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Approved Method: Photometric Testing of Roadway and Area Lighting Fluorescent Luminaires

Photometric Testing of Roadway and Area Lighting Fluorescent Luminaires

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ANSI/IES LM-10-20
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-10-20 Category: Tag:

Product Description

Approved American National StandardThis document defines adequate and uniform methods for measuring and reporting the photometric characteristics of roadway and area lighting fluorescent luminaires. It describes characteristics of these luminaires and some components, as well as the requirements for the thermal environment and proper control of the electrical and mechanical systems involved. General test conditions and the testing procedure best suited for achieving accurate and consistent photometric results are defined. The test procedures for luminaires using fluorescent lamps described herein can utilize either absolute or relative photometry methods.

Page count: 38 pages
Publisher: Illuminating Engineering Society (2020)
SKU: ANSI/IES LM-10-20
ISBN-13: 978-0-87995-008-8

Chapters:

  • 1.0 Introduction 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 Test Report

 
Citation Format:
Illuminating Engineering Society. ANSI/IES LM-10-20, Approved Method: Photometric Testing of Roadway and Area Lighting Fluorescent Luminaires. New York: IES; 2020.

CONTENTS

  • 1.0 Introduction and Scope
  • 1.1 Introduction
  • 1.2 Scope
  • 2.0 Normative References
  • 2.1 ANSI/IES LM-9-20
  • 2.2 ANSI/IES LM-28-20
  • 2.3 ANSI/IES LM-54-20
  • 2.4 ANSI/IES LM 66-20
  • 2.5 ANSI/IES LS-1-20
  • 3.0 Nomenclature and Definitions
  • 3.1 area lighting
  • 3.2 pre-burning
  • 3.3 test distance
  • 3.4 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 Axially Symmetric Lamps
    6.4.3 Matching Multiple Lamps in Luminaires
    6.4.4 Lamp Seasoning, Pre-burning and Stabilization
  • 6.5 Test Methodologies
    6.5.1 General
    6.5.2 Bare Lamp Measurement Conditions
    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
  • Annex A – Zonal Constants for Conversion
  • Annex B – Photometry of Luminaires Utilizing Extra High Output Fluorescent Lamps
  • Annex C – Procedure for Computing Isoilluminance Curves
  • Annex D – Computing Utilization Efficiency
  • Annex E – Example Photometric Report
  • Annex F – Table of Constants for Horizontal Illuminance
  • Annex G –Temperature Correction Factors
  • Additional Reading
  • Informative References