BS 1646-1:1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Symbolic representation for process measurement control functions and instrumentation Basic requirements
Hardcopy , PDF
31-10-2015
English
30-11-1979
National foreword
Cooperating organizations
Specification
0 Introduction
1 Scope and field of application
2 Definitions
3 Size and outline of basic symbols
4 Letter code
5 Types of line and assembly of symbols
6 Examples of use of the symbols
Table
Letter code for identification of instrument
functions
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