Casella CEL CEL-440 - Manual (Page 66)

5.4 Compliance
The CEL-440 and CEL-480 Sound Level Meters comply with the EMC
Directive 89/336/EEC of the European Union. They have been tested
according to the standard delivery schedule and comply with the
following standards.
EN 50081-1 : 1992, EN 50081-2 : 1993: Generic emission
standards for residential, commercial, light industry and industrial
environments.
EN 50082-1 : 1992, EN 50082-2 : 1995: Generic immunity
standards (for both RF fields and electrostatic discharge) for residential,
commercial, light industry and industrial environments.
Page 66 - CEL-440/480 Operators Handbook
Specification