Dakota Ultrasonics MX-3

Discontinued Replaced with ZX-3

The Dakota Ultrasonics MX-3 ultrasonic Thickness gauge is easy to use, versatile gauge, quickly calibrated on site by the user to give reliable, accurate thickness measurements on a wide variety of material substrates.  Taking 16 readings per second the high-speed scan mode allows the user to quickly scan an area of material for defects or to identify its thinnest point, ideal for pipelines or large test surfaces.

With the handheld Dakota Ultrasonics MX-3 Ultrasonic micrometer, you can make reliable measurements or scan a length of material for the thinnest point.   The tool’s backlight display is easy to read, even in the dim light and the unit operates for up to 200 hours on a single set of batteries.  The MX-3 comes complete, ready to use and is protected by Dakota Ultrasonics 5 year limited warranty.

Applications for us:

  • Corrosion & Pitting
  • Boilers
  • Tube & Pipe
  • Tanks
  • Glass


Range: Measures from 0.025″ to 19.999″ (0.63mm to 500 mm)

English or Metric units

Resolution:0.001″ (0.01mm)

Four reading per second for single point measurements or 16 per second in SCAN mode

1 or 2 point calibration


Weight: 10 ounces

Size: 2.5 W x 4.75 H x 1.25 D inches | 63.5W x 120.7 H x 31.8D mm

Operating Temperature: -20 to 120F (-20 to 50C)

Case: Extruded aluminum body/nickel plated aluminum end caps, resistant to impact and environmentally sealed


Dual element (transmit and receive)

1 to 10 MHz Frequency ranges available

Locking quick disconnect Lemo connectors

4 foot Cable (potted on removable)

Power Source

Two 1.5V Alkaline

Typically operates for 200 hours on alkaline


5 year limited