Single Rail Tester (Srt) is basically specially developed ultrasonic flow detecting medium which is used for rail testing purpose. As a reliable multi channel based testing apparatus, this testing system uses high performance digitizer to produce ultrasonic wave length. Its multi color display screen enables its operator to locate probe within a specific time. The measured data can be printed by connecting this tester with PC. We are a distinguished manufacturer and exporter of Single Rail Tester (Srt) that can be obtained at reasonable price range.