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LM-79 test

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1. Introduction to LM-79 certification

IES LM-79 is the optical and electrical measurement method for solid-state lighting products.

Note: Solid-state lighting products are defined in the standard as using LEDs (including organic or inorganic LEDs) as the radiation source, and the light emitted is products for general lighting.


2. LM-79 certification test scope

Solid-state lighting products based on LED technology include control circuits and heat dissipation parts, so the products only need AC mains or DC constant voltage power supply to operate.


It is not suitable for solid-state lighting products that require external control circuits or heat sinks, such as LED chips, LED packaging products, and LED modules.


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3. LM-79 certification test items

1. Photometric test items

Total luminous flux

Light effect

Light intensity distribution

Color coordinates

Correlated color temperature (CCT)

Color rendering index (CRI)



2. Electrical test items

AC/DC input effective current

AC/DC input effective voltage

Voltage input frequency (AC)

Power factor PF(AC)



4. Information required for LM-79 certification

Provide samples, product application form


5. LM-79 certification test cycle

After getting the sample and opening the case, the report can be issued within 1 day


6. LM-79 certification handling company


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Meide detects NVLAP qualification


Meide Testing, a laboratory authorized by the US NVLAP agency, has a large-scale testing base of 5000 square meters and excellent lamp energy efficiency testing equipment, and a team of more than 100 senior engineers performs 24H continuous testing. After receiving the samples and opening the case, the LM- can be issued within one day. 79 reports, allowing you to quickly seize the market.


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Tel:+86-0769-85075888 to 6565

Fax:+86-0769-85075898

Address:1st floor, B Area, Jinbaisheng Industrial Park, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China.

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