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Mil-Aero Industry - Support

9
  • Search Measurement Standards

Found

Details

LM-85-14
IES Approved Method for Electrical & Photometric Measurements of High Power LEDs
LM-9-09
Electrical and Photometric Measurements of Fluorescent Lamps
MIL-STD-461
MIL-STD-462
MIL-STD-464 HERO Testing
RTCA DO-160
AECTP 500 (STANAG 4370)
MIL-DTL-38999
General Specifications for Electrical Circular Connectors
MIL-DTL-83526
General Specification for Fiber Optic Circulars Connector, Hermaphroditic
LM-85-14
01-Jan-2014
IES Approved Method for Electrical & Photometric Measurements of High Power LEDs
This document describes the procedures to be followed and precautions to be observed in performing accurate measurements of total luminous flux, total radiant flux (optical power), total photon flux, electrical power, luminous efficacy, color quantities, and wavelength characteristics of high-power light emitting diodes (LEDs) including white LEDs as well as single color LEDs. This document covers LED packages (defined in ANSI/IES RP-16-10) including those with multiple chips and remote-phosphor LED packages. This document covers measurement under pulse operation as well as steady DC operation of LEDs, and in all cases, the thermal condition of LEDs refers to their junction temperature. The approved methods apply to laboratory measurements.
 
This document does not cover LED arrays or modules, nor LED lighting products; it does not cover AC driven LEDs, and does not apply to measurements in LED manufacturer’s production control nor relative measurements of LED thermal characteristics.
 
 
Contents
Scope
Normative References
Definitions
Preparation for Measurements
Methods of Measurement under Pulse-Mode Operation of DUT
Method of Measurement under DC-Mode Operation of DUT
Optical Measurement and Equipment
Electrical Measurement and Equipment
Test Report
References
Annex A Pulse-Mode and DC-Mode Methods for LED Operation
Annex B Estimation of Tj Rise and Correction
Annex C Caution for Optical Measurement Instruments for Pulse-Mode Methods
Annex D Integrating Sphere and Goniophotometer
Annex E Integrating Sphere Geometries and Calibration Methods
Annex F General Design of Integrating Spheres
Annex G Self-Absorption Correction
Annex H Calibration of Sphere-Spectroradiometer
Annex I Use of Spectroradiometer
Annex J Other Sources of Error
Annex K Sphere-Photometer System
Annex L Goniophotometric Method for Total Luminous Flux

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