Dakota Ultrasonics is a manufacturer of high-quality industrial ultrasonic testing equipment for the petrochemical, aerospace, power generation, automotive, and other related industries. All of their gauges are designed for ease of use and their menu structure is easy to understand for quick and reliable ultrasonic thickness testing.

With a wide variety of thickness gauge transducer to meet every application. Ranging in diameter of 3/16, 1/4″ and 1/2″ with frequencies of 1MHz, 2.25MHz, 5MHz, 7.5MHz and 10MHz there is sure to be a transducer to fit your application. Dakota Ultrasonics manufactures all gauges in house.

All of these gauges are made from extruded aluminum and can handle most extreme conditions. Gauges come with a 5 year limited warranty.

If you have any questions, need technical support or have a request for custom items please call or email

ZX-1 Ultrasonic Thickness Gauge

The ZX-1 is preset for one material velocity (Carbon Steel).  

More Information

ZX-2 Ultrasonic Thickness Gauge

The ZX-2 has 8 preset material velocities, Steel 4340, Stainless Steel 303, Aluminum 2024, Cast Iron, Plexiglass, PVC, Polystyrene and Polyurethane.

More Information

ZX-3 Ultrasonic Thickness Gauge

The ZX-3 is the most popular, this gauge can be calibrated to any substrate.

More Information

ZX-5 DL Data Logger Ultrasonic Thickness Gauge

Same features of the ZX-3 but with a data logger.

More Information

ZX-6 Ultrasonic Thickness Gauge

The ZX-6 has all the features of the previous gauges with the addition of Echo-Echo mode, this feature allows the gauge to ignore paint coatings and only read parent material thickness.  It is also available with a Data Logger.

More Information