LM 79 Test Laboratory for LED Street Light
ITC India NABL Accredited Electrical Safety Testing Laboratory provide LM-79 Testing for LED Street Light (45W & 60W) includes accreditation for Solid State Lighting Luminaires, Total Flux Measurements (Luminous Efficacy) & Solid State Lighting Luminaires, Luminous Intensity Measurements.
The Testing to be conducted is as follows(Testing as per standard):-
Test to be conducted under LM 79:
- Measurement of Total Luminous Flux & Luminous Efficacy
- Color Characteristics (Chromaticity Coordinates, Correlated Color Temperature & Color Rendering Index)
- Light Intensity Distribution Test
IES LM-79-08 Testing Parameters, LM-79 Testing Approved Method: Electrical and photometric Measurements of Solid-state Lighting Product
LM-79 Test 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)
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
