Belarus standards PDF

Symbolic representation for process measurement control functions and instrumentation. Specification for detailed symbols for instrument interconnection diagrams. Original standard BS 1646-3-1984 (2011) in PDF full version. Additional info + preview on request

Document status: Active

Symbolic representation for process measurement control functions and instrumentation. Specification for basic symbols for process computer, interface and shared display/control functions. Original standard BS 1646-4-1984 (2012) in PDF full version. Additional info + preview on request

Document status: Active

pH measurement. Specification for pH scale. Original standard BS 1647-1-1984 (2012) in PDF full version. Additional info + preview on request

Document status: Active

pH measurement. Specification for reference value standard solutions and operational reference standard solutions. Original standard BS 1647-2-1984 (2012) in PDF full version. Additional info + preview on request

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Specification for capacitors for connection to power-frequency systems. Original standard BS 1650-1971 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Specification for flanged automatic control valves for the process control industry (face-to-face dimensions). Original standard BS 1655-1950 (1999) in PDF full version. Additional info + preview on request

Document status: Active