supply of supply of digital ultrasonic testing equipmentsupply of digital ultrasonic testing equipment,digital ultrasonic testing equipment for welded rail joints with lcd, lcd screen, trigonometric f unction, and a-scan storage along with data set up as per rdso specification no. m&c/ndt/129/2005, rev-ii, august 2014. warranty 36 months. [ warranty period: 36 months after the date of delivery ] , comprehensive annual maintenance contract charges for 5 years after expiry of free warranty period of 36 months. warranty period: 3 years, amc period: 5 years, rate of discounting: 10 % at (location) sse/pw/usfd/sa, sr tamil nadu 00 numbers