Description The ddsy1088 single phase keypad energy meter measures total active energy.It is STS certified. and complies with the standards of IEC62052-11, IEC62053-21, IEC62055-41 &IEC62056-21.BS standard complied. It can be inserted the plug-in communication module to achive the AMR/AMI solution.And with built-in relay,it can be remote control. Function 1.Easily configurable Prepaid & Postpaid mode by token 2. Anti-tamper 3. Load profile 4. Exchangeable, optional communication module:GPRS/3/4G/PLC/GSM/Ethernet 5.Real time measures voltage, current, frequency, active power, etc 6.Open Protocol: DLMS/COSEM 7.Programable multi-tarrif