508-128 High-Powered Outdoor Siren | Federal Signal
网页Federal Signal’s 508-128 siren is a high power, rotating, uni-directional, 500 Hz outdoor warning siren that offers an anechoic chamber-certified signal strength of 128 dB(C). The high-decibel output provides maximum coverage with minimum installation cost.
Rumbler® Low-Frequency Police Siren | Federal Signal
网页The low-frequency police siren senses the primary siren tone signal and reduces the signal’s frequency by 75%. It then amplifies the sound through a pair of or single high-output speakers. This cutting-edge police siren allows the tone to sound for eight seconds, provides a highly effective warning, and automatically shuts off.
Federal Signal: Innovative public safety products and systems
网页Federal Signal: Innovative public safety products and systems. PAGASYS® Gen II Digital Public Address and General Alarm Systems with Networked Options. enables you to monitor and activate your giant voice warning sirens from a desktop or mobile device anytime, anywhere. Flameproof and Hazardous Location Break Glass and …
Federal signal 550-AT - Page 2 - The Siren Board
网页2008年7月22日 · Basically, Federal was just playing around to see ways that would make the 500 series more efficient. The final result was the Deep Dished 500AT produced 1960 onwards to 1981 to 1982, when, the 500 series ceased production. This siren (the 550 AT) seems to have been one of Federals prototypes/experiments.
Electro-Mechanical Sirens | Federal Signal - Federal Signal …
网页Federal Signal's Electronic Sirens fulfill many audible signaling applications through a variety of tones and mounting options. Suitable for both indoor and outdoor use, our Electronic Audible Signals are suitable for Safe Area, Hazardous Location, Explosion Proof, and Zone 1 Flameproof applications.
Federal Signal - SIRENNET
网页Discover our range of high-quality Federal Signal lights and light bars, meticulously designed to meet the most demanding industry standards. Whether you're searching for powerful Rumbler systems or reliable siren controllers, our Federal Signal collection offers cutting-edge solutions for your safety and signaling needs.
Model L General Alarm Siren | Audible Signals | Federal Signal
网页Model L is a general-purpose electro-mechanical siren that produces a distinctive sound and tonal quality for industrial applications. It has a low maximum pitch which provides excellent contrast to industrial ambient noise. Introduced in 1946, Model L is still used today in many rugged and extreme environments and applications.
Federal 550-AT Naming Convention - The Siren Board
网页2009年11月14日 · One of them was the decibel/size ratings used on sirens for Civil Defense purposes versus those for civilian (fire) use. Federal Signal Corp., responded and used a different naming convention for CD sirens from roughly 1958 - 1970.
Federal Signal Corporation - Wikipedia
网页Federal Signal Safety and Security Systems Group manufactures campus alerting systems, emergency vehicle lighting, emergency sirens, alarm systems, outdoor warning sirens, and public address systems. Currently, the company has 14 manufacturing facilities in 5 different countries.
Manitou Springs Federal Signal 550-AT replaced - The Siren Board
网页2012年12月1日 · Manitou Springs, CO has replaced their 1958 Federal Signal 550AT, with an ASC E*Class siren, in response to the Waldo Canyon Fire, and the need for a reliable outdoor warning siren. I viewed a news report on KRDO, showing the test live.
- 某些结果已被删除