Approved Method: Photometric Testing of Roadway and Area Lighting Luminaires Using Incandescent Filament or High Intensity Discharge Lamps

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ANSI/IES LM-31-20 (R2023)
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-31-20 (R2023) Category:

Product Description

Approved American National StandardThis guide defines adequate and uniform methods for measuring and reporting the photometric characteristics of roadway and area lighting luminaires using incandescent filament or high intensity discharge lamps. Learn how to identify characteristics of luminaires and some components, as well as the requirements for the thermal environment and proper control of the electrical and mechanical systems involved.

Page count: 35 pages
Publisher: Illuminating Engineering Society (2023)
SKU: ANSI/IES LM-31-20 (R2023)
ISBN-13: 978-0-87995-078-1

Chapters:

  • 1.0 Objective and Scope
    2.0 Normative References
    3.0 Nomenclature and Definitions
    4.0 Physical and Environmental Test Conditions
    5.0 Electrical Test Conditions
    6.0 Testing Procedure Requirements
    7.0 Reporting of Data

Citation Format:
Illuminating Engineering Society. ANSI/IES LM-31-20 (R2023), Approved Method: Photometric Testing of Roadway and Area Lighting Luminaires Using Incandescent Filament or High Intensity Discharge Lamps. New York: IES; 2023.

CONTENTS

  • 1.0 Introduction and Scope
  • 1.1 Introduction
  • 1.2 Scope
  • 2.0 Normative References
  • 2.1 ANSI/IES LM-28-20
  • 2.2 ANSI/IES LM-45-20
  • 2.3 ANSI/IES LM-51-20
  • 2.4 ANSI/IES LM-54-20
  • 2.5 ANSI/IES LS-1-20
  • 3.0 Nomenclature and Definitions
  • 3.1 auxiliary Equipment
  • 3.2 area lighting
  • 3.3 pre-burning
  • 3.4 test distance
  • 3.5 units
  • 4.0 Physical and Environmental Test Conditions
  • 4.1 General
  • 4.2 Temperature
  • 4.3 Airflow
  • 4.4 Stray Light
  • 4.5 Vibration
  • 5.0 Electrical Test Conditions
  • 5.1 Power Supply Requirements
    • 5.1.1 Primary Source Voltage
    • 5.1.2 Power Supply Wave Shape
    • 5.1.3 Power Supply Regulation
  • 5.2 Reference Circuit Requirements
  • 5.3 Measurement Instrument Requirements
  • 6.0 Testing Procedure Requirements
  • 6.1 General
    • 6.1.1 Goniophotometer
  • 6.2 Test Distance
  • 6.3 Selection and Preparation of Luminaire
    • 6.3.1 Luminaire, Lamp, and Ballast Selection
    • 6.3.2 Cleaning of Luminaire Optical Parts
  • 6.4 Test Lamps
    • 6.4.1 General
    • 6.4.2 Lamp Seasoning
    • 6.4.3 Test Lamp Operation
  • 6.5 Test Methodologies
    • 6.5.1 General
    • 6.5.2 Bare Lamp Measurement
    • 6.5.3 Lamp Photometric Calibration Process
    • 6.5.4 Luminaire Photometry
    • 6.5.5 Photometric Data Processing
  • 7.0 Test Report
  • 7.1 General
  • 7.2 Test Description