supply of procurement of portable digital ultrason [procurement of portable digital ultrasonic flaw detectors (ufd) with a-scan storage used for ultrasonic scanning various axles and armature shafts along with computer facility. detail technical specification as per attached annexure. note: material to be procured from rdso approved source of this material. ] , procurement of portable digital ultrasonic flaw detectors (ufd) with a-scan storage used for ultrasonic scanning various axles and armature shafts along with computer facility. detail technical specifi cation as per attached annexure. note: material to be procured from rdso approved source of this materia l. [ warranty period: 30 months after the date of delivery ] ]