Test Report Report Number: L14058 Date: Sep 5, 2014 Issued by: Dialight Optics Laboratory 1501 Route 34 South, Farmingdale, NJ 07727 Test of one Area Light fixture Unit manufacturer: Dialight Corporation Unit model number: STWWC2N Issued to: Dialight Corporation 1501 Route 34 South, Farmingdale, NJ 07727 Tests performed: Photometric characterization and temperature measurement per the described standards. Dates of test: September 5, 2014 through September 5, 2014 Standards Used: All tests are performed in accordance with procedures and guidelines prescribed by the American National Standards Institute (ANSI) or Illuminating Engineering Society of North America (IES): • IES LM-79:2008: Electrical and Photometric Measurements of Solid-State Lighting Products • ANSI/UL 1598:2008: Underwriters Laboratories Inc. Standard for Safety: Luminaires • ENERGY STAR Manufacturer's Guide for Qualifying Solid State Lighting Luminaires Version 2.1 Description of sample: Sample Number: Manufacturer: Product Name: Description: Model Number: Dialight Optics Laboratory Report Number: L14058 L14058 Dialight Corporation DuroSite Area Light fixture STWWC2N Page 1 of 8 Report Summary Sample number L14058 Dialight unit model number STWWC2N Photograph(s) of sample: *Photographs not to scale. For reference only. Summary of Results: Luminous Flux: Electrical Power: Luminous Efficacy: Integrating Sphere Goniophotometer 4102 57.2 71.7 4073 57.2 71.2 (lumens) (W) (lumens/W) (lumens) (W) (lumens/W) Electrical Measurements: Input Power (120VAC): Power Factor (120VAC): Current ATHD % (120VAC): Input Power (277VAC): Power Factor (277VAC): Current ATHD % (277VAC): Color Measurements: Correlated Color Temperature (CCT): Color Rendering Index (CRI): Chromaticity Coordinate (x): Chromaticity Coordinate (y): Chromaticity Coordinate (u'): Chromaticity Coordinate (v'): DUV: 57.2 0.991 11.99 56.5 0.943 14.17 (W) 5216 78.2 0.339 0.34 0.212 0.319 0.0035 Temperature Measurements: In Situ LED Source Temperature: 44.9 Dialight Optics Laboratory Report Number: L14058 (W) (°C) Page 2 of 8 Test Results: Integrating Sphere Results include unit color, flux, efficacy and electrical power for sample number L14058. Dialight unit model number STWWC2N Test Conditions: Ambient Temperature: 25 ± 1 (°C) Electrical Measurements: Input Voltage: Input Current: Input Power: Input Power Factor: Current ATHD: 120 0.481 57.2 0.991 11.99 (VAC) (A) (W) (%) Photometric measurements: Luminous Flux: Luminous Efficacy: Correlated Color Temperature (CCT): CRI -Ra: CRI -R9: DUV: CIE Coordinate (x): CIE Coordinate (y): CIE Coordinate (u'): CIE Coordinate (v'): 4102 (lumens) 71.7 (lumens/W) 5216 (K) 78.2 5.9 0.0035 0.339 0.34 0.212 0.319 Spectral Power in Visible Range 0.14 Spectral Power (W) 0.12 0.1 0.08 0.06 0.04 0.02 0 350 400 450 500 550 600 650 700 750 800 λ (nanometers) Dialight Optics Laboratory Report Number: L14058 Page 3 of 8 Test Results: Integrating Sphere Results continued from previous page. Tabulated Spectral Power in Visible Range: λ(nm) 375 380 385 390 395 400 405 410 415 420 425 430 435 440 445 450 455 460 465 470 475 480 485 490 495 500 505 510 Dialight Optics Laboratory Report Number: L14058 (W/nm) 0.001 0.001 0.001 0.001 0.002 0.002 0.003 0.004 0.007 0.013 0.023 0.039 0.059 0.086 0.114 0.108 0.074 0.05 0.036 0.026 0.02 0.017 0.017 0.019 0.024 0.029 0.035 0.041 λ(nm) 515 520 525 530 535 540 545 550 555 560 565 570 575 580 585 590 595 600 605 610 615 620 625 630 635 640 645 650 (W/nm) 0.047 0.051 0.055 0.058 0.06 0.062 0.063 0.064 0.065 0.065 0.066 0.066 0.066 0.066 0.065 0.064 0.062 0.061 0.059 0.056 0.053 0.05 0.047 0.044 0.04 0.037 0.034 0.03 λ(nm) 655 660 665 670 675 