DNV/03
The acoustic device for blind people is made up by two parts, the acoustic device itself (DNV/03) and the reservation button (ZEBRA or PLS/03), linked together and that cannot work independently one from the other, in compliance to the norms indicated below.
The device is suitable for being installed on all pedestrian crossings controlled by traffic lights, in order to indicate the go-ahead to blind people, in compliance to D.P.R. no. 503 of 24/07/1996, the Code of the Road, and its regulation of execution and implementation.
Contact us for further infosAcoustic device for blind people (DNV) is formed by two parts:
that provides the sound emission of green light, made up by:
with the following features:
with the following features:
The tone of the impulse of the acoustic device is similar to a ring, with frequency modulation that can be set at 10 Hz or 20 Hz (in compliance to CEI 214-7 par. 5.1).
The acoustic signals are connected to the traffic signal head in the following way:
During pedestrian green light:
During pedestrian amber light:
During pedestrian red light: