Multi-Function meter series meter is compact digital power meter, equipped with customized 6 digit, 3 row alphanumeric display. Four navigator keys & alphanumeric digits simplifies display & configuration of meter. ACE series are available with accuracy class of 1.0 IEC 62053-21 (opertational 0.5,0.2 IEC-62053-22) Modbus communication on RS 485 is optional.