supply of supply and testing of 09 nos abt meters with rs232 rs485 and ethernet ports with dlms protocol. make:secure apex 150 or similar. note:1) ct ratio: 200/1a - 5 nos, 150/1a- 4 nos, pt ratio: 132kv/110v, 3 phase 4 wire meters. 2) the meters testing should be done at nabl lab testing in the presense of railway aptransco apspdcl officials.supply and testing of 09 nos abt meters with rs232 rs485 and ethernet ports with dlms protocol. make:secure apex 150 or similar. note:1) ct ratio: 200/1a - 5 nos, 150/1a- 4 nos, pt ratio: 132kv/110v, 3 phase 4 wire meters. 2) the meters testing should be done at nabl lab testing in the presense of railway aptransco apspdcl officials.,supply and testing of 09 nos abt meters with rs232 rs485 and ethernet ports with dlms pr otocol. make:secure apex 150 or similar. note:1) ct ratio: 200/1a - 5 nos, 150/1a- 4 nos, pt ratio: 132kv /110v, 3 phase 4 wire meters. 2) the meters testing should be done at nabl lab testing in the presense of railway aptransco apspdcl officials. [ warranty period: 120 months after the date of delivery ] ]