This Ultrasonic Thickness Meter (TM-8811) is designed to measure thickness and corrosion of various hard materials including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron and nodular cast iron. It employs microcomputer LSI circuit advanced microprocessor technology and crystal time base to ensure high accuracy and short measuring time but it is simple and easy to operate
