Electro-Sensors ASiSA is an AS-Interface speed sensor with underspeed alarm designed to operate in demanding, hazardous and industrial environments. The ASiSA continuously monitors rotating shaft speed, comparing it to a trip-point setting and alarming when less than the trip-point. The alarm state is accessible over AS-interface communications and visibly indicated by the internal alarm LED. All ASiSA alarm functions are complete field-selectable and settable. Features: