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Materials Industry - Support

47
  • Search Measurement Standards

Found

Details

LM-81-10
Photometric Testing of Skylights and Tubular Daylighting Devices under Hemispherical Sky Conditions
LM-40-10
Life Testing of Fluorescent Lamps
LM-47-12
IES Approved Method For Life Testing of High Intensity Discharge (HID) Lamps
LM-49-12
Life Testing of Incandescent Filament Lamps
LM-51-13
Electrical and Photometric Measurement of High Intensity Discharge Lamps
LM-58-13
IES Approved Method for Spectroradiometric Measurement Methods for Light Sources
LM-84-14
IES Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, a
LM-41-14
Approved Method for Photometric Testing Of Indoor Fluorescent Luminaires
LM-66-14
Electrical and Photometric Measurements of Single-Based Fluorescent Lamps
LM-65-14
IES Approved Method for Life Testing of Single-Based Fluorescent Lamps
First 2 of 5 Last Show: 10, 20, 30, All
LM-84-14
01-Jan-2014
IES Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, a
This document provides the method for measurement of luminous flux and color maintenance of LED lamps, integrated; LED lamps, non-integrated; LED light engines, and LED luminaires. The method describes the procedures to be followed and the precautions to be observed in obtaining and reproducing luminous flux and color maintenance measurements under standard operating conditions. This approved method does not provide guidance or recommendations regarding sampling, predictive estimations or extrapolation of luminous flux maintenance beyond the final measurement.
 
Contents
Scope
Normative References
Definitions
Physical and Environmental Conditions
Electrical Conditions
Photometric and Thermal Measurement Procedure
Maintenance Test Procedures
Test Report
Annex A Recommendations for Measurement of In-Situ Conditions LED Case Temperature, Ts
Annex B Rationale for not describing Maintenance Test Duration and Measurement Intervals
Annex C Checking and Recording Non-Operational DUTs During Maintenance Test
Informative References

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