Approved Method: Life Testing of Incandescent Filament Lamps
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ANSI/IES LM-49-20(R2023)
Document Type: Lighting Measurement and Testing (LM)
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Product Description
Learn the procedures to be followed and the precautions to be observed in obtaining uniform and reproducible measurements during life testing of incandescent filament lamps under standard conditions. This document covers general service incandescent lamps, tungsten-halogen lamps, series airport markers, and street lighting lamps.
Page count: 7 pages
Publisher: Illuminating Engineering Society (2023)
SKU: ANSI/IES LM-49-20(R2023)
ISBN-13: 978-0-87995-080-4
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 Test Report
Citation Format:
Illuminating Engineering Society. ANSI/IES LM-49-20(R2023), Approved Method: Life Testing of 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
- 3.0 Nomenclature and Definitions
-
- 3.1 lamp failure
- 3.2 lamp life
- 3.3 life test rack
- 3.4 rated lamp life
- 3.5 regulation
- 3.6 seasoning
- 4.0 Ambient and Physical Conditions
-
- 4.1 General
- 4.2 Vibration
- 4.3 Temperature
- 4.4 Airflow
- 4.5 Operating Orientation and Lamp Spacing
- 5.0 Electrical Conditions
-
- 5.1 Input Voltage
- 5.2 Input Voltage Waveform
- 5.3 Voltage Regulation
- 5.4 Electrical Instrumentation
- 5.5 Wiring
- 5.6 Lamp Holders and Connections
- 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