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BS 1646-4

84th Edition, April 30, 1984

Complete Document

Symbolic Representation for Process Measurement Control Functions and Instrumentation - Part 4: Basic Symbols for Process Computer, Interface and Shared Display/ Control Functions

Includes all amendments and changes through Reaffirmation Notice , February 1, 2012


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Product Details:

  • Revision: 84th Edition, April 30, 1984
  • Published Date: February 1, 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 16
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Specifies symbols to illustrate process computer and/or shared display/control functions in process measurement and control, e.g. on process flow diagrams. The symbols may be used in conjuction with the symbols given in Part 1 of BS 1646 but they do not provide a means of illustrating specific instruments or parts thereof.