This company introduces the newest member of its family of quality gages, the PosiTector(r) Ultrasonic Thickness Gage. The gage can measure wall thickness and the effects of corrosion or erosion on tanks, pipes or any structure where access is limited to one side. The durable gage features a two-button menu driven user interface with a large easy-to-read graphics display. Simply select from a list of common materials including everything from steel and aluminum to plastics and glass or enter your own velocities with ease. For more information, phone 800/448.3835 or 315/393.4450; e-mail techsale@defelsko.com; or visit www.defelsko.com.