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Approved Method: Life Testing of High Intensity Discharge (HID) Lamps

Life Testing of High Intensity Discharge (HID) Lamps

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ANSI/IES LM-47-20
Document Type: Lighting Measurement and Testing (LM)

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SKU: ANSI/IES LM-47-20 Category: Tag:

Product Description

Approved American National StandardThis document describes the procedures by which HID lamps can be operated under controlled conditions to obtain optimally comparable data on individual lamp life, changes in light output, and other parameters that vary during the life of the lamp. It describes the procedures to be followed and the precautions to be observed in obtaining uniform and reproducible measurements during life testing of HID lamps under standard conditions. It also covers other technologies within the metal halide family, including ceramic metal halide and pulse-start metal halide lamps. It addresses life testing of high intensity discharge lamps operated on auxiliary devices, either external or integrated, designed and certified to meet lamp industry standards and tolerance.

Page count: 6 pages
Publisher: Illuminating Engineering Society (2020)
SKU: ANSI/IES LM-47-20
ISBN-13: 978-0-87995-212-9

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 Lamp Test Procedures
    7.0 Test Report

 
Citation Format:
Illuminating Engineering Society. ANSI/IES LM-47-20, Approved Method: Life Testing of High Intensity Discharge (HID) Lamps. New York: IES; 2020.

CONTENTS

  • 1.0 Introduction and Scope
  • 1.1 Introduction
  • 1.2 Scope
  • 2.0 Normative References
  • 2.1 LS-1-20
  • 3.0 Nomenclature and Definitions
  • 3.1 auxiliary equipment
  • 3.2 lamp failure
  • 3.3 life of a test lamp
  • 3.4 life test rack
  • 3.5 rated lamp life
  • 3.6 regulation
  • 3.7 seasoning
  • 4.0 Physical and Environmental Test Conditions
  • 4.1 General
  • 4.2 Vibration
  • 4.3 Temperature
  • 4.4 Airflow
  • 4.5 Lamp Operating Position and Spacing
  • 5.0 Electrical Test Conditions
  • 5.1 Input Voltage
  • 5.2 Line Voltage Waveform
  • 5.3 Voltage Regulation
  • 5.4 Ballast
  • 5.5 Instrumentation
  • 5.6 Wiring
  • 5.7 Lamp Connections
  • 5.8 Safety Considerations
  • 6.0 Lamp Test Procedures
  • 6.1 Lamp Selection
  • 6.2 Lamp Handling
  • 6.3 Lamp Marking
  • 6.4 Operating Cycle
  • 6.5 Recording Failures
  • 7.0 Test Report
  • Annex A – Determining Lamp Lumen Maintenance