Formerly ANSI MC12.1-1975 and then S50.1-1982(R1992). Applies to analog dc signals used in process control and monitoring systems to transmit information between subsystems or separated elements of systems.
Product Details
- Published:
 - 04/01/1982
 - ISBN(s):
 - 0876643896
 - Number of Pages:
 - 20
 





