supply of supply, installation, commissioning and testing of portable digital ultrasonic flaw detector with standard accessories and spares as per rdso specification no. m&c/ndt/125/2004, rev-ii, january2017 and as per els/ed technical specification enclosed. in built arrangement for storing and re-calling as and when required with minimum 100 calibration test data and 10,000 a-scan patterns. the usfd should have the provision for copy all a-scan patterns at a time from the equipment to pen drive through usb port as well as directly from equipment to lap top/ pc with single key operation. required angle probes along with normal probes:-12.5 degree, 15 degree, 17.5 degree, 20 degree, 22.5 degree and 1.25 mhz probe. make-eeci, modsonic.