Electromagnetic compatibility of measurement, control and laboratory equipment; Part 3-1 - requirements for safety-related systems.
The standard specifies EMC requirements (immunity and emission) for electrical equipment supplied at less than 1000 V AC or 1500 V DC and intended for measurement and test, industrial-process control and laboratory use, together with accessories, in industrial and non-industrial locations.
It is a product-family EMC standard; Parts 2-x give particular requirements for equipment types, while Parts 3-x concern equipment performing safety-related functions.
An EN 61326-1 declaration confirms tested EMC immunity of measuring transducers in industrial environments; Part 3-1 adds immunity requirements for equipment performing safety functions.