Dakota Ultrasonics MMX-6

Discontinued Replaced with ZX-6

The Dakota Ultrasonics MMX-6 is a simple to use hand-held Ultrasonic Thickness Gauge with the ability to measure through paint and coatings and eliminate the thickness of the paint or coating.  The Dakota Ultrasonics MMX-6 uses a dual element style transducer.  With the single press of a button, the Dakota Ultrasonics MMX-6 can be switched between pit or flaw mode (pulse echo) and through paint/coating mode (echo-echo) from maximum inspection efficiency.  The Dakota Ultrasonics MMX-6 is equipped with a bundle of features to make your job easier: alarm mode and high-speed scan are the main features of the MMX-6.  The Dakota Ultrasonics MMX-6 come as a complete kit ready to use and is backed 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

Features: differential Mode; enter acceptable thickness value, the unit will display +/- the difference from the value entered

Alarm Mode: Enter the minimum acceptable thickness value, if the measurement falls below the minimum, red led wid will illuminate and sound beeper.  If the measurement is above the minimum value, green led will illuminate

Multi-Mode: toggle between Pit/Flaw Detection (Pulse/Echo) and through Paint/Coatings (Echo-Echo Mode) with the single press of a button


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