supply of supply and installation of ultrasonic leak detector machinesupply and installation of ultrasonic leak detector machine,supply and installation of ultrasonic leak detector machine for leak detection from pipe line o f air brake system in all type wagons of indian railway, with head phone probes, probe holder. each machi ne show accompany. 1) leather /equvalent make handy carrying case with adjustable shoulder strap, sepa rate space will be (for m/c head phone, probes for concealed and open composed on pipe line. 2) probe hol der with for double stich. 3) spare battery 5 sets. technical specification as per annexure attached. make/b rand - skf, model no.-tksu10 or similar. [ warranty period: 30 months after the date of delivery ] ]