LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps (Economical Model)
LSG-1950S
Goniophotometer for Airfield Lighting
LSG-1940
VAD Fire Alarm Visual Alert Device Goniophotometer
LSG-1930
Compact Goniophotometer
LSG-1200A
LED Goniophotometer
LSG-1100
Near Field Moving Detector Goniophotometer
LSG-1900B
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This Approved Method describes 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. Not included are automotive, miniature and sub-miniature, photo-optic, and other special lamp types. This Approved Method covers life testing of incandescent lamps at rated voltage or rated current.
LISUN following instruments fully meet ANSI/IES LM-49 Life Testing of Incandescent Filament Lamps:
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