功能参数 |
阶段1 |
阶段5 |
额定灯寿命
Rated lamp lifetime |
≥ 1 000 h |
≥ 2 000 h |
流明维持
Lumen maintenance |
≥ 85% at 75% of rated average lifetime |
≥ 85% at 75% of rated average lifetime |
Number of switching cycles |
≥ four times the rated lamp life expressed in hours |
≥ four times the rated lamp life expressed in hours |
开始时间
Starting time |
< 0.2s |
< 0.2s |
灯热身时间达到
60 % Φ
Lamp warm-up time to 60% Φ |
≤ 1.0s |
≤ 1.0s |
Premature failure rate |
≤ 5.0%@100h |
≤ 5.0%@200h |
灯功率因数
Lamp power factor |
≥ 0.95 |
≥ 0.95 |