Test Report. Report Number: L18055 Date: Jun 27, Issued by: Dialight Optics Laboratory 1501 Route 34 South, Farmingdale, NJ 07727

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1 Test Report Report Number: L1855 Date: Jun 27, 218 Issued by: 151 Route 34 South, Farmingdale, NJ 7727 Test of one High Output High Bay w/25ft cable Unit manufacturer: Dialight Corporation Unit model number: H6-U7NC-SNxx-xxxx Issued to: Dialight Corporation 151 Route 34 South, Farmingdale, NJ 7727 Tests performed: Photometric characterization and temperature measurement per the described standards. Dates of test: June 2, 218 through June 26, 218 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-79:28: Electrical and Photometric Measurements of Solid-State Lighting Products ANSI/UL 1598:28: 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: L1855 Manufacturer: Dialight Corporation Product Name: H6-U7NC-SNxx-xxxx Description: High Output High Bay w/25ft cable Model Number: H6-U7NC-SNxx-xxxx Report Number: L1856 Page 1 of 9

2 Report Summary Sample number L1855 Dialight unit model number H6-U7NC-SNxx-xxxx Photograph(s) of sample: Summary of Results: *Photographs not to scale. For reference only. Integrating Sphere Goniophotometer Luminous Flux: 5846 (lumens) (lumens) Electrical Power: (W) (W) Luminous Efficacy: (lumens/w) (lumens/w) Electrical Measurements: Input Power (347): Power Factor (347): Current ATHD % (347): (W) Color Measurements: Correlated Color Temperature (CCT): Color Rendering Index (CRI): Chromaticity Coordinate (x): Chromaticity Coordinate (y): Chromaticity Coordinate (u'): Chromaticity Coordinate (v'): DUV: Temperature Measurements: In Situ LED Source Temperature: 54.1 Report Number: L1856 Page 2 of 9

3 Spectral Power (W) Test Results: Integrating Sphere Results include unit color, flux, efficacy and electrical power for sample number L1855. Dialight unit model number H6-U7NC-SNxx-xxxx Test Conditions: Electrical Measurements: Photometric measurements: Ambient Temperature: 25 ± 1 Input Voltage: 347 (VAC) Input Current: 1.27 (A) Input Power: (W) Input Power Factor:.977 Current ATHD: (%) Luminous Flux: 5846 Luminous Efficacy: Correlated Color Temperature (CCT): 4787 CRI -Ra: 82.1 CRI -R9: 8.6 DUV:.42 CIE Coordinate (x):.353 CIE Coordinate (y):.366 CIE Coordinate (u'):.211 CIE Coordinate (v'):.328 (lumens) (lumens/w) (K) 1.6 Spectral Power in Visible Range λ (nanometers) Report Number: L1856 Page 3 of 9

4 Test Results: Integrating Sphere Results continued from previous page. Tabulated Spectral Power in Visible Range: λ(nm) (W/nm) λ(nm) (W/nm) λ(nm) 655 (W/nm) Report Number: L1856 Page 4 of 9

5 Test Results: Goniometer Results include unit flux, distribution, efficacy, and electrical power for sample number L1855. Dialight unit model number H6-U7NC-SNxx-xxxx Electrical Measurements: Input Voltage: Input current: Input Power: Power Factor: (VAC) (A) (W) Photometric measurements: Absolute Luminous Flux: Luminous Efficacy: (lumens) (lumens/w) Intensity Summary: ANGLE ALONG INTENSITY (CANDLEPOWER) SUMMARY ACROSS OUTPUT LUMENS Report Number: L1856 ZONAL LUMEN AND PERCENTAGES ZONE LUMENS % LUMINAIRE 62.1% 83.4% 98.9% 1.6% 1.%.% 1.% Page 5 of 9

6 Test Results: Goniometer Results continued from previous page. Polar Plot: Report Number: L1856 Page 6 of 9

7 Test Results: Goniometer Results continued from previous page. Illuminance Plot: Illuminance-Cone of Light: Report Number: L1856 Page 7 of 9

8 Test Results: In Situ Temperature Measurement Test Results include maximum LED chip temperature for sample number L1855. Dialight unit model number H6-U7NC-SNxx-xxxx LED identified as Seoul part number SAW8C22B. LED drive current (as indicated by customer): 53 (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): Derived Specifications: Maximum Power at Indicated Current: Maximum Source Temperature: (ma) (W) ( C/W) (W) Test Conditions: Temperature Measurement Location: See Photographs Below Ambient Temperature: 25 ± 5 Ambient temperature at time of measurement: 24.8 Relative humidity at time of measurement: 39% Results: Measured LED source temperature: 54.1 Report Number: L1856 Page 8 of 9

9 Equipment Used: Equipment Name Omega TC Fluke 888A Digit Multimeter YOKOGAWA Digital Power Meter LSI High Speed Mirror Goniometer Instrument System Spectrometer Instrument System 1.5 Meter Sphere Delta Elektronika DC Power Supply Instek AC Power Supply Sorensen DC Power Supply TPI Digital Thermometer Fluke 52II Thermometer Fluke 971 Humidity Meter Volttech Power Analyzer Volttech Universal Breakout Box BK Precison Step-Up Transformer Omega TC Agilent True RMS OLED Multimeter ITL Osram Calibraton lamps for Goniometer ITL Osram Calibraton lamps for Goniometer ITL Osram Calibraton lamps for Goniometer Adaptive Power Systems AC Power Supply Xitron Power Analyzer GwINSTEK DC Power Supply Osram Sylvania Calibration Lamp for Sphere Model Number Dpi8 888A 11/26/ T CAS14B-151 ISP15 SM.3-5 APS-951 XHR15-7 TPI PM1+ PM A Dpi8-C24 U1273A J9a8 J9a8 J9a8 FC-21 XT264 GEP STD-2WF-3 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. Test Report Issued By: Richard Huegi Senior Optical Engineering Technician Lighting Division Test Report Reviewed and Approved By: Yinan Zhang Optical Engineer Report Number: L1856 Page 9 of 9