Cooper Lighting BETA 50 دليل المستخدم

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®
F A I L - S A F E
DESCRIPTION
The Fail-Safe MAF Series is designed for use in horizontal or non-laminar air Type
Catalog #
flow clean rooms. The enclosed and gasketed housing and one-piece, out-
side flanged door protect against infiltration of airborne bacteria. The die
formed edges on the door frame and the hole-free design of the housing
Project
prevent air exchange between the fixture and plenum, allowing relamping
without contamination of the clean areas. These luminaires are U.L. list

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MAF PHOTOMETRICS Zonal Lumen Summary Candlepower Distr ibution Average Luminance Zone Lumens %Lamp %Luminaire Test No. 5892 Deg. 0-30 1741 18.1 37.5 CFF-12-340 45 2018 1833 0-40 2775 28.9 59.8 400 Lamp=F40T12RS/WW 55 1332 1227 0-60 4105 42.8 88.4 No. Lamps=3 65 1074 1010 0-90 4643 48.4 100.0 Lumens=3200 75 1124 1050 800 90-180 0 0.0 0.0 Spacing Criteria 85 1044 927 0-180 4643 48.4 100.0 =1.2 =1.1 1200 Efficiency=38.7% 1600 2000 Coefficient of Utilization rc 80% 70% 50% 30% 10% 0% rw 70 50 30 10