Specification Sheet

NY2GC8 T8
Visit our web
site at www.cooperlighting.com
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX [phone]
ADF111077
PHOTOMETRICS
Coefficients of Utilization
Effective floor cavity reflectance 20%
rc 80% 70% 50% 30% 10% 0%
rw 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RCR
0
1
2
3
4
5
6
7
8
9
10
Typical VCP Percentages
Height Along Height Across
Room Size (Ft.) 8.5' 10.0' 8.5' 10.0'
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Zonal Lumen Summary
Zone Lumens %Lamp %Fixture
0-30
0-40
0-60
0-90
0-180
Candela
Angle Along II 45
o
Across
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
2GC8-232A
Electronic Ballast
(2) FO32/35K lamps
2800 lumens
Spacing criterion:
(II) 1.2 x mounting
height, ( ) 1.3 x
mounting height
Efficiency 84.6%
Test Report:
2GC8232A.pdf
LER = FL-78
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.07
71 75 68 72
66 70 63 67
58 61 53 57
68 72 67 70
59 62 55 58
1435 25.6 30.3
2358 42.1 49.8
3979 71.1 84.0
4739 84.6 100.0
4739 84.6 100.0
1811 1811 1811
1803 1807 1812
1780 1791 1800
1743 1762 1780
1689 1719 1747
1614 1660 1699
1516 1583 1638
1397 1477 1561
1251 1337 1451
1076 1174 1288
894 1002 1088
724 814 874
565 605 661
420 407 478
305 256 341
222 172 260
162 136 199
93 83 119
0 0 0
101 101 101 101 98 98 98 98 94 94 94 90 90 90 86 86 86 85
93 89 85 82 90 87 84 81 83 81 78 80 78 76 77 75 74 72
85 78 73 68 83 77 71 67 74 69 66 71 67 64 68 65 63 61
78 69 63 57 76 68 62 57 65 60 56 63 59 55 61 57 54 52
71 62 55 49 69 61 54 49 58 53 48 56 51 47 55 50 47 45
66 55 48 43 64 54 47 42 53 47 42 51 46 41 49 45 41 39
61 50 43 37 59 49 42 37 48 41 37 46 41 37 45 40 36 35
57 45 38 33 55 45 38 33 43 37 33 42 37 33 41 36 32 31
53 42 34 30 51 41 34 30 40 34 29 39 33 29 38 33 29 27
49 38 31 27 48 38 31 27 37 31 27 36 30 26 35 30 26 25
46 35 29 24 45 35 28 24 34 28 24 33 28 24 32 27 24 22
||
Coefficients of Utilization
Effective floor cavity reflectance 20%
rc 80% 70% 50% 30% 10% 0%
rw 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RCR
0
1
2
3
4
5
6
7
8
9
10
Typical VCP Percentages
Height Along Height Across
Room Size (Ft.) 8.5' 10.0' 8.5' 10.0'
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Zonal Lumen Summary
Zone Lumens %Lamp %Fixture
0-30
0-40
0-60
0-90
0-180
||
⊥
Candela
Angle Along II 45
o
Across ⊥
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
2GC8-432A
Electronic Ballast
(4) FO32/35K lamps
2800 lumens
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.3 x
mounting height
Efficiency 79.2%
Test Report:
2GC8432A.IES
LER = FL-64
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.75
3460 3460 3460
3444 3452 3461
3402 3422 3441
3331 3367
3228 3282 3329
3085 3163 3222
2899 3003 3079
2670 2789
2392 2510 2677
2057 2184 2369
1701 1843
1370 1478 1582
1059 1083
783 849
568 621
419 491
316 381
183
0
94 94 94 94 92 92 92 92 88 88 88 84 84 84 81 81 81 79
87 83 80 77 84 81 78 76 78 76 73 75 73 71 72 70 69 67
79 73 68 64 77 72 67 63 69 65 62 66 63 60 64 61 59 57
73 65 59 54 71 64 58 53 61 56 52 59 55 52 57 54 51 49
67 58 51 46 65 57 51 46 55 50 45 53 48 45 51 47 44 42
62 52 45 40 60 51 45 40 49 44 39 48 43 39 46 42 39 37
57 47 40 35 56 46 40 35 45 39 35 44 38 35 42 38 34 33
53 43 36 31 52 42 36 31 41 35 31 40 35 31 39 34 31 29
49 39 33 28 48 39 32 28 38 32 28 37 31 28 36 31 27 26
46 36 30 25 45 35 29 25 35 29 25 34 29 25 33 28 25 23
43 33 27 23 42 33 27 23 32 27 23 31 26 23 31 26 23 21
2735 24.4 30.9
4476 40.0 50.5
7474 66.7 84.3
8865 79.2 100.0
8865 79.2 100.0
58 62 56 60
52 56 49 53
42 46 38 42
54 58 52 57
43 47 40 43
0
0
226
2904
119 2
3401
1986
719
449
315
259
159