bids are invited for hc0520587103 tvm, 0.2s class, pt:11kv / 110v, ct:3000a / 5a * hsn / sac : 7610 test certificate microprocessor based trivectormeter, 3ph, 4wire, unbalanced load, minimum display mwh, mvarh, mw, mvar, pf, freq, outage time. flush mounting, accuracy class: 0.2s. input: 110v l-l, 5a, 50hz, pt ratio:11kv / 110v ( l-l ) , ct ratio: 3000a / 5a. anti-tampering feature, meter is used in power plant to record the generator energy values. meter is used for non utility purpose. meter shall have facility for holding the recorded values even during power outage. outage time means total time duration for which meter was switched off since programming. date and time of last outage also shall be displayed. facility for downloading metered data through mri reqd. mri reader not part of supply. modbus interface with rs485 port for interfacing the following minimum process values is required: - voltage of all 3 phases, currents of all 3 phases, active power, reactive power, active energy, reactive energy, pf and frequency ( q3 ) total quantity : 3