Lightolier Guardsman GVB Series 2X2 دليل المستخدم

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GUARDSMAN GVB SERIES 2X2
Page 1 of 2 VANDAL RESISTANT, 2'x2' SURFACE BOX FLUORESCENT, 2 LAMP T8 OR 3 LAMP TT5
Features
• Excellent for locations where vandal resistance is required.
• 20 gauge steel body.
• Prismatic lens is 3/16" thick, pattern 12, minimum impact strength,
130 foot pounds.
• Full perimeter gasketing (closed cell Neoprene) between door frame
and lens.
• Tamper resistant holt head screws secure lens to housing.
• 45° mitered corners (body and door frame).
• Only 5-1/2" deep.
• 5

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GUARDSMAN GVB SERIES 2X2 Page 2 of 2 VANDAL RESISTANT, 2'x2' SURFACE BOX FLUORESCENT, 2 LAMP T8 OR 3 LAMP TT5 PHOTOMETRY MODEL NO. GVB2SFSVL26U120SO coefficients of utilization — zonal cavity method RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 161 59 57 55 54 52 53 52 50 256 52 49 49 46 44 47 45 43 G02044 352 46 42 44 41 38 42 40 37 GVB2SFSVL26U120SO 448 42 37 40 36 33 38 35 33 544 38 33 36 32 29 35 31 29 641 34 29 33 29 26 32 28 26 738 31 27 30 26 23 29 26 23 836 29 24 27 24 21 27 2