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ISA 18.1-1979 (R2004)

Original price was: $104.00.Current price is: $62.00.

Annunciator Sequences & Specifications
standard by The International Society of Automation, 04/01/1979

Description

Formerly S18.1-1979 (R1992). Covers electrical annunciators that call attention to abnormal process conditions by the use of individual illuminated visual displays and audible devices. Sequence designations provided can be used to describe basic annunciator sequences and also many sequence variations.