How to do LM-79 Testing?

IES LM-79-08 standard
Approved Method: Electrical and photometric Measurements of Solid-state Lighting Product
Photometric Results
Colorimetric Parameters:
  • Chromaticity coordinates: (Chroma x / Chroma y / Chroma u(u’) / Chroma v / Chroma v’)
  • Correlated Color Temperature (CCT)
  • Duv Value
  • Color Ratio
  • Peak Wavelength (nm)
  • Half Bandwidth (nm)
  • Dominant Wavelength (nm)
  • Color Purity
  • Color Rendering Index (CRI – Ra)
Colorometric Parameter
Photometric Parameters:
  • Total Luminous Flux (Lumens)
  • Luminous Efficacy (Lumens/Watt)
  • Radiant Power (Watts)
Electrical Results:
  • Input Power (Watts)
  • Input Voltage (Volts )
  • Input Current (Amps)
  • Power Factor
  • Input Frequency (Hz)
Additional Parameters:
  • Stabilization Time (Light and Power) = 60 minutes
  • Test Geometry Configuration = 4π
  • Spectroradiometer = (Lisun LMS-9000A Plus)
  • Ambient Temperature = 25.0°C

**************************************
Tested By: Dharminder Chauhan, click Here to follow on linkedin Dharmendra Chauhan Testing Expert
****************************************­*
Kindly send us your testing requirements with the product technical details to submit you our testing charges.
We are waiting for your earliest reply.
You can call or write us for any clarification.
Thanks & Regards,
Puneet Sharma
M: +91.8196980555
E-mail:-(itcindiaone@gmail.com)
ITC India Pvt. Ltd.