UM-1 Digital Portable Ultrasonic Thickness Gauge Ultrasonic Metal Thickness Meter Pipe Wall Thickness Instruments 0.8mm to 300mm (Steel) 0.1 mm, 0.001 inch Pulse-Echo: Amazon.com: Industrial & Scientific
Pipe Wall Thickness Tester | Qualitest
Pipe Pit Gauge For Measuring The Depth OF Pitting In Pipe