Enermet, a meter designer and manufacturer with headquarters in Finland, has launched a revised version of its E420 meter – the improved E420i meter for three-phase household locations. It offers wide current (5-100A) and temperature ranges (-40°C to +70°C), configurable measurement and many tariff control options, and also has a configurable S0 output which can be connected to various external devices, offering the opportunity to connect to an AMR system in the future. The meter is compact and lightweight, and offers intelligent self-diagnostics and alarms indicated by LED and tampering prevention.