Bookstore

Announcements

2011-12 IES Roadshow Schedule
Click Here >

The Lighting Handbook, 10th Edition
PDF version >
Print version >

Standard 189.1 Design of High-Performance Green Buildings >

Advanced Energy Design Guides: Free Download >

TM-23-11 - Lighting Control Protocols: Free Download >

Model Lighting Ordinance – 2011/Addendum 1: Free Download >

Stay Connected >

2012 IES Research Symposium >
March 6 & 7, 2012 | Washington, D.C.

IES Shop >> Guideline for the Application of General Illumination (“White”) Light-Emitting Diode (LED) Technologies >> Luminaire Classification System for Outdoor Luminaires >> Advanced Energy Design Guide for K-12 School Buildings >> Lighting for Hospitals and Health Care Facilities >> Office Lighting >> Lighting for Educational Facilities >> Stage Lighting - A Guide to Planning Theatres and Auditoriums >> Electrical and Photometric Measurements of Fluorescent Lamps >> Light + Design: A Guide to Designing Quality Lighting for People and Buildings >> Fundamentals of Lighting - Student Version >> LD+A >> Guidelines >> Design Guides >> Lighting Books >> Lighting Handbooks >> Technical Memoranda >> Educational Material >> Other IES Publications >> Lighting Energy Management >> Lighting Publication Packages >> Measurement Testing & Calculation Guides >> Recommended Practices and ANSI Standards >> Educational Material for Students >> Lighting and the Visual Environment for Senior Living >> Approved Method: Measuring Lumen Maintenance of LED Light Sources*

Cart Items: 0 Total: $0.00

February 03, 2012

Search Products

Departments

Educational Material

Lighting Energy Management

Design Guides

Guidelines

Measurement Testing & Calculation Guides

Technical Memoranda

Lighting Publication Packages

Other IES Publications

LD+A

Lighting Books

Approved Method: Measuring Lumen Maintenance of LED Light Sources*

Click To Enlarge

*LIGHTFAIR 2009 Judges Citation Award recipient

2008 - 7 Pages
8 1/2 x 11 Softcover
ISBN: 978-0-87995-227-3
LM-80-08

Product ID: LM-80-08

Price: $25.00
Member Price: $17.50

Product Detailed Description

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

Also of interest: LM-79-08 Approved Method: Photometric Measurements of Solid State Lighting Products

Order Status | Contact Us