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BS 1646-3:1984 Symbolic representation for process measurement control functions and instrumentation. Specification for detailed symbols for instrument interconnection diagrams
standard by BSI Group, 01/31/1984
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Full Description
Depicts, by detailing the components, the external connections between units of equipment. These symbols are intended for use at all stages of design, manufacture, installation and operation but are not intended to replace graphic symbols for electrical equipment.Cross References:
BS 1646:Part 1
BS 1646:Part 2
BS 3939
BS 3939:Section 21
IEC 113-5