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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. 

Ultrasonic Tester TG 120

  • Measurement range 1 ... 30 mm
    Accuracy ± 0.1 mm
    Contact transducer (included) 5 MHz frequency, 7 mm diameter
    Surface temperature for probe -10 ... +50 °C / +14 ... +122 °F
    Resolution 0.1 mm
    Display   4 digit
    Operating conditions 0 ... +40 °C / +32 ... +104 °F, 20 ... 90 % RH
    Possible materials Ferrous and non-ferrous metals, steel, plastic, glass, gold and other homogeneous materials (without air pockets)
    Sound velocity 500 ... 9999 m/s
    Adjustable velocity speed 1 m/s increments
    Calibration standard 3.0 mm steel (built-in on face of device)
    Automatic power off After approx. 3 minutes of inactivity
    Power 2 x 1.5 V AA batteries (approx. 250 hours of battery life)
    Dimensions 127 x 67 x 30 mm / 5 x 2.64 x 1.18"
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