EM118089 EM118090 EM118091 is a single phase 2 wire MID-approved EV charger energy meter and solar bi-directional meters.These Digital electricity meter which can be used on 1 phase with a max of 16/32/45/63/80/100 ampere. The KWH meter is MID B+D-certified. It supports bi-directional metering, The total energy usage can be calculated via different calculation modes. All forward (import) and reverse (export) (re)active energy values are stored in different meter registers.