Standards & Approvals
EnergyStar®
Heatron supports the work and standards of the DOE Energy Star® and CALIPER programs. Because the LED fixture market has grown so quickly there were no standard methods for testing and evaluating fixture performance. As a result, the performance claims of some LED products were overstated leading to disappointment and distrust of the end user. The DOE programs provide a basis for uniform and objective measurement of LED fixture performance and a means of sample testing fixtures offered to the broad market, thus instilling confidence in the end user when making a buying decision.
- Heatron is able to design and produce lighting fixtures that meet EnergyStar® requirements.
- The DOE EnergyStar® Solid State Lighting program went into effect on September 12, 2008
- Additional fixture categories are being added in 2009 by the DOE including LED replacement lamps
- Along with EnergyStar®, two supporting test procedures have been finalized: LM-79 which describes how to measure LED fixture light output, and LM-80 which describes how to measure lumen depreciation.
Visit http://www.energystar.gov for more information.
Lighting Facts
The LED Lighting Facts® is a program of the U.S. Department of Energy that showcases LED products for general illumination from manufacturers who commit to testing products and reporting performance results according to industry standards. For lighting buyers, designers, and energy efficiency programs, the LED Lighting Facts label provides information essential to evaluating products and identifying the best options.
UL 8750
These requirements cover LED equipment that is an integral part of a luminaire or other lighting equipment and which operates in the visible light spectrum between 400 – 700 nm. These requirements also cover the component parts of light emitting diode (LED) equipment, including LED drivers, controllers, arrays, modules, and packages as defined within this standard.
http://ulstandardsinfonet.ul.com/scopes/scopes.asp?fn=8750.html
LM 79
This approved method describes the procedures and precautions for performing reproducible measurements of total luminous flux, electrical power, luminous intensity distribution and chromaticity of solid-state lighting (SSL) products for illumination purposes under standard conditions.
- Covers LED-based SSL products with control electronics and heat sinks incorporated. It does not cover external operating circuits or external heat sinks (e.g., LED chips, LED packages, and LED modules)
- Uses absolute photometry rather than relative photometry (historically the lighting industry standard) for the measurement of SSL
For more information go to http://www.ies.org
LM 80 & TM 21
The purpose of LM-80-08 is to allow a reliable comparison of test results among laboratories by establishing uniform test methods. It addresses the measurement of lumen maintenance testing for LED light sources including LED packages, arrays and modules only. It does not provide guidance or recommendations regarding prediction estimations or extrapolations for lumen maintenance beyond the limits of the lumen maintenances determined from actual measurements.
Contents: Definitions/Ambient Physical Conditions/Electrical and Thermal Conditions/Test and Measurement Procedures/Lumen Maintenance Testing Method for LED Sight Sources/Test Report
TM 21 recommends a method for projecting the lumen maintenance of LED light sources from the data obtained by the procedures found in IES document LM-80-08 Approved Method for Measuring Lumen Maintenance of LED Light Sources.
LED light sources provide a very long usable life but light output gradually depreciates over time. TM-21-11 provides the method for determining when the “useful lifetime” of an LED is reached, a point when the light emitted from an LED depreciates to a level where it is no longer considered adequate for a specific application. Lumen maintenance of LEDs can vary from manufacturer to manufacturer and between different LED package types produced by a single manufacturer.
For more information go to http://www.ies.org
