Lightolier Stacklyte Fluorescent Lighting دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

STACKLYTE STA 1'x4' 2 LAMP
Page 1 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 OR 12 CELL PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE
Features
• Excellent for lighting library bookshelves, 97.5% of fixtures distribu-
tion is in the 0°-60° zone.
• Meets IES RP1 for lighting VDT areas with normal use.
• 68.4% efficient (T8 - 8 cell).
• Semi-specular low iridescence pre-anodized louver.
• Vertical grain on louver eliminates reflected lamp image on cross
baffle.
• Louver

ملخص المحتوى في الصفحة رقم 2

STACKLYTE STA 1'x4' 2 LAMP Page 2 of 2 1'x4' RECESSED FLUORESCENT, 3" DEEP, 8 OR 12 CELL PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE LER = FL - 55.0 IW - 61.9 BF - 0.88 PHOTOMETRY MODEL NO. STA1G8LR232120SO Comparative yearly lighting energy cost per 1000 lumens = $4.36 coefficients of utilization — zonal cavity method RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 177 74 72 70 68 67 67 66 65 271 67 64 64 61 59 61 59 57 366 61 56 58 54 52 56 53 51 462 55 50