ACA Allertor 125 Siren Test Full Alert Grand Ledge, Michigan 9/2

Aca Allertor. ACA Allertor 125 Siren Test, Elmwood Park, IL (Alert & Attack) 11/2 The ACA Allertor 125 is a discontinued outdoor warning siren made by Alerting Communicators of America (now American Signal Corporation) and formerly Biersach & Niedermeyer Co This article lists the outdoor warning sirens built by Biersach & Niedermeyer Co., Alerting Communicators of America and American Signal Corporation.

The Allertor 125 is a rotational, electromechanical civil defense siren that was produced by Alerting Communicators of America from 1968 until it was replaced by the similar Penetrator series in 1980 This article lists the outdoor warning sirens built by Biersach & Niedermeyer Co., Alerting Communicators of America and American Signal Corporation.

Refurbished ACA Allertor 125 Tornado Siren Test, Alert Signal

The output of 126 decibels at 100 feet is radiated to an effective 70 DB range of 4500 feet, thus giving a total circular coverage of 2.2 square miles per siren. View and Download ACA ALLERTOR 125 installation, operation, maintenance and parts manual online After what felt like an eternity, I started to get worried myself, and right when I started getting those thoughts, this 10/12 Allertor roared to life for a 3-minute alert!

ACA Allertor 125 Located at S 26th street and Hamilton Str… Flickr. The ACA Allertor 125 is a discontinued outdoor warning siren made by Alerting Communicators of America (now American Signal Corporation) and formerly Biersach & Niedermeyer Co After what felt like an eternity, I started to get worried myself, and right when I started getting those thoughts, this 10/12 Allertor roared to life for a 3-minute alert!

ACA Allertor 125 Sounding Alert, Wausau WI (7/3/23, 115) YouTube. It is unique in that it sucks in air through the bottom. The Allertor was the direct successor to Biersach and Niedermeyer's Mobil Directo siren, with significant improvements to the design