Used for measuring thickness and corrosion of pressure vessels,chemical equipment,boilers,oil storage tanks,etc Product Name:Ultrasonic Thickness Gauge(TM-8812C) Used for measuring thickness and corrosion of pressure vessels,chemical equipment,boilers,oil storage tanks,etc.in industries of petroleum,shipbuilding,power station,and machine manufacturing.Measuring range (metric/imperial): 1.2-225mm, ...