Multifunction metre, Nominal input voltage On site programmable: 100 to 600 VL- L, Nominal input Current On site programmable: 1/ 5A, Higher Auxiliary supply range: 100 to 550 V AV/ DC ( 230 V AC/ DC nominal ), Lower Auxiliary supply range: 12 to 60 V AV/ DC ( 24 V AC/ 48 V DC nominal ), Accuracy Class: 0. 5S IEC Standard 62053- 22, With RS485 with 2 Relay Modbus for communication, Impulse Led: for energy testing, IP 20 & IP 54, with LCD display, 3 phase 3W/ 4W Network, Parameters: VAF + KW + kVAr + kVA + kWH + kVArh + kVAh + PF + PA + RH + OH + NI + MM + DM + MD + NC + THD + RPM + IH, Independent Bipolar import and export energy counter, Active Energy ( KWh ), Reactive Energy ( KVArh ), Apparent Energy ( KVAh ) measurement and reactive energy inductive/ capacitive, Full scale LCD display with five parameter on screen at a time ( Load Analog bar graph, Reverse Current Indication, Phase absence indication and Phase sequence indication ), Three key program and scroll the parameter, Upgrade from RS 485 to Ethernet, THD and individual harmonics up to 31st, PT primary up to 1200 KV L- L, CT primary up to 9999A and continuous current overload: 200 %.