Electronic electricity meter has exchangeable circuit boards with measurement winding and display

摘要

An electronic electricity meter has circuit boards (27, 28) containing electronic components connected by a connector (20) or clamp inside the meter housing (26) with a connector unit (12) on the backplate and with a current measurement transformer winding (14), impedance or Hall element and voltage measurement connectors on the mains (27) circuit board and display (29) on the other board (28).