... , convenient installation, etc. DCM228C-R-01 Round Meter,electronic typeGENERALDCM228C-R single phase electronic socket installed active energy meter is a kind ... two wire or three wire active energy meter.It adopts micro-electronics technique, and imported large scale integrate circuit, using advanced ... 62053-21.♦ Directly connect operation. DCM228C-R-01 Round Meter,electronic type