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: | | LTL15364 | | MANUFAC: | | LITHONIA/GOTHAM | | LUMCAT: | | DTH 39MT4 4 MEDIUM (LAMP NOT SEATED) | | LUMINAIRE: | | 4" LENSED 39 WATT T4 MEDIUM DISTRIBUTION. SOCKET BRACKET ON FLAT PLUS 2 WASHERS (.06" EACH) | | 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): | |
68.7 % |
| Efficiency (Up): | |
0.0 % |
| Efficiency (Down): | |
68.7 % |
| | Spacing Criteria | | | Angle | Value | | | All | 0.79 |
| |
Candela Values: |
| |
0 |
| 0 | | 2,738 | | 2.5 | | 2,734 | | 5 | | 2,722 | | 7.5 | | 2,717 | | 10 | | 2,714 | | 12.5 | | 2,678 | | 15 | | 2,578 | | 17.5 | | 2,404 | | 20 | | 2,146 | | 22.5 | | 1,840 | | 25 | | 1,516 | | 27.5 | | 1,206 | | 30 | | 937 | | 32.5 | | 720 | | 35 | | 552 | | 37.5 | | 424 | | 40 | | 329 | | 42.5 | | 262 | | 45 | | 250 | | 47.5 | | 230 | | 50 | | 161 | | 52.5 | | 110 | | 55 | | 81 | | 57.5 | | 63 | | 60 | | 49 | | 62.5 | | 39 | | 65 | | 32 | | 67.5 | | 27 | | 70 | | 22 | | 72.5 | | 18 | | 75 | | 14 | | 77.5 | | 11 | | 80 | | 9 | | 82.5 | | 8 | | 85 | | 5 | | 87.5 | | 3 | | 90 | | 0 |
| | Average Luminance (cd/sq.m) | | | 0 | 45 | 90 | | 55 | | 17,863 | 17,863 | 17,863 | | 65 | | 9,578 | 9,578 | 9,578 | | 75 | | 6,842 | 6,842 | 6,842 | | 85 | | 7,257 | 7,257 | 7,257 |
|