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IES TM 12 : 2012

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

SPECTRAL EFFECTS OF LIGHTING ON VISUAL PERFORMANCE AT MESOPIC LIGHTING LEVELS

Published date

01-01-2012

Withdrawn date

05-11-2013

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1.0 Introduction
2.0 Known Factors in Determining Spectral Effects
3.0 Determining Effective Luminance
4.0 Calculating Effective Luminance from CIE 191
5.0 Effects Needing Further Research
Annex A - ELF Tables
Annex B - BASIC Code for Mesopic or Effective Luminance
Annex C - S/P Ratios of Common Light Sources
References

Specifies the spectral effects of lighting at low luminances typically found in nighttime conditions, focusing on visual performance, with brief discussions of roadway visual tasks, glare, chromatic effects, environmental effects, and others.

DocumentType
Standard
ProductNote
REVISED Version PDF Is Now Available This standard also refer to CIE-191,CIE-18.2,CIE-41,CIE-81
PublisherName
Illuminating Engineering Society
Status
Withdrawn
Supersedes

IES RP 33 : 2014 LIGHTING FOR EXTERIOR ENVIRONMENTS
NEMA LS 20037:2024 Replacing HID Lamps with LED Lamps: Light Output Equivalency Claims

IES TM 18 : 2008 LIGHT AND HUMAN HEALTH: AN OVERVIEW OF THE IMPACT OF LIGHT ON VISUAL, CIRCADIAN, NEUROENDOCRINE AND NEUROBEHAVIORAL RESPONSES
IES HB 10 : 2011 THE LIGHTING HANDBOOK

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