Approved Method: Electrical and Photometric Measurement of Fluorescent Lamps

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ANSI/IES LM-9-20 (R2023)
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-9-20 (R2023) Category:

Product Description

Approved American National StandardLearn the the procedures to be followed and the precautions to be observed in order to obtain uniform and reproducible measurements of the electrical and photometric characteristics of fluorescent lamps under standard conditions in 60 Hz, alternating current circuits and under high frequency conditions (reference high frequency circuits are operated at 25 kHz).

Page count: 12 pages
Publisher: Illuminating Engineering Society (2023)
SKU: ANSI/IES LM-9-20 (R2023)
ISBN-13: 978-0-87995-193-1

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-9-20 (R2023), Approved Method: Electrical and Photometric Measurement of Fluorescent Lamps. New York: IES; 2023.

CONTENTS

  • Introduction
  • 1.0 Scope
  • 2.0 Normative References
  • 3.0 Nomenclature and Definitions
  • 4.0 Ambient and Physical Conditions
  • 4.1 General
  • 4.2 Ambient Temperature
  • 4.3 Air Movement
  • 5.0 Electrical Conditions
  • 5.1 Waveshape
  • 5.2 Voltage Regulation
  • 5.3 Power Source Impedance
  • 5.4 Ballast
  • 5.5 Circuits and Lamp Connections
    • 5.5.1 Measurement Circuit Connections
    • 5.5.2 Preheat Start Lamps (Line Frequency)
    • 5.5.3 Preheat Start Lamps (High Frequency)
    • 5.5.4 Instant Start Lamps
    • 5.5.5 Rapid Start Lamps
    • 5.5.6 Cathode Power Requirements
  • 6.0 Lamp Test Procedures
  • 6.1 Lamp Orientation
  • 6.2 Lamp Stabilization
    • 6.2.1 Seasoning
    • 6.2.2 Pre-burning
    • 6.2.3 Determination of Stabilization Time
    • 6.2.4 Lamp Circuit Switching
  • 6.3 Use of the “Peak Lumen” Method
  • 6.4 Unusual Conditions
  • 6.5 Electrical Settings
  • 6.6 Electrical Instrumentation
    • 6.6.1 Instrument Tolerance
    • 6.6.2 Impedance Limitations
  • 7.0 Photometric Test Procedures
  • 7.1 Measurements with Photo-detectors
  • 7.2 Measurements with Spectral Detectors
  • 7.3 Normal Intensity (Candela)
  • 7.4 Intensity (Candela) Distribution
  • 7.5 Integrating Sphere Measurement
  • 7.6 Color Measurements
  • 8.0 Test Report