IES LM 81 : 2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
APPROVED METHOD: PHOTOMETRIC TESTING OF SKYLIGHTS AND TUBULAR DAYLIGHTING DEVICES UNDER HEMISPHERICAL SKY CONDITIONS
Hardcopy , PDF
23-07-2013
English
01-01-2010
1.0 Scope and Purpose
2.0 General Lighting Characteristics
3.0 Test Distance
4.0 Goniophotometer Basic Construction
5.0 Goniophotometer Structure
6.0 Calibration
7.0 Sky Conditions
8.0 Testing Procedures
9.0 Testing Procedure Steps
10.0 Limitation of Skylight Photometry
Annex A - Accuracy of the Quadrant Testing Method
Annex B - The Testing of Transparent Skylights
Annex C - Accuracy Analysis of Reflections from Black Card
Annex D - Calculation of Standard Tine for Different Solar
Elevations
References
Gives the IES required uniform method for determining and reporting the photometric characteristics of skylights and tubular daylighting devices.
DocumentType |
Standard
|
Pages |
23
|
PublisherName |
Illuminating Engineering Society
|
Status |
Withdrawn
|
IES LM 46 : 2004 | PHOTOMETRIC TESTING OF INDOOR LUMINARIES USING HIGH INTENSITY DISCHARGE OR INCANDESCENT FILAMENT LAMPS |
IES LM 63 : 2002 | STANDARD FILE FORMAT FOR ELECTRONIC TRANSFER OF PHOTOMETRIC DATA |
IES LM 74 : 2005 | FILE FORMAT FOR THE ELECTRONIC TRANSFER OF LUMINARIES COMPONENT DATA |
IES HB 10 : 2011 | THE LIGHTING HANDBOOK |
IES LM 72 : 1997 | DIRECTIONAL POSITIONING OF PHOTOMETRIC DATA |
IES LM 35 : 2002 | PHOTOMETRIC TESTING OF FLOODLIGHTS USING HIGH INTENSITY DISCHARGE OR INCANDESCENT FILAMENT LAMPS |
IES LM 15 : 2003 | GUIDE FOR REPORTING GENERAL LIGHTING EQUIPMENT ENGINEERING DATA FOR INDOOR LUMINAIRES |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.