Clamp meters; Current-meters; Data meters; Digital panel meters; Electric current meters; Electrical meters; Electricity meters; Electronic meters; Frequency meters; Instruments for the processing of data for utility meters; Meters; Meters for measuring current; Meters for measuring electrical current; Meters for measuring electrical resistance; Meters for measuring electrical voltage; Meters for measuring values of electrical parameters; Meters for measuring voltage; Meters incorporating multimeters for measuring electrical current; Meters incorporating multimeters for measuring electrical resistance; Meters incorporating multimeters for measuring electrical voltage; Meters incorporating visual displays (non-medical); Millivolt meters; Panel meters; Phase angle meters; Polyphase electricity meters; Power meters; Power system meters; Volt meters; Voltage meters; Apparatus for managing energy supplies; Devices for measuring energy; Devices for switching over energy tariffs; Electrical apparatus (other than generators) for use in energy supply; Energy control devices

Advisory services relating to energy efficiency; Advisory services relating to the use of energy; Consultancy in the field of energy-saving; Energy auditing; Energy use and conservation consultancy; Recording data relating to energy consumption in buildings