Portable Digital Ultrasonic Flaw Detector To Rdso Specification No M&C/Ndt/125/2004, Rev-Ii , January 20 17, Version No-3 With Standard Accessories And Spares Or Latest. To Be Procured From Rdso Approved Sources Only. Mak E: Modsonic Instruments Mfg Pvt Ltd. , Electronic & Engg Company India Pvt. Ltd. Or Similar ..U-Vam Rdso Item Id Is 310 0265. 1.Guarantee/Warranty & Test Certificate To Be Supplied Along With Material. 2.Valid Calibration Certificate Of Validit Y One Year Issued From Nabl/Govt Approved Test Lab To Be Produced Along With Supply. [ Warranty Period: 30 Months After The Date Of Delivery ] ]