supply of digital ultrasonic single rail tester with 9 probes coloured signals and real a-scan pulse echo with continues recording of b-scan storage of each probe as per rdso specification n. rdso / m&c / ndt / 128 / 2007 ( b-scan ) , rev-iv, august 2021 with standard accessories. including additional 20 nos of normal probe ( 4 mhz, 18 / 20 mm diameter split crystal ) , 24 nos of 70 degree angle probe assembly ( 12 nos forward and 12 nos backward ) , 08 nos of 37 degree center ( forward and backward ) , 04 nos of 45 degree angle probe with cable for hand probing and 04 nos of 70 degree angle probe with cable for hand probing. [ warranty period: 30 months after the date of delivery ]