Accumulator – The accumulator is an apparatus used to store energy. In the vehicle barrier industry, accumulators are used to accomplish Emergency Fast Operation. Also see, econolator.
Ameristar – Ameristar is a Norshield VBS partner. Ameristar is the leading manufacturer of ornamental fence. They have several systems that are Department of State K Rated, and fully integrate the Fibersensys systems.
Annunciator – The annunciator is located on the control panel and is used as an auditory warning. This annunciator sounds when the barrier utilizes EFO, is down for more than 5 seconds, or pressure is low in the HPU.
Anti Climb – This is a specification often used at high security locations that need to keep both unauthorized personnel and civilian pedestrians outside of the established safe perimeter. This specification details the pickets and spacing for a fence line or sliding gate intended for a government location.
ARS – Alternative Remittance System
ASTM – ASTM is an open forum for the development of standards used around the globe. ASTM is currently developing some standards similar to the DOS K Ratings.