This standard specifies the symbols used on balancing machines, including balancing instruments. These symbols are supplementary to the graphic symbols used in my country's mechanical and electrical equipment. This standard is applicable to the representation of the functions and uses of the components of the balancing machine——indicators and controllers.
GB/T 9238-1998 history
2011GB/T 9238-2010 Symbols for balancing machines and associated instrumentation
1998GB/T 9238-1998 Symbols for balancing machines and associated instrumentation