tender for procurement of ht ct pt operated smart energy meters with cellular based technology-- 1 isi marked, 3 phase, 3/4 wire, ht static dlms compliant trivector smart meters of accuracy class 0.5s having pt ratio -/110 volts & ct ratio -/1 ampere (category-b) with cellular based communication technology and rs -485 port. 2 isi marked, 3 phase, 3/4 wire, ht static dlms compliant trivector smart meters of accuracy class 0.5s having pt ratio -/110 volts & ct ratio -/1 ampere (category-c) with cellular based communication technology and rs -485 port. 3 isi marked, 3 phase, 3/4 wire, ht static dlms compliant trivector smart meters of accuracy class 0.5s having pt ratio -/110 volts & ct ratio -/5 ampere (category-b) with cellular based communication technology and rs -485 port. 4 isi marked, 3 phase, 3/4 wire, ht static dlms compliant trivector smart meters of accuracy class 0.5s having pt ratio -/110 volts & ct ratio -/5 ampere (category-c) with cellular based communication technology and rs -485 port. 5 common meter reading instrument (cmri) for reading (uploading) the data of different makes of meters and to have the capability to dump (download) the same to the base computer station (bcs) 6 copper wound combined ct-pt unitsfor metering purpose, o/d installations, oil immersedhermeticallysealed havingaccuracy class 0.5s consisting of3 current transformers for r/y/b phases along with 1 no. 3-phase star/star potential transformer conforming to relevant iss/ iec specifications of voltage ratio 22kv/110 v and current ratio of 25/5a, 50/5a, 100/5a, 200/5a & 300/5a. 7 copper wound combined ct-pt unitsfor metering purpose, o/d installations, oil immersedhermeticallysealed havingaccuracy class 0.5s consisting of3 current transformers for r/y/b phases along with 1 no. 3-phase star/star potential transformer conforming to relevant iss/ iec specifications of voltage ratio 33kv/110 v and current ratio of 25/1a, 50/5a, 75/5a, 100/5a, 200/5a & 300/1a