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 | S18015.22 | EKO Instruments Co., Ltd. | 09/28/2018 | 09/28/2019 | S = 6.728 µV/W/m²; U = +/- 0.63%; k = 1.96 | 148.63 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | | | | | S. Yoshida | Calibration Certificate | | Outdoor | | 04/17/2019 | | | None | |
2 | S18015.22 | SRRL/2019-02 SW | 05/03/2019 | 05/03/2020 | R@45=6.6849 µV/W/m² ; +0.88/-0.87% ; N=10 ; Z:30-60 | CF@45=149.59 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2019-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2019-02 Certificates | | | | 05/09/2019 | R@45=6.6849 µV/W/m² ; +0.88/-0.87% ; N=10 ; Z:30-60 | CF@45=149.59 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
3 | S18015.22 | SRRL/2020-02 SW | 05/05/2020 | 05/05/2021 | R@45=6.6728 µV/W/m² ; +0.78/-0.70% ; N=12 ; Z:30-60 | CF@45=149.86 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2020-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2020-02 Certificates | | | Revised 12/09/2021 | 05/18/2020 | R@45=6.6728 µV/W/m² ; +0.78/-0.70% ; N=12 ; Z:30-60 | CF@45=149.86 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
4 | S18015.22 | SRRL/2021-02 SW | 05/06/2021 | 05/06/2022 | R@45=6.6900 µV/W/m² ; +0.73/-0.89% ; N=9 ; Z:30-60 | CF@45=149.48 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2021-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2021-02 Certificates | | | Revised 12/09/2021 | 05/14/2021 | R@45=6.6900 µV/W/m² ; +0.73/-0.89% ; N=9 ; Z:30-60 | CF@45=149.48 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
5 | S18015.22 | SRRL/2022-02 SW | 04/30/2022 | 04/30/2023 | R@45=6.6856 µV/W/m² ; +0.69/-1.1% ; N=11 ; Z:30-60 | CF@45=149.57 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2022-02_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2022-02 Certificates | | AM data: instrument slightly dirty, cleaned in PM | | 07/22/2022 | R@45=6.6856 µV/W/m² ; +0.69/-1.1% ; N=11 ; Z:30-60 | CF@45=149.57 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
6 | S18015.22 | SRRL/2022-03 SW | 06/16/2022 | 06/16/2023 | R@45=6.6719 µV/W/m² ; +0.87/-0.81% ; N=12 ; Z:30-60 | CF@45=149.88 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2022-03_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2022-03 Certificates | | | | | R@45=6.6719 µV/W/m² ; +0.87/-0.81% ; N=12 ; Z:30-60 | CF@45=149.88 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
7 | S18015.22 | SRRL/2022-04 SW | 07/17/2022 | 07/17/2023 | R@45=6.6842 µV/W/m² ; +0.84/-0.79% ; N=14 ; Z:30-60 | CF@45=149.61 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2022-04_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2022-04 Certificates | | | | | R@45=6.6842 µV/W/m² ; +0.84/-0.79% ; N=14 ; Z:30-60 | CF@45=149.61 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |
8 | S18015.22 | SRRL/2023-04 SW | 07/16/2023 | 07/16/2024 | R@45=6.6953 µV/W/m² ; +0.74/-0.73% ; N=12 ; Z:30-60 | CF@45=149.36 W/m²/mV | EKO | MS-57 | Pyrheliometer | NREL/Program | 6.728 uV/Wm-2 | 09/28/2018 | [S18015.22_EKO_MS-57.2deg.txt] | | [2023-04_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-SW 2023-04 Certificates | | | | 08/09/2023 | R@45=6.6953 µV/W/m² ; +0.74/-0.73% ; N=12 ; Z:30-60 | CF@45=149.36 W/m²/mV | None ; Rnet=0.0 | [S18015.22_EKO_MS-57.2avg.txt] |