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Photometrics - Printable PDF version (1.6 MB)
General Lighting
Photometrics
Photometrics is the term applied to the scientific measurement of luminesence at specific points around a target area, like a tenis court or parking lot. The goal is to make the luminesence as even as possible at the brightness desired, with a minimum of light spillage into adjacent areas outside the target zone.Bieber Lighting uses precise tools to measure the luminesence of its various fixtures amd lamps. Below is a sampling of those results from some of our customers.
Horizontal Axis = Coefficient of Utilization
Vertical Axis = Distance Across Street / Mounting HeightBased on independent tests by:
Lighting Research Laboratory, Inc.
P.O. Box 6193
Orange, CA 62667
P. O. Box 280212 Northridge, CA 91328
Phone: 818-701-1548 FAX: 818-993-3199
Email: ricc@bieberlc.com Web Site: http://www.bieberlc.comWE USE STATE-LICENSED AND BONDED CONTRACTORS ONLY
Our Service Hours:
M-F 8:00 AM to 5:00 PM Pacific Time
After Hours: By Appointment
Phone: 818-701-1548 FAX: 818-993-3199
