subject: Ambulance Siren, Revolving Lights [print this page] Police Sirens - The PoliceOne Police Sirens product category is a collection of information and resources for researching Sirens. It covers a variety of sirens including rumblers and siren speakers.
A siren is a loud noise maker. Most modern ones are civil defense or air- raid sirens, tornado sirens, or the sirens on emergency service vehicles such as ambulances, police cars and fire trucks. There are two general types, pneumatic and electronic.
Many fire sirens serve double duty as tornado or civil defense sirens, alerting an entire community of impending danger. Most fire sirens are either mounted on the roof of a fire station, or on a pole next to the fire station. Fire sirens can also be mounted near government buildings, on top of tall structures such as water towers, as well as in systems, where several sirens are distributed around a town for better sound coverage. Most fire sirens are single tone and mechanically driven by electric motors with a rotor attached to the shaft. Some newer sirens are electronically driven by speakers, though these are not as common. The most common types of sirens used in the Round Sirenm, Fire Siren, Ambulance Siren. Although there is no standard signaling of fire sirens, some utilize codes to inform firefighters to the location of the fire. Civil defense sirens pulling double duty as a fire siren often can produce an alternating
Round Siren / Speaker made of " FIBER Body" is used in ambulance, Police Bike, police patrol, fire tender, control panels and also many industrial applications. Available Voltages: 20w, 40w. Available Colours: Only White.
For :
AMBULANCE, POLICE PCR 100, CAR, MARINE, TRUCK OR MILITARY,ANY EMERGENCY.
