What is BS EN 61143-1 - Definitions and requirements of X-t recorders ?
BS EN 61143-1 is an international standard that discusses the definitions and requirements of electrical measuring instruments .
BS EN 61143-1 applies to X-t recorders used for the measurement of voltage and current which measures and records analogue electrical quantities as a function of time. BS EN 61143-1 also applies to a recorder whose chart scale lines do not correspond directly to the electrical input quantity, provided that the relationship between them is known. For the measurement of other electrical quantities, the relevant parts of IEC 51
BS EN 61143-1:1994 history
0000 BS EN 61143-1:1994(1999)
1992BS EN 61143-1:1994 Specification for electrical measuring instruments. X-t recorders - Definitions and requirements
1992BS EN 61143-1:1992 Specification for electrical measuring instruments. X-t recorders. Definitions and requirements