Portable Digital Ultrasonic Flaw Detector. Make: Rdso Approved Brand. Rdso Specifications Attached. Special In Structions- 'A' Scan Storage With Standard Accessories As Per Rdso Specification No. M&C/ Ndt/125/2004 ,Rev-Ii, January 2017 With Latest Amendments/Revision. [ Warranty Period: 30 Months After The Date Of Delivery ] ]