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IES TM 28 : 2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

PROJECTING LONG-TERM LUMINOUS FLUX MAINTENANCE OF LED LAMPS AND LUMINAIRES

Available format(s)

Hardcopy , PDF

Superseded date

27-05-2022

Superseded by

ANSI/IES TM-28:2020

Language(s)

English

Published date

01-01-2014

€22.43
Excluding VAT

1.0 Scope
2.0 Normative References
3.0 Definitions
4.0 Samples and Test Data
5.0 Luminous Flux Maintenance Projection
6.0 Report
Annex A - LED Forward Current in the Combined
          Extrapolation Method
Annex B - Derivation of the Formulas Used for Combined
          Extrapolation Method
Annex C - Example of the Combined Extrapolation Method
Annex D - Statistical Modeling
Informative References

Defines the methods for projecting long-term luminous flux maintenance of LED lamps and luminaires using data obtained when testing them per IES LM-84-14 Approved Method for Measuring Lumen and Color Maintenance of LED Lamps, Light Engines, and Luminaires, as well as data when testing LED sources per IES LM-80-08 Approved Method for Measuring Lumen and Color Maintenance of LED Light Sources.

DocumentType
Standard
Pages
21
PublisherName
Illuminating Engineering Society
Status
Superseded
SupersededBy

IES LM 80 SPANISH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
IES LM 80 FRENCH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
IES TM 16 : 2017 SOLID STATE LIGHTING SOURCES AND SYSTEMS
IES LM 80 : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES

IES TM 21 : 2011 PROJECTING LONG TERM LUMEN MAINTENANCE OF LED LIGHT SOURCES
IES LM 84 : 2014 APPROVED METHOD: MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED LAMPS, LIGHT ENGINES, AND LUMINAIRES
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
IES LM 79 : 2008 ELECTRICAL AND PHOTOMETRIC MEASUREMENTS OF SOLID-STATE LIGHTING PRODUCTS

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