Βlind Clock

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Βland Clock
Sound volume is controlled via a direct switch, or brightness.The blind clock becomes night mode
when environment brightness within continuous 60s lower than 200LUX±30%, and enters mute
situation after 180min.When environment brightness within continuous 60s higher than
200LUX±30%, the blind clock goes back normal working condition.
Introduction:
1 . Blind clock sounds the walking alarm within green man signal period, the walking alarm points
toward crosswalk.
2. This alarm’s basic waveform is sine wave.
When the red light, the alarm frequency is 300~500KHz, sounds 200ms, mutes 300ms,
When the green light, the alarm frequency is 300~500KHz, sounds 160ms, mutes 500ms,
And the alarm will keep basic waveform, do not change frequency and period in the green light last 3s.
3. In daytime, sound pressure level should not exceed 65dB(A-weight),
At night, sound pressure level should not exceed 45dB(A-weight)

Dimension:210*110*52mm(not includes lighting point’s height)
Weight:0.7kgs
Input Voltage:220±1 0 %
Power Consumption: < 1 0 VA
Sound Pressure: 6 5 dB(A-weight) 10%(daytimer mode,lowest volume± )
Red Light Frequency:300~500KHZ(sounds 200ms,mutes 300ms)
Green Light Frequency:300~500KHZ(sounds 160ms,mute 500ms)
Mode Seitch Brightness:200 LUX±30%
Wire Length:2.4 meter(three-core)

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