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IES LM 84 2014

IES LM 84 2014

$27.08

IES LM-84 Approved Method: Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, and Luminaires

Published By Publication Date Number of Pages
IES 2014 14
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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.

PDF Catalog

PDF Pages PDF Title
1 Cover
3 Copyright
4 Lighting Subcommittee of theIESNA Testing Procedures Committee
6 Contents
8 INTRODUCTION
1.0 Scope
2.0 NORMATIVE REFERENCES
3.0 DEFINITIONS
3.1 Device Under Test (DUT)
3.2 Luminous Flux Maintenance
3.3 Maintenance Test
3.4 Non-Operational DUT
4.0 PHYSICAL AND ENVIRONMENTALCONDITIONS DURING OPERATIONAND HANDLING
4.1 General
4.2 Mounting DUTs
4.3 Vibration
9 4.4 Ambient Temperature During MaintenanceTest
4.5 Humidity
4.6 Air Movement
4.7 Operating Orientation
5.0 ELECTRICAL CONDITIONS
5.1 Input Voltage
5.2 AC Line Voltage Wave Shape
5.3 Line Impedance
5.4 Line Voltage Regulation
5.5 Wiring
6.0 PHOTOMETRIC AND THERMALMEASUREMENT PROCEDURE
6.1 Photometry Measurement
6.2 LED Source In-Situ Case TemperatureMeasurement
10 7.0 MAINTENANCE TEST PROCEDURES
7.1 Seasoning or Aging
7.2 Handling
7.3 Marking
7.4 Operating Cycle
7.5 Timekeeping
7.6 Operating Duration and MeasurementIntervals
7.7 Operation of Dimmable or ControllableDUTs
7.8 Reporting Non-Operational DUTs
8.0 TEST REPORT
8.1 Administrative Information
11 8.2 DUT Identification
8.3 Physical and Ambient Conditions
8.4 Deviations
8.5 Maintenance Test Duration (in Hours)
8.6 Measurement Intervals (in Hours)
8.7 Non-operational DUTs
8.8 Results
8.9 Other Typical Items
12 ANNEX A RECOMMENDATIONS FORMEASUREMENT OF IN-SITU CONDITIONSLED CASE TEMPERATURE, Ts
A1 Basic Assessment
A2 Symmetry Conditions
13 A3 Thermocouples
A4 Maximum Ts Values
ANNEX B RATIONALE FOR NOT DESCRIBINGMAINTENANCE TEST DURATIONAND MEASUREMENT INTERVALS
ANNEX C CHECKING ANDRECORDING NON-OPERATIONAL DUTSDURING MAINTENANCE TEST
INFORMATIVE REFERENCES

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IES LM 84 2014
$27.08