9 building
1755 Wenbei Road
Shanghai 201802
P.R. China
致电南华机电技术顾问:+86 21 3912 6868
3 Hz
1 Hz
50 Hz
0.3 Hz
rising 10 s; 40s on; falling 10 s
0.5s on; 0.5s off
4ms on; 4ms off
0.25s on; 0.25s off
1s on; 1 sec off
70ms on/ 70ms off
0.25s on; 0.25s off
rising in 3.5 s/ 0.5 s off
0.4s (440Hz) / 0.1 s (554Hz)
25 Hz
7 Hz
simulated horn
siren rising in 3 s, then cont. 2400 Hz
siren rising in 3 s, then cont. 1200 Hz
repeating 3-tone gong, 7s
repeating ding-dong, 1 Hz
0.875s on- 0.675s off
1s on, 1s off
1 Hz
2 Hz
0.5 Hz
2 Hz
2 Hz
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