Pantech Instruments manufactures Microprocessor based Alarm Annunciator, Model 885. Pantech Instruments offers Process Control Instruments. The Microprocessor based Alarm Annunciator is an instrument for indicating field fault conditions in the control room. It is designed to sense NO/NC potential free contacts for all the channels in a simultaneous mode. The high end microprocessor chips assure the response time in microseconds while sensing all the channels in round robin fashion. The audio and visual output is provided in the Microprocessor based Alarm Annunciator unit for alerting plant personnel when fault condition occurs. Controlling keys in the Microprocessor based Alarm Annunciator acknowledge, reset and test are provided on the front.