012 | 05/04/2013 | R@45=8.4524 µV/W/m² ; +1.13/-0.93% ; N=11 ; Z:30-60 | CF@45=118.31 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2012-01 Certificates | | | | 06/07/2012 | R@45=8.4524 µV/W/m² ; +1.13/-0.93% ; N=11 ; Z:30-60 | CF@45=118.31 W/m²/mV | None ; Rnet=0.0 | |
17 | 31137E6 | SRRL/2013-02 | 06/20/2013 | 06/20/2014 | R@45=8.4466 µV/W/m² ; +2.41/-1.08% ; N=9 ; Z:30-60 | CF@45=118.39 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Tom Stoffel | BORCAL 2013-02 Certificates | | | | 07/17/2013 | R@45=8.4466 µV/W/m² ; +2.41/-1.08% ; N=9 ; Z:30-60 | CF@45=118.39 W/m²/mV | None ; Rnet=0.0 | |
18 | 31137E6 | SRRL/2014-01 | 05/19/2014 | 05/19/2015 | R@45=8.4596 µV/W/m² ; +1.54/-1.08% ; N=7 ; Z:30-60 | CF@45=118.21 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Afshin M. Andreas | BORCAL 2014-01 Certificates | | | | 06/04/2014 | R@45=8.4596 µV/W/m² ; +1.54/-1.08% ; N=7 ; Z:30-60 | CF@45=118.21 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
19 | 31137E6 | SRRL/2015-01 SW | 06/04/2015 | 06/04/2016 | R@45=8.4989 µV/W/m² ; +0.84/-1.24% ; N=7 ; Z:30-60 | CF@45=117.66 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Afshin M. Andreas | BORCAL-SW 2015-01 Certificates | | | | 06/22/2015 | R@45=8.4989 µV/W/m² ; +0.84/-1.24% ; N=7 ; Z:30-60 | CF@45=117.66 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
20 | 31137E6 | SRRL/2016-01 SW | 05/03/2016 | 05/03/2017 | R@45=8.5240 µV/W/m² ; +1.41/-1.08% ; N=5 ; Z:30-60 | CF@45=117.32 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | | | Afshin M. Andreas | BORCAL-SW 2016-01 Certificates | | | | 06/01/2016 | R@45=8.5240 µV/W/m² ; +1.41/-1.08% ; N=5 ; Z:30-60 | CF@45=117.32 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
21 | 31137E6 | SRRL/2017-01 SW | 05/04/2017 | 05/04/2018 | R@45=8.4873 µV/W/m² ; +1.4/-1.1% ; N=8 ; Z:30-60 | CF@45=117.82 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | [2017-01_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2017-01 Certificates | | | | 05/08/2017 | R@45=8.4873 µV/W/m² ; +1.4/-1.1% ; N=8 ; Z:30-60 | CF@45=117.82 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
22 | 31137E6 | SRRL/2018-03 SW | 05/16/2018 | 05/16/2019 | R@45=8.4532 µV/W/m² ; +2.2/-0.97% ; N=10 ; Z:30-60 | CF@45=118.30 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | [2018-03_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2018-03 Certificates | | | | 05/25/2018 | R@45=8.4532 µV/W/m² ; +2.2/-0.97% ; N=10 ; Z:30-60 | CF@45=118.30 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
23 | 31137E6 | SRRL/2019-02 SW | 05/03/2019 | 05/03/2020 | R@45=8.4944 µV/W/m² ; +1.4/-1.5% ; N=9 ; Z:30-60 | CF@45=117.73 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | [2019-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2019-02 Certificates | | | | 05/09/2019 | R@45=8.4944 µV/W/m² ; +1.4/-1.5% ; N=9 ; Z:30-60 | CF@45=117.73 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
24 | 31137E6 | SRRL/2020-02 SW | 05/05/2020 | 05/05/2021 | R@45=8.4394 µV/W/m² ; +1.6/-0.86% ; N=12 ; Z:30-60 | CF@45=118.49 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | [2020-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2020-02 Certificates | | | Revised 12/09/2021 | 05/18/2020 | R@45=8.4394 µV/W/m² ; +1.6/-0.86% ; N=12 ; Z:30-60 | CF@45=118.49 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |
25 | 31137E6 | SRRL/2021-02 SW | 05/06/2021 | 05/06/2022 | R@45=8.4840 µV/W/m² ; +1.3/-1.1% ; N=11 ; Z:30-60 | CF@45=117.87 W/m²/mV | Eppley | NIP | Normal Incidence Pyrheliometer | NREL/Program | 8.55 cal sheet | 07/11/1996 | [31137E6_Eppley_NIP.2deg.txt] | | [2021-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2021-02 Certificates | | | Revised 12/09/2021 | 05/14/2021 | R@45=8.4840 µV/W/m² ; +1.3/-1.1% ; N=11 ; Z:30-60 | CF@45=117.87 W/m²/mV | None ; Rnet=0.0 | [31137E6_Eppley_NIP.2avg.txt] |