680 685 690 695 700 705 710 715 720 725 730 735 740 745 750 755 760 765 770 775 780 (W/nm) 0.028 0.025 0.022 0.02 0.018 0.016 0.014 0.012 0.011 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.004 0.003 0.003 0.003 0.002 0.002 0.002 0.002 0.001 0.001 Page 4 of 8 Test Results: Goniometer Results include unit flux, distribution, efficacy, and electrical power for sample number L14058. Dialight unit model number STWWC2N Electrical Measurements: Input Voltage: Input current: Input Power: Power Factor: 120 0.481 57.2 0.989 (VAC) (A) (W) Photometric measurements: Absolute Luminous Flux: 4073 Luminous Efficacy: 71.2 (lumens) (lumens/W) Intensity Summary: Dialight Optics Laboratory Report Number: L14058 Page 5 of 8 Test Results: Goniometer Results continued from previous page. Iso-illuminance Plot: Dialight Optics Laboratory Report Number: L14058 Page 6 of 8 Test Results: In Situ Temperature Measurement Test Results include maximum LED chip temperature for sample number L14058. Dialight unit model number STWWC2N LED identified as Nichia part number Nichia 219B. LED drive current (as indicated by customer): 415 (mA) LED Specifications: LED specifications are taken from LED manufacturer datasheet: Maximum Forward Current (If): Maximum Rated Power Dissipation: Maximum Junction Temp. (Tj): Thermal Resistance (Rth): 1500 5.1 150 11 Derived Specifications: Maximum Power at Indicated Current: 1.411 Maximum Source Temperature: 134.5 Test Conditions: Temperature Measurement Location: Ambient Temperature: Ambient temperature at time of measurement: Relative humidity at time of measurement: (W) (°C) ( Tj - [power dissipation * Rth] ) See Photographs Below 25° ± 1°(°C) 24.4 (°C) 56% Results: Measured LED source temperature: 44.9 Dialight Optics Laboratory Report Number: L14058 (mA) (W) (°C) (°C/W) (°C) Page 7 of 8 Equipment Used: Equipment Name Omega TC Fluke 8808A Digit Multimeter YOKOGAWA Digital Power Meter LSI Standard Lamps LSI High Speed Mirror Goniometer Instrument System Spectrometer Instrument System Sphere Lamps (Osram Sylvania) Instrument System Sphere Lamps (Osram Sylvania) Instrument System Sphere Lamps (Osram Sylvania) Instrument System 1.5 Meter Sphere Volttech Power Analyzer Delta Elektronika DC Power Supply Elgar AC Power Supply Instek AC Power Supply Sorensen DC Power Supply Extech Hygro-Thermometer Extech Hygro-Thermometer Fluke 52II Thermometer Volttech Power Analyzer Tenma AC Power Source BK Precison TDK-Lambda Fluke 8808A Digit Multimeter TPI Digitial Thermometer 343 TPI Digitial Thermometer 343 Model Number Calibration Due Date Dpi8 3/7/2015 8808A 4/7/2015 760401 4/7/2015 #30279 4/17/2015 6240T CAS140B-151 STD-20WF-3 4/17/2015 STD-20WF-3 4/17/2015 STD-20WF-3 4/17/2015 ISP1500 PM1000+ 4/17/2015 SM.300-5 CW1251P APS-9501 XHR150-7 445703 445703 52II Thermometer 3/6/2015 PM1000+ 4/17/2015 72-7675 1715A GEN1500W 8808A 4/14/2015 343 4/17/2015 343 4/17/2015 Additional Notes: Samples are received and tested in new and undamaged condition, unless otherwise noted. The results shown in this report are representative only of the test samples submitted. This data has been issued to the assignee for further evaluation. This report shall not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government. This report shall not be reproduced, except in full, without the express written permission of Dialight Optics Laboratory. Test Report Issued By: Richard Huegi Dialight Optics Laboratory Senior Optical Engineering Technician Lighting Division Dialight Optics Laboratory Report Number: L14058 Test Report Reviewed and Approved By: Cecil Thomas Dialight Optics Laboratory Optical Engineering Manager Approved Signatory Page 8 of 8