supply of 3phase 4 wire, 0.5s class ht tri-vector energy meter 5amp, 110 volt category a for feeder metering without modem for supply of 3phase 4 wire, 0.5s class ht tri-vector energy meter 5amp, 110 volt category a for feeder metering without modem , dlms compliant, isi marked, class-0.5s, three phase four wire, - / 110 volt, - / 5amp. static ht tri-vector energy meter ( for feeder metering ) conforming to is: 14697 / 1999, is:15959 with latest amendments and as per detailed technical specification given in annexure-v ( a ) ( category ‘a’ ) meeting all the minimum requirement specified in gtp appended in schedule-xi. 1hhu ( cmri ) to be supplied free of cost per lot of 100 meters or part thereof.