Supply And Testing Of 04 Nos Abt Meters With Rs232 Rs485 And Ethernet Ports With Dlms Pr Otocol. System: 3 Phase 4 Wire, Pt Ratio: 132Kv /Root3:110V /Root3, Ct Ratio: 400/1A With Accuracy Class: 0.2S Make: Secure Apex 150, Genus,L&T Or Similar. Note: The Meters Testing Should Be Done At Nabl Testin G Lab In Presence Of Railways And Upptcl Officials. [ Warranty Period: 120 Months After The Date Of Deliv Ery ] ]