Topinst TG 120 is a portable ultrasonic tester or ultrasonic thickness gauge with an easy-to-read 4-digit display. This ultrasound-based thickness meter uses a miniature contact transducer (included) to measure the thickness of ferrous and non-ferrous metal, glass, plastic and other homogeneous materials including aluminum, brass, copper, iron, lead, nickel, steel, gold, titanium, pyrex and quartz glass, nylon, polyethylene and silicone rubber.

See accessories for standard, high-temperature and replacement transducer, contact gel and ISO calibration options.