Tag: instrumentation equipment symbols

  • 7.5 Instrument and process equipment symbols

    This section shows some of the many instrument symbols found in different types of technical diagrams used to document instrument systems. 7.5.1 Line types Note: the single backslash signifying a “discrete” or “binary” signal type has been removed from the ISA standard as of the 2009 ANSI publication. Regular pneumatic and electrical line symbols may represent…