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: | | LTL15324 | | DATE: | | 8/1/06 | | MANUFAC: | | LITHONIA/GOTHAM | | LUMCAT: | | DLWTH T4 20MHC 4 | | LUMINAIRE: | | 4" LENSED WALLWASH 20 WATT T4 WITH NEW SPREAD LENS. | | LAMPCAT: | | CMH20/TC/U/830/G8.5 | | LAMP: | | ONE 20-WATT CLEAR T4 BI-PIN CERAMIC METAL HALIDE, VERTICAL BASE UP TILTLED 15 DEGREESPOS. | | BALLAST: | | M2012-27CK-3EU-J |
| Number Lamps: | |
1 |
| Lumens Per Lamp: | |
1700 |
| Photometric Type: | |
Type C |
| Luminous Width: | |
-0.36 ft |
| Luminous Length: | |
-0.36 ft |
| Luminous Height: | |
0 ft |
| Ballast Factor: | |
1 |
| Input Watts: | |
24 |
| Efficiency (Total): | |
54.1 % |
| Efficiency (Up): | |
0.0 % |
| Efficiency (Down): | |
54.1 % |
| | Spacing Criteria | | | Angle | Value | | | 0 | 1.13 | | | 90 | 0.64 | | | 180 | 0.28 |
| |
Candela Values: |
| |
0 | 22.5 | 45 | 67.5 | 90 | 112.5 | 135 | 157.5 | 180 |
| 0 | | 1,115 | 1,115 | 1,115 | 1,115 | 1,115 | 1,115 | 1,115 | 1,115 | 1,115 | | 2.5 | | 1,262 | 1,271 | 1,228 | 1,167 | 1,101 | 1,038 | 989 | 962 | 930 | | 5 | | 1,398 | 1,384 | 1,299 | 1,183 | 1,061 | 950 | 858 | 800 | 764 | | 7.5 | | 1,493 | 1,455 | 1,317 | 1,166 | 1,003 | 852 | 728 | 648 | 602 | | 10 | | 1,549 | 1,481 | 1,303 | 1,112 | 926 | 755 | 610 | 514 | 464 | | 12.5 | | 1,563 | 1,475 | 1,253 | 1,030 | 835 | 656 | 504 | 400 | 348 | | 15 | | 1,553 | 1,430 | 1,177 | 935 | 740 | 558 | 412 | 308 | 256 | | 17.5 | | 1,510 | 1,361 | 1,084 | 851 | 650 | 467 | 333 | 236 | 188 | | 20 | | 1,418 | 1,261 | 992 | 767 | 570 | 384 | 265 | 177 | 138 | | 22.5 | | 1,283 | 1,132 | 908 | 700 | 508 | 316 | 208 | 134 | 103 | | 25 | | 1,123 | 993 | 823 | 651 | 458 | 262 | 161 | 102 | 79 | | 27.5 | | 961 | 863 | 738 | 611 | 425 | 225 | 125 | 78 | 62 | | 30 | | 815 | 745 | 658 | 580 | 396 | 199 | 98 | 61 | 49 | | 32.5 | | 675 | 628 | 583 | 536 | 366 | 178 | 77 | 48 | 38 | | 35 | | 552 | 529 | 511 | 484 | 336 | 159 | 60 | 36 | 28 | | 37.5 | | 445 | 440 | 441 | 430 | 303 | 141 | 47 | 26 | 20 | | 40 | | 355 | 354 | 367 | 368 | 266 | 123 | 36 | 19 | 14 | | 42.5 | | 284 | 278 | 291 | 302 | 221 | 104 | 27 | 13 | 10 | | 45 | | 230 | 222 | 222 | 243 | 177 | 86 | 19 | 9 | 7 | | 47.5 | | 186 | 177 | 171 | 193 | 137 | 70 | 14 | 6 | 5 | | 50 | | 151 | 142 | 132 | 148 | 103 | 51 | 9 | 4 | 3 | | 52.5 | | 123 | 114 | 105 | 111 | 75 | 34 | 6 | 3 | 1 | | 55 | | 101 | 92 | 83 | 81 | 49 | 20 | 4 | 2 | 1 | | 57.5 | | 83 | 75 | 66 | 57 | 31 | 10 | 3 | 1 | 1 | | 60 | | 68 | 62 | 51 | 38 | 18 | 5 | 2 | 1 | 0 | | 62.5 | | 57 | 52 | 40 | 25 | 10 | 4 | 2 | 1 | 0 | | 65 | | 48 | 42 | 30 | 16 | 6 | 3 | 1 | 0 | 0 | | 67.5 | | 35 | 31 | 21 | 11 | 4 | 2 | 1 | 1 | 0 | | 70 | | 26 | 22 | 16 | 8 | 3 | 2 | 1 | 1 | 0 | | 72.5 | | 19 | 16 | 11 | 6 | 3 | 1 | 1 | 1 | 0 | | 75 | | 14 | 12 | 8 | 4 | 1 | 1 | 0 | 0 | 0 | | 77.5 | | 10 | 8 | 6 | 3 | 1 | 1 | 1 | 1 | 0 | | 80 | | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 0 | | 82.5 | | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | | 85 | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | | 87.5 | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | | 90 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| | Average Luminance (cd/sq.m) | | | 0 | 45 | 90 | | 55 | | 18,716 | 15,380 | 9,080 | | 65 | | 12,072 | 7,545 | 1,509 | | 75 | | 5,749 | 3,285 | 411 | | 85 | | 1,220 | 1,220 | 1,220 |
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