Photometric Data File Viewer
Following the the basic photometric performance for the product you selected.
For additional calculation capabilities, download this file and use a
lighting design software package such as Visual.
| TEST: | | LTL15363 | | DATE: | | 8/9/06 | | MANUFAC: | | LITHONIA/GOTHAM | | LUMCAT: | | DTH 39MT4 4 WIDE | | LUMINAIRE: | | 4" LENSED 39 WATT T4 WIDE DISTRIBUTION. SOCKET BRACKET ON FLAT AND LOWERED BRACKET. | | LAMPCAT: | | CMH39/TC/U/830 | | LAMP: | | ONE 39-WATT CLEAR T4 BI-PIN CERAMIC METAL HALIDE, VERTICAL POS. | | BALLAST: | | M3912-27CK-3DU-J |
| Number Lamps: | |
1 |
| Lumens Per Lamp: | |
3400 |
| Photometric Type: | |
Type C |
| Luminous Width: | |
-0.33 ft |
| Luminous Length: | |
-0.33 ft |
| Luminous Height: | |
0 ft |
| Ballast Factor: | |
1 |
| Input Watts: | |
42 |
| Efficiency (Total): | |
68.1 % |
| Efficiency (Up): | |
0.0 % |
| Efficiency (Down): | |
68.1 % |
| | Spacing Criteria | | | Angle | Value | | | All | 0.93 |
| |
Candela Values: |
| |
0 |
| 0 | | 1,872 | | 2.5 | | 1,884 | | 5 | | 1,906 | | 7.5 | | 1,944 | | 10 | | 1,999 | | 12.5 | | 2,061 | | 15 | | 2,107 | | 17.5 | | 2,112 | | 20 | | 2,040 | | 22.5 | | 1,881 | | 25 | | 1,650 | | 27.5 | | 1,373 | | 30 | | 1,105 | | 32.5 | | 870 | | 35 | | 673 | | 37.5 | | 519 | | 40 | | 398 | | 42.5 | | 306 | | 45 | | 269 | | 47.5 | | 273 | | 50 | | 197 | | 52.5 | | 134 | | 55 | | 94 | | 57.5 | | 70 | | 60 | | 55 | | 62.5 | | 43 | | 65 | | 35 | | 67.5 | | 29 | | 70 | | 24 | | 72.5 | | 20 | | 75 | | 16 | | 77.5 | | 13 | | 80 | | 11 | | 82.5 | | 9 | | 85 | | 6 | | 87.5 | | 3 | | 90 | | 0 |
| | Average Luminance (cd/sq.m) | | | 0 | 45 | 90 | | 55 | | 20,730 | 20,730 | 20,730 | | 65 | | 10,476 | 10,476 | 10,476 | | 75 | | 7,820 | 7,820 | 7,820 | | 85 | | 8,708 | 8,708 | 8,708 |
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