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Table 2
LFTF Lighting Test Results: F40 T-12 Fixtures
| Lamp Ballast |
F40T12
M1 |
F40T12
M |
F40T12
E |
F40T12
E2 |
F40T12
M |
F40T12
M |
F40T12
E |
F40T12
E |
F40T12
MD3 |
| Troffer
Diffuser |
Par4
Open |
Std5
Pris8 |
Par
Open |
Std
Pris |
Par-Refl6
Open |
Std-Refl7
Pris |
Par-Refl
Open |
Std-Refl
Pris |
Par
Open |
| Power (Watts)
Day (9 AM - 5 PM) Night (10 PM - 5 AM) Avg (24-hr) |
181.0
181.0 180.7 |
177.5 177.0 177.0 |
143.2 141.9 142.4 |
125.3 124.9 124.3 |
178.9 180.3 179.6 |
180.7 182.0 181.3 |
141.7 139.8 140.5 |
143.7 143.1 143.3 |
123.9 152.5 141.5 |
| Illuminance (Decalux)
Day (9 AM - 5 PM) Night (10 PM - 5 AM) Avg (24-hr) |
123.7
62.1 85.8 |
116.7 58.8 80.9 |
112.7 58.1 79.3 |
86.2 55.1 68.7 |
144.5 62.7 93.6 |
156.0 64.5 99.3 |
138.7 56.2 83.7 |
89.9 58.7 72.9 |
73.4 53.8 62.9 |
| Efficacy (Decalux/Watt)
Day (9 AM - 5 PM) Night (10 PM - 5 AM) Avg (24-hr) |
84.4 42.4 58.6 |
81.2 41.0 56.4 |
97.2 50.6 68.8 |
85.0 54.5 68.3 |
99.8 43.0 64.4 |
106.6 43.8 67.6 |
121.0 49.7 73.6 |
77.3 50.7 62.8 |
73.2 43.6 54.9 |
| Power Quality (Power Factor)
Min Max Avg |
0.98 1.00 0.99 |
0.99 1.00 0.99 |
0.99 1.01 1.00 |
0.98 1.00 0.99 |
0.98 1.00 0.99 |
0.99 1.00 0.99 |
0.99 1.01 1.00 |
0.99 1.01 1.00 |
0.84 0.90 0.87 |
| Temperature oC
Bulb Ballast Fixture |
45.0 56.2 30.07 |
46.3 53.2 26.4 |
42.7 42.1 28.1 |
41.1 42.1 25.7 |
46.2 39.3 30.0 |
39.7 42.5 27.1 |
42.9 41.4 27.8 |
41.3 40.3 22.2 |
42.1 53.4 30.2 |
1 Magnetic Ballast 3 Magnetic Dimming Ballast 5 Standard Troffer 7 Standard Troffer w/Reflector 9 Tandem-wired 4-lamp Ballast
2 Electronic Ballast 4 Open Parabolic Troffer
6 Parabolic Troffer w/Reflector 8 Prismatic Diffuser 10 Electronic Dimming
Ballast