| 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 | 31192F3 | Eppley | 04/11/1996 | | 3.63 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Tom Kirk | Standardization of Eppley PIR | | | | | | | | |
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| 2 | 31192F3 | NREL's/Black Body | 10/27/2004 | 10/27/2005 | K0= -6.37; K1=0.26556,K2=1.010; K3= -3.137 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | Black Body Calibration Certificate | | %U95(NREL-BB)±0.20,Baseline | | 11/05/2004 | | | | |
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| 3 | 31192F3 | NREL's/Outdoor | 01/03/2006 | 01/03/2007 | K0= -6.37; K1=0.255; K2=1.02; K3= -3.137 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | | vs PMOD reference | U95 wrt WISG = +/- 2.7 W/m^2 | | 01/12/2006 | | | | |
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| 4 | 31192F3 | NREL's/Outdoor | 04/13/2008 | 04/13/2009 | K0= 0; K1=0.2528; K2=1.0015; K3= -3.0; Kr=7.0440e-04 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | | vs PMOD reference | U95 wrt WISG = +/- 2.3 W/m^2 | | 04/17/2008 | | | | |
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| 5 | 31192F3 | NREL's/Outdoor | 03/23/2009 | 03/23/2010 | K0= 0; K1=0.2577; K2=1.0045; K3= -2.5; Kr=7.0440e-04 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | | vs PMOD reference | U95 wrt WISG = +/- 7.8 W/m^2 | | 04/16/2009 | | | | |
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| 6 | 31192F3 | NREL's/Outdoor | 03/24/2011 | 03/24/2013 | K0=0;K1=0.253;K2=0.999;K3= -2.90;Kr=0.0007044 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | | | U95(wrt WISG)±2.2W/m^2 | | 05/13/2011 | | | | |
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| 7 | 31192F3 | NREL's/Outdoor | 05/28/2013 | 05/28/2015 | K0=-1.22;K1=0.2556;K2=1.0064;K3= -2.84;Kr=0.0007044 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | | | Reda | | | U95(wrt WISG)±1.8 W/m^2 | | 12/04/2014 | | | | |
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| 8 | 31192F3 | SRRL/2017-03 LW | 06/27/2017 | 06/27/2019 | K0=0.0;K1=0.2569;K2=1.0106;K3=-3.67;Kr=7.044e-4 ; U95 (wrt WISG) = ±3.4 W/m² ; N=3297 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | [2017-03-LW_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-LW 2017-03 Certificates | | | | 07/20/2017 | K0=-12.6;K1=0.2584;K2=1.0438;K3=-3.58;Kr=7.044e-4 ; U95 (wrt WISG) = ±3.0 W/m² ; N=3205 | | Analysis w/o K0 forced to zero | |
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| 9 | 31192F3 | SRRL/2021-03 LW | 07/27/2021 | 07/27/2023 | K1=0.24713;K2=1.0003;K3=-3.27;Kr=7.044e-4 ; U95 (wrt WISG) = ±2.6 W/m² ; N=5521 | | Eppley | PIR | Precision Infrared Radiometer | ARM/SGP | 3.63 (temp -30 to +50°C) | 04/11/1996 | | | [2021-03-LW_NREL-SRRL-BMS.pdf] | | Afshin M. Andreas | BORCAL-LW 2021-03 Certificates | | | | 08/10/2021 | | | | |
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