Approved Method: Electrical and Photometric Measurement of General Service Incandescent Filament Lamps

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ANSI/IES LM-45-20 (R2023)
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-45-20 (R2023) Category:

Product Description

Approved American National StandardLearn the procedures necessary to obtain uniform and reproducible measurements of the electrical and photometric characteristics of general service incandescent filament lamps under standard conditions.

Page count: 6 pages
Publisher: Illuminating Engineering Society (2023)
SKU: ANSI/IES LM-45-20 (R2023)
ISBN-13: 978-0-87995-210-5

Chapters:

  • 1.0 Introduction and Scope
    2.0 Normative References
    3.0 Nomenclature and Definitions
    4.0 Ambient and Physical Conditions
    5.0 Electrical Conditions
    6.0 Lamp Test Procedures
    7.0 Photometric Test Procedures
    8.0 Test Report

Citation Format:
Illuminating Engineering Society. ANSI/IES LM-45-20 (R2023), Approved Method: Electrical and Photometric Measurement of General Service Incandescent Filament 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 LS-1-20
  • 2.2 ANSI/IES LM-54-20
  • 2.3 ANSI/IES LM-78-20
  • 3.0 Nomenclature and Definitions
  • 4.0 Ambient and Physical Conditions
  • 4.1 General
  • 4.2 Temperature
  • 4.3 Airflow
  • 4.4 Vibration
  • 5.0 Electrical Conditions
  • 5.1 Wave Shape
  • 5.2 Voltage or Current Regulation
  • 5.3 Circuits and Lamp Connections
  • 6.0 Lamp Test Procedures
  • 6.1 Lamp Position
  • 6.2 Lamp Stabilization
    • 6.2.1 Seasoning
    • 6.2.2 Pre-burning
    • 6.2.3 Determination of Stabilization Time
  • 6.3 Electrical Settings
  • 6.4 Electrical Instrumentation
    • 6.4.1 Instrument Tolerance
    • 6.4.2 Impedance Limitations
  • 7.0 Photometric Test Procedures
  • 7.1 Total Luminous Flux Measurements with an Integrating Sphere
    • 7.1.1 Photodetector
    • 7.1.2 Spectroradiometer
  • 7.2 Measuring Luminous Intensity
  • 7.3 Luminous Intensity Distribution
  • 7.4 Color Measurements
  • 8.0 Test Report