Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

IES TM 21 : 2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PROJECTING LONG TERM LUMEN MAINTENANCE OF LED LIGHT SOURCES
Available format(s)

Hardcopy , PDF

Superseded date

01-10-2019

Published date

01-01-2011

Introduction
1.0 Scope
2.0 Normative References
3.0 Definitions
4.0 Test Data and Sample Size
5.0 Lumen Maintenance Life Projection
6.0 Temperature Data Interpolation
7.0 Report
Annex A - Rationale for the Recommended Data Extrapolation
Annex B - Sample Size Selection for Data Extrapolation
Annex C - Least Squares Formula
Annex D - Limit for Duration of Prediction
Annex E - Data Test Set for Validation of Calculation - Examples
Annex F - Consideration of Manufacturer's Prediction Model
Annex G - Analysis of Mathematical Modeling as a Method of
          Projecting Lumen Maintenance Life
Informative References

Specifies recommendations for projecting long term lumen maintenance of LED light sources using data obtained when testing them per IES LM-80-08, 'IES Approved Method for Measuring Lumen Maintenance of LED Light Sources.'

DevelopmentNote
Also available in French translation, see IES TM 21 FRENCH. Also available in Spanish translation, see IES TM 21 SPANISH. (10/2017)
DocumentType
Standard
Pages
39
PublisherName
Illuminating Engineering Society
Status
Superseded
SupersededBy

MIL-DTL-16377 Revision J:2014 Fixtures, Lighting; and Associated Parts; Shipboard Use, General Specification for
NEMA LSD 68-2013 REMOTE PHOSPHOR DEVICES USED IN LED LAMPS, ENGINES AND LUMINAIRES
NEMA LSD 63 : 2012 MEASUREMENT METHODS AND PERFORMANCE VARIATION FOR VERIFICATION TESTING OF GENERAL PURPOSE LAMPS AND SYSTEMS
UFC 3-530-01 : Change 3 UNIFIED FACILITIES CRITERIA - INTERIOR AND EXTERIOR LIGHTING SYSTEMS AND CONTROLS
IES TM 28 : 2014 PROJECTING LONG-TERM LUMINOUS FLUX MAINTENANCE OF LED LAMPS AND LUMINAIRES
IES LM 80 SPANISH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
IES RP 4 : 2013 RECOMMENDED PRACTICE FOR LIBRARY LIGHTING
IES LM 80 FRENCH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
IES TM 26 : 2015 METHODS FOR PROJECTING CATASTROPHIC FAILURE RATE OF LED PACKAGES
IES RP 30 : 2017 RECOMMENDED PRACTICE FOR MUSEUM LIGHTING
IES TM 16 : 2017 SOLID STATE LIGHTING SOURCES AND SYSTEMS
IES RP 7 : 2017 RECOMMENDED PRACTICE FOR LIGHTING INDUSTRIAL FACILITIES
IES LM 84 : 2014 APPROVED METHOD: MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED LAMPS, LIGHT ENGINES, AND LUMINAIRES
SAE J 2938 : 2017 LED LIGHT SOURCES TESTS AND REQUIREMENTS STANDARD
IEC 63013:2017 LED packages - Long-term luminous and radiant flux maintenance projection
15/30327740 DC : 0 BS EN 63013 - LED PACKAGES PACKAGES - LONG-TERM LUMINOUS FLUX MAINTENANCE PROJECTION
IES LM 80 : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
SAE ARP 6259 : 2016 LED REPLACEMENT FOR INCANDESCENT/HALOGEN BULBS OR FLUORESCENT LAMPS TRANSPORT CATEGORY AIRCRAFT AND ROTORCRAFT
SAE ARP 1283 : 2014 CARGO COMPARTMENT LIGHTING FOR TRANSPORT CATEGORY AIRCRAFT AND ROTORCRAFT

IES LM 80 : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
IES RP 16 : 2010 NOMENCLATURE AND DEFINITIONS FOR ILLUMINATING ENGINEERING

View more information
$65.47
Including GST where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more