procurement of digital ultrasonic double rail tester with 9 probes.procurement of digital ultrasonic double rail tester with 9 probes., digital ultrasonic double rail tester with 9 probes on each rail and minimum two base lines coloured signals and real a-scan pulse echo with continuous recording of b-scan storage of each probe alongwith data setups. as per rdso specification rdso / m&c / ndt / 130 / 2007 ( b-scan ) rev-iv, august 2021 version no. 5.0 effective date: 31.12.2022 along with all standard accessories ( rdso technical specification enclosed ) . [ warranty period: 36 months after the date of delivery ] , digital ultrasonic double rail tester with 9 probes on each rail and minimum two base lines coloured signals and real a-scan pulse echo with continuous recording of b-scan storage of each probe alongwith data setups. as per rdso specification rdso / m&c / ndt / 130 / 2007 ( b-scan ) rev-iv, august 2021 version no. 5.0 effective date: 31.12.2022 [ warranty period: 36 months after the date of delivery ] , digital ultrasonic double rail tester with 9 probes on each rail and minimum two base lines coloured signals and real a-scan pulse echo with continuous recording of b-scan storage of each probe along with data setups. rdso sprc:-rdso / m&c / ndt / 130 / 2007 ( b-scan ) rev-iv, august 2021, version no. 5.0 , effective date: 31.12.2022 along with all standard accessories. [ warranty period: 36 months after the date of delivery ] , amc for the period of five ( 5 ) years after expiry of warranty period ( 36 months ) for , amc for the period of five ( 5 ) years after expiry of warranty period ( 36 months ) for , amc for the period of five ( 5 ) years after expiry of warranty period ( 36 months ) for