G01R22/00	Arrangements for measuring time integral of electric power or current, e.g. by electronic methods (electromechanical arrangements G01R 11/00; monitoring electric consumption of electrically-propelled vehicles B60L 3/00) [4]
	Note(s) An arrangement for measuring time integral of electric power is classified in group G01R 21/00 if the essential characteristic is the measuring of electric power.[4]