Specification

MOUNTING DATA
Continuous row mounting of anged units requires CRE and CRM trim options
(see Options).
GT8 2'x4' Static T8 Troer
DIMENSIONS
PHOTOMETRICS
Calculated using the zonal cavity method in accordance with IESNA LM41 procedure. Floor reectances are 20%.
Lamp congurations shown are typical. Full photometric data on these and other congurations available upon request.
2GT8 4 32 A12 1/4
Report LTL 7425
Lumens per lamp - 2850 – Lum. e. - 78.6%
S/MH (along) 1.2 (across) 1.4
Coecient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 94 94 94 91 91 91 87 87 87
1 86 82 79 84 81 78 77 75 73
2 79 73 68 77 71 67 68 64 61
3 72 64 58 70 63 57 61 56 52
4 66 57 51 65 56 50 54 49 45
5 61 51 45 60 51 44 49 43 39
6 57 47 40 55 46 39 44 39 34
7 53 42 36 51 42 35 40 35 31
8 49 39 32 48 38 32 37 31 27
9 46 35 29 45 35 29 34 29 25
10 43 33 27 42 32 27 32 26 22
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 2718 23.8 30.3
0-40 4481 39.3 50.0
0-60 7553 66.3 84.2
0-90 8965 78.6 100.0
90-180 0 0 0
0-180 8965 78.6 100.0
2GT8 2 32 A12
Report LTL 7424
Lumens per lamp - 2850 – Lum. e. - 81.7%
S/MH (along) 1.2 (across) 1.4
Coecient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 97 97 97 95 95 95 91 91 91
1 89 86 82 87 84 81 80 78 76
2 82 75 70 80 74 69 71 67 63
3 75 67 60 73 65 59 63 58 54
4 69 59 52 67 58 52 56 51 46
5 63 53 46 62 52 46 51 45 40
6 59 48 41 47 47 40 46 40 35
7 54 44 37 53 43 36 42 36 31
8 51 40 33 49 39 33 38 32 28
9 47 37 30 46 36 30 35 29 25
10 44 34 27 43 33 27 32 27 23
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 1372 24.1 29.4
0-40 2277 39.9 48.9
0-60 3907 68.5 83.9
0-90 4658 81.7 100.0
90-180 0 0 0
0-180 4658 81.7 100.0
2GT8 3 32 A12 1/3
Report LTL 7421
Lumens per lamp - 2850 – Lum. e. - 80.1%
S/MH (along) 1.2 (across) 1.4
Coecient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 95 95 95 93 93 93 89 89 89
1 88 84 81 85 82 79 79 76 74
2 80 74 69 78 72 68 70 66 62
3 74 66 59 72 64 58 62 57 53
4 68 58 52 66 57 51 55 50 46
5 62 52 45 61 52 45 50 44 40
6 58 47 40 56 47 40 45 39 35
7 54 43 36 52 42 36 41 35 31
8 50 39 33 49 39 32 38 32 28
9 47 36 30 45 36 29 35 29 25
10 44 33 27 43 33 27 32 27 23
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 2066 24.2 30.2
0-40 3412 39.9 49.8
0-60 5768 67.5 84.2
0-90 6851 80.1 100.0
90-180 0 0 0
0-180 6851 80.1 100.0
4-7/8
(12.4)
6-15/16
(17.8)
6-15/16
(17.8)
6-15/16
(17.8)
24
(60.9)
24
(60.9)
2-9/16
(6.5)
3-3/16
(8.1)
3-3/16
(8.1)
24
(60.9)
3-3/16
(8.1)
GT8-2X4-MVIS
FLUORESCENT: One Lithonia Way Conyers, GA 30012 Phone: [phone] www.lithonia.com ©1999-2016 Acuity Brands Lighting, Inc. All rights reserved. Rev. 09/08/16