L70 is a lifetime measurement criteria developed by iesna illuminating engineering society of north america to evaluate the useful lifetime of an led luminaire in terms of the expected number of operating hours until the light output has diminished to 70% of initial. Lighting manufacturers should be aware of the latest us department of energy doe regulations and test methods for led lamps in the united states. Led drive characteristics have been updated to include pulse width modulated current, dc constant voltage and ac regulated voltage drive. This test may not be duplicated or used in part without prior written consent from bay area compliance laboratories corp. Labspheres tocs led measurement system conforms to lm79. Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for. Highperformance leds produce 4000 lumens and are rated to maintain 70% of light output at 50,000 hours of service. The standards apply to lifetime projection of led package, array or. Vektrex lm80 systems are also applicable for use with laser diodes.
Each sample is soldered to all of the reliability stress boards for a given set of iesna lm80 tests. The main purpose is that measure and records the led lumen maintenance change along with time, in other word, it is applied to test led aging life. Illuminating engineering society the lighting authority. Lumen maintenance launching the energy iesna lm 80. Measuring luminous flux and color maintenance of led. See lighting facts labels for specific fixture performance. Measuring luminous flux and color maintenance of led packages, arrays and modules published by ies on june 26, 2015 ansiies lm 80 15 provides the methods for measurement of luminous flux and color maintenance for led packages, arrays, and modules. Lumen maintenance launching the energy iesna lm 80 2008 iesna. Light laboratory has made strides to stay current with the new testing standard lm79 set forth by the iesna illuminating engineering society of north america. Lm 80 provides no determination or estimation of expected life or lumen output beyond test data. Epa energy star manufacturers guide requires l70 of 25,000 or 35,000 hours.
The end point of the extrapolation is typically 70% of the initial light output. R2dg14111005310 page 5 of 9 iesna lm8008 test report 1. This is the main test for the optical performance testing. Iesna approved method for measuring lumen maintenance of led light. Light laboratory is an nist nvlap accredited testing for lm79 lab code. Iesnalm80 measuring lumen maintenance of led light sources is an.
Lm80, lm79, tm21, istmt green creative your partner. Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for edison opto corporation 4f,no. It is the illuminating engineering society of north america iesna approved standard for measuring lumen maintenance of led light sources. Ies lm84 approved method for measuring luminous flux and. Rsz150414502106000 page 6 of 15 iesna lm8008 test report 1. This report is valid only with a valid digital signature. Ies lm84 approved method for measuring luminous flux.
Lm 79 is the illuminating engineering society of north america iesna approved method for taking electrical and photometric measurements of solidstate lighting ssl products. Ies approved method for measuring lumen maintenance of led light sources. It covers total flux light output, electrical power, efficacy, chromaticity, and intensity distribution. While lm79 measures several aspects of a complete fixture, lm 80 solely measures the lumen depreciation of the led module. Therefore, l70 lifetime is defined by illuminating engineering society standard lm 80 08, entitled ies approved method for measuring lumen maintenance of led light sources. The tocs complies with iesna lm79 and lm80 standards, delivering accurate and reproducible led measurements. Precision diecast aluminum, lens frame and mounting arm. In recent times, the term lm79 testing has become part of our lighting. Led samples for iesna lm80 testing consist of units built from a minimum of three manufacturing lots with each manufacturing lot built from different wafer lots.
Aug 26, 2010 labspheres tocs system conforms to iesna lm79 and lm80 recommendations for led characterization. Rsz140217504109000 page 5 of iesna lm8008 test report 1. Lm 79 technical report lm 79 and lm 80 november 30, 2009. So lpce2 has two software, one is to test the luminous flux, color. At the center of the solar system, there is a smoldering ball of plasma that permits planetary orbit and helps sustain life. Optical and electrical measurements of solidstate lighting products, helps measure lightemitting diode led and organic lightemitting diode oled products. Tests according to lm79, lm80, tm21, istmt and tm30. Once the lm80 test is completed, the method recommended by iesna is applied to extrapolate the degradation of the luminous flux of a module or led luminaire, based on the data collected according to lm80. R2dg15012005610 page 6 of 15 iesna lm8008 test report 1.
The digital signature may be available only under the adobe software above version 7. The lm7908 is an american standard created by the ies illuminating engineering society of north america in 2008. Method for electrical and photometric \rmeasurements of general service incandescent filament \rlamps\r10 cfr 430 subpart b. The scope within this ansiies lm 8015 has been expanded to include tests for three types of flux maintenance along with tests for how chromaticity changes over time. Iesnalm80 for led lumen maintenance test lisun lisun group. Vektrex lm80 systems are optimized for lm8008 and lm8015 compliance testing for low, mid and high power leds, modules, cobs, and arrays operating in infrared, visible, or uv. Observations of led light source failures including failure observations of led light source failures.
Lumen maintenance testing, lm80 testing provided by led package. Find the most uptodate version of ies lm 79 at engineering360. Rsz14090850110 page 5 of iesna lm8008 test report 1. The document covers luminous, radiant, or photon flux maintenance. R2dg15012005610 page 4 of 15 iesna lm8008 test report 1. Optimized using computational fluid dynamics software to ensure long led and driver lifespan. Lm80 provides no determination or estimation of expected life or lumen output beyond test data.
Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for samsung electronics co. Iesna lm79 electrical and photometric measurements of solidstate lighting products is a standard made by illuminating engineering society of north america. Iesna lm7908 test report at time 0 and 6,000 hours respectively. Measuring luminous flux and color maintenance of led packages, arrays, and modules. Star reference lm79 procedures, it is not in and of itself a lighting program with. Lm 79 measures a luminaire or integral lamp as a system and measures light output flux, electrical power, chromaticity. Rab led luminaires and led components have been tested by an independent laboratory in accordance with iesna lm79 and lm80. Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for shineon beijing technology co. Led lumen maintenance optical aging chamber for ieslm80 ies. Ies lm7908 measurement and test report for statement. This report must not be used by the customer to claim product certification, approval, or endorsement by nvlap, nist, or any agency of the u. Ies lm7908 measurement and test report for soraa,inc 6500 kaiser dr. The standard does not provide guidance for extrapolation of testing results.
Iesna lm80 measuring lumen maintenance of led light sources is an approved method by lighting engineering association of north america iesna for the third generation ssl products. For a current lm80 luminaire testing and angular distribution of light measurement services price list, or if you. Lm79, lm82, lm84 testing the illuminating engineering society of north america iesna approved method for electrical and photometric measurement of solid state lighting products lm7908 is a guide developed for the measurement of solidstate led lighting products. Bk lighting and teka illumination will provide iesna lm79 testing reports for all of our bkssl technology so that the designer can determine the suitability of our.
Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for shenzhen jufei optoelectronics co. Lm79 is an approved method by the illuminating engineering society of north america iesna,for taking electrical and photometric measurements of ssl products. For a current lm 80 luminaire testing and angular distribution of light measurement services price list, or if you have any question about lm 80 please contact us. Vektrex actively participates on the lm80 committee, chairing the lm80 working group moving this standard through the acceptance process and into ieee acceptance.
Lm80, lm79, tm21, istmt green creative your partner for. It is the illuminating engineering society of north america iesna approved method for taking lm 80 data and making useful led lifetime projections. Therefore, l70 lifetime is defined by illuminating engineering society standard lm8008, entitled ies approved method for measuring lumen maintenance of led light sources. Iesna lm 80 2008 iesna lm80kevin dowling, phd chairman, testing procedures ssl committee. The illuminating engineering society of north america iesna approved method for.
This is the abbreviation of the illuminating engineering society of the north america. Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for eiko global, llc 23220 w 84th street, shawnee, ks 66227 model. Labspheres tocs system conforms to iesna lm79 and lm80 recommendations for led characterization. Ies standard file format for the electronic transfer of photometric data and related information. Labspheres tocs led measurement system conforms to lm79 and. Lm80, lm79, l70 and tm21, what are the differences for. Led lifespan based on iesna lm8008 results and calculated per iesna tm2111 methodology. Ies lm7908 measurement and test report for eiko global, llc 23220 w 84th st shawnee, ks 66227 test model. In order to adapt to the standard, lisun developed the lpce2lms9000a high accuracy spectroradiometer and integrating sphere test system, this system not only meet the requirements of cie, en and lm79 clause 9. Lm79 testing captures performance characteristics of products that feature.
Available in a range of integrating sphere sizes from 20 to 76 inches, the tocs systems are designed for both 2pi and 4pi measurement geometries. Find the most uptodate version of ies lm79 at engineering360. According to iesnalm79, how to choose the integrating. It is generally established that the human eye is only sensitive to lumen depreciation of 30% or more. The north american lm79 and lm80 standards have been around for some. Once the lm80 test is completed, the method recommended by iesna is applied to. Understanding lm79 reports office of energy efficiency. Rsz14041850810 page 5 of iesna lm8008 test report 1. R2dg150420060109000 page 5 of 15 iesna lm8008 test report 1. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Ies lm7908 measurement and test report for soraa inc. Measuring luminous flux and color maintenance of led packages, arrays and modules published by ies on june 26, 2015 ansiies lm8015 provides the methods for measurement of luminous flux and color maintenance for led packages, arrays, and modules. Lm79 lm82 lm84 independent testing laboratories, inc. Tests according to lm79, lm80, tm21, istmt and tm30 asselum.
Iesna lm802008 measuring lumen maintenance of led light sources measurement and test report for edison opto corporation 4f, no. Vektrex offers complete lm80 test solutions that meet all iesna and energy star testing criteria. Led samples for iesna lm80 testing consist of units built from a minimum of three manufacturing lots with each manufacturing lot built from different wafer lots built on nonconsecutive days. Each ts test condition is, 15, 16, 12pcs the samples tested at t. Rsz9508109000 page 5 of iesna lm8008 test report 1. Energy star manufacturers guide for qualifying solid state. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. The north american lm79 and lm80 standards have been around for some time and are useful in characterising the performance of led products. It was approved because it achieved the lighting energy efficiency standards required by this body. Maintenance optical aging chamber is according to ies lm79, ies lm80. The lm 80 standard calls for operating a set of led devices for a minimum of 6,000 hours under well controlled operating conditions e. Drm is included at the request of the publisher, as it helps them protect their by restricting file.
Aug 25, 2010 the tocs complies with iesna lm79 and lm80 standards, delivering accurate and reproducible led measurements. Lm909 electrical and photometric measurements of fluorescent lamps. The lm80 standard calls for operating a set of led devices for a minimum of 6,000 hours under well controlled operating conditions e. Secure pdf files include digital rights management drm software. L70 lifetime is dependent upon many variables, such as the operating temperature, drive current, and the technology and materials used to construct the products. These manufacturing lots are picked to represent a wide parametric distribution. Base on the normal function, lisuns engineer developed new software to meet the. America iesna approved method for taking lm80 data and making useful. Iesna,for taking electrical and photometric measurements of ssl products. R2dg51505010 page 5 of iesna lm8008 test report 1. Lm 8008 apply to the led package, array, or module alone, not a complete system, it is testing a component level.
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