How to do LM-79 Testing?

ITC India NABL Accredited Electrical Safety Testing Laboratory Providing LM-79 tesing service in India, Mumbai, Ahmedabad, New Delhi, Pune, Ambala, Ludhiana, Panchkula, Mohali, Baddi, Chennai, Bangalore,

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)

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

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Tested By: Dharminder Chauhan, click Here to follow on linkedin Dharmendra Chauhan Testing Expert

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Puneet Sharma
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ITC India Pvt. Ltd.