Approved Method: Photometric Testing of Indoor Luminaires Using High Intensity Discharge or Incandescent Filament Lamps

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ANSI/IES LM-46-20(R2023)
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-46-20(R2023) Category:

Product Description

Approved American National StandardIntended to promote uniform test results as obtained under controlled laboratory conditions in measuring the luminous flux and intensity of high intensity discharge (HID) and incandescent indoor-type luminaires. This includes the photometry of luminaires with high intensity discharge (HID) lamps, including mercury vapor, high-pressure sodium (HPS), or metal halide lamps, as well as similar luminaire types employing incandescent lamps, including tungsten-halogen lamps.

Page count: 15 pages
Publisher: Illuminating Engineering Society (2023)
SKU: ANSI/IES LM-46-20(R2023)
ISBN-13: 978-0-87995-211-2

Chapters:

  • 1.0 Introduction and Scope
    2.0 Selection of Lamps
    3.0 Selection of Luminaires
    4.0 Test Conditions
    5.0 Preparation of Equipment for Test
    6.0 Test Procedure
    7.0 Photometric Measurement
    8.0 Indirect Luminaires
    9.0 Reporting Test Data
    10.0 Use of Computers and the IES Standard Format

Citation Format:
Illuminating Engineering Society. ANSI/IES LM-46-20(R2023), Approved Method: Photometric Testing of Indoor Luminaires Using High Intensity Discharge or Incandescent Filament Lamps. New York: IES; 2023.

CONTENTS

  • 1.0 Introduction and Scope
    • 1.1 Introduction
    • 1.2 Scope
  • 2.0 Selection of Lamps
  • 3.0 Selection of Luminaires
  • 4.0 Test Conditions
    • 4.1 Extraneous Light
    • 4.2 Ambient Temperature
    • 4.3 Air Movement
    • 4.4 Lamp Seasoning
    • 4.5 Test Lamp Operation
    • 4.6 Test Distance
    • 4.7 Electrical Requirements
    • 4.8 Instrumentation
    • 4.9 Goniophotometer
    • 4.10 Photodetectors
  • 5.0 Preparation of Equipment for Test
    • 5.1 Luminaire Positioning on a Goniophotometer – General
  • 6.0 Test Procedure
    • 6.1 Photometric Calibration
  • 7.0 Photometric Measurement
    • 7.1 Angles for Measurement
    • 7.2 Planes for Measurement
  • 8.0 Indirect Luminaires
  • 9.0 Reporting Test Data
  • 10.0 Use of Computers and the IES Standard Format