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: | | LTL14979 | | DATE: | | 3/2/06 | | MANUFAC: | | GOTHAM | | LUMCAT: | | ATH 70MT4 4 NARROW (REFLECTOR #18001-FLAT) | | LUMINAIRE: | | 4 INCH LENSED DOWNLIGHT WITH 70WATT T4(TWO PIN) LAMP. REFLECTOR #18001 WITH TALL (U-SHAPED) SOCKET BRACKET MOUNTED ON THE FLAT. GLASS LENS-PRISMS DOWN. | | LAMPCAT: | | CMH70/TC/U/830 | | LAMP: | | ONE 77.5-WATT CLEAR T4 (TWO PIN) METAL HALIDE, VERTICAL BASE UP POS. | | BALLAST: | | NAIS M7012-27CK-SEU-JT |
| Number Lamps: | |
1 |
| Lumens Per Lamp: | |
6200 |
| Photometric Type: | |
Type C |
| Luminous Width: | |
-0.36 ft |
| Luminous Length: | |
-0.36 ft |
| Luminous Height: | |
0 ft |
| Ballast Factor: | |
1 |
| Input Watts: | |
77.5 |
| Efficiency (Total): | |
52.2 % |
| Efficiency (Up): | |
0.0 % |
| Efficiency (Down): | |
52.2 % |
| | Spacing Criteria | | | Angle | Value | | | All | 0.41 |
| |
Candela Values: |
| |
0 |
| 0 | | 13,908 | | 2.5 | | 13,461 | | 5 | | 12,109 | | 7.5 | | 10,277 | | 10 | | 8,444 | | 12.5 | | 6,752 | | 15 | | 5,204 | | 17.5 | | 3,776 | | 20 | | 2,563 | | 22.5 | | 1,687 | | 25 | | 1,081 | | 27.5 | | 700 | | 30 | | 470 | | 32.5 | | 329 | | 35 | | 243 | | 37.5 | | 186 | | 40 | | 149 | | 42.5 | | 124 | | 45 | | 111 | | 47.5 | | 66 | | 50 | | 24 | | 52.5 | | 9 | | 55 | | 5 | | 57.5 | | 6 | | 60 | | 2 | | 62.5 | | 3 | | 65 | | 3 | | 67.5 | | 3 | | 70 | | 2 | | 72.5 | | 1 | | 75 | | 1 | | 77.5 | | 2 | | 80 | | 2 | | 82.5 | | 1 | | 85 | | 0 | | 87.5 | | 0 | | 90 | | 0 |
| | Average Luminance (cd/sq.m) | | | 0 | 45 | 90 | | 55 | | 927 | 927 | 927 | | 65 | | 754 | 754 | 754 | | 75 | | 411 | 411 | 411 | | 85 | | 0 | 0 | 0 |
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