Westek LED32HBCC

Report Number: ISO-NRCan 016

Issued: May/23/2012

Item tested Westek LED32HBCC
Rated electrical values 60Hz AC, 120V
Nominal CCT N/A
Item received date
Test completed date 06-Mar-2012
Objecvie of test IES LM-79 was performed to measure the total luminous flux, Correlated colour temperature (CCT), colour rendering index (CRI), chromaticity coordinates (x,y), and spectral power distribution (SPD), luminous efficacy (lm/W) and luminous flux stabilization curve.
Procedure With reference to Lumentra standard operation procedures Lumentra-SOP01.
Test report prepared by Rui Li, PhD
Engineering Consultant, Lumentra Inc.
Test report approved by Venkat Venkataramanan, PhD
CTO, Lumentra Inc.

Test Conditions

Number of hours operated prior to measurement  0
Total operating time of the product including stabilization  70 minutes
Stabilization time  60 minutes
Ambient temperature (°C)  22.5
Orientation of the product during testing  Vertical & base-down
Photometric method used  Sphere-spectroradiometer
Designation and type of reference standard used  100W Halogen lamp, 6566-1, omni-directional, calibration traceable to NIST
Correction factors applied  Self-absorption
Photometric measurement conditions  76 inch integrating sphere, 4p geometry
Spectroradiometer resolution  1.5 nm
Equipment used  SLM-76-C SphereOptics integrating sphere system, Fluke Norma 4000
Deviation from standard operating procedures  Ambient temperature was 22.5 °C instead of 25±1 °C

Test Results

Total luminous flux (Lumens)  417.2
CIE Chromaticity coordinate x  0.4395
CIE Chromaticity coordinate y  0.4122
Correlated colour temperature CCT (K)  3021
Colour rendering index (CRI)  63.6
Voltage RMS (V)  121.2
Current RMS (A)  0.102
Real Power (W)  6.56
Power Factor  0.533
Total Harmonic Distortion (%)  143
Efficacy (lm/W)  63.6

Lumen maintenance at end of 6000 hours: 39.2%

L70 life is less than 6000 hours


Manufacturer Claims

Total luminous flux (Lumens) N/A
Correlated colour temperature CCT (K) N/A
Colour rendering index (CRI) N/A
Voltage RMS (V)  120
Power (W)  N/A
Efficacy (lm/W)  N/A
Life (hour)  N/A
Equivalency  N/A

Figure 1. Spectral Power Distribution

Figure 2. CIE Chromaticity Diagram

Figure 3. Picture of the item tested

This report is based on published industry procedures and the results relate only to the item tested. This report shall not be reproduced except in full, without written approval of Lumentra Inc.