The Fuji Electric FS-200 is a rugged and lightweight ultrasonic micrometer for measuring pipe wall thicknesses. It is the perfect companion for ultrasonic flow meter station setup, or for piping system maintenance in general. The FS-200 can scan the pipe surface and provide a profile of the inside of the pipe, revealing corrosion and isolating weak spots while systems remain up and operational. A large backlit display is easy to read and the FS-200 will run for about 200 hours on two standard batteries. No special training is required to operate the unit. The unit even indicates the stability of its own readings.