MMX 7 001

DAKOTA Ultrasonics MMX-7

Part # NMMMX-7 Categories , Tags , ,

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The MMX-7 v2.0 has all features of the ZX gauges with some additional features and advantages. Selectable Large Digits and B-Scan display options, internal 4Gb SD memory, alpha numeric data storage format, 64 user custom definable setups, transducer list for improved linearity, echo-echo thru paint with the single press of a button, multiple calibration and selectable material type options, and more. This is all nicely packaged in a very mini portable aluminum extrusion for extra durability and portability! Our java based DakView PC or MAC OSX software and USB-C connectivity makes this thing a complete kit!

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Corrosion & PittingBoilers
Tube & PipeGlass
TanksVariety of Applications

  • Weight: 13.5 ounces (with batteries).
  • Size: 2.5 W x 6.5 H x 1.24 D inches (63.5 W x 165 H x 31.5 D mm).
  • Operating Temperature: -14° to 140°F (-10° to 60°C).
  • Keyboard: Membrane switch with twelve tactile keys.
  • Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).
  • Display: 1/8 in.  VGA grayscale display (240 x 160 pixels);  Viewable area 2.4 x 1.8 in. (62 x 45.7mm).  EL backlit (on/off/auto/invert).

Ultrasonic Specifications

  • Measurement Modes: Pulse-Echo (flaws, pits)
  • Echo-Echo (thru-paint).
  • Pulser: 150 volt square wave pulser.
  • Receiver: Manual or AGC gain control with 50dB range, depending on mode selected.
  • Timing: Precision TCXO timing with single shot 100MHz 8 bit ultra low power digitizer.

Power Source

  • Line Power:  USB-C to PC or power outlet.
  • Batteries:  Three AAA cells.  Alkaline – 35  hrs, Nicad – 10 hrs and NI-MH – 35 hrs.
  • Auto power off if idle 5 min.
  • Battery status icon.

  • Range:
  • Pulse-Echo Mode (P-E) – (Pit & Flaw Detection) measures from 0.025 in. to 100 ft. (0.63 mm to 30.48 Meters).
  • Echo-Echo Mode (E-E): Thru Paint & Coatings) measures from 0.100 to 6.0 in. (2.54 to 152.4 mm).
  • Range will vary +/- depending on the thickness of coating.
  • Resolution: +/- .001 inches (0.01 mm)
  • Velocity Range: .0122 to .7300 in./ms 309.88 to 18542 meters/sec
  • Single and Two point calibration option, or selection of basic material types.
  • Units: English & Metric


  • Display Views:
  • Large Digits:  standard thickness view;  Digit Height: 0.700 in (17.78mm).
  • B-Scan:  Cross section view.  Display speed variable (10 to 200 readings per second).
  • Scan Bar:  Speed 10Hz.  Viewable in B-Scan and Large Digit views.
  • Bar Graph:  Indicates stability of measurement.  Viewable in B-Scan and Large Digit views.


  • Data Structure:  Grid (alpha numeric).
  • Screen Capture:  Bitmap graphic capture for quick documentation (.tif).
  • OBSTRUCT to indicate inaccessible locations.
  • Capacity:  4 GB internal SD card.
  • Data Output:  USB-C  1.1 to PC & OSX connectivity.

  • Transducer Types:
  • Dual Element (1 to 10 MHz).
  • Locking quick disconnect “00” LEMO connectors.
  • Standard 4 foot cable.
  • Custom transducers and cable lengths available for special applications.


  • Setups:  64 custom user-definable setups; factory setups can also be edited by the user.
  • Factory setups can also be edited by the user.
  • Selectable Transducers:  Selectable transducer types with built-in dual path error correction for improved linearity.
  • Alarm Mode:  Set hi and lo tolerances with audible beeper and visual LEDs.
  • Scan Mode:  Takes 250 readings per second and displays the minimum reading found when the transducer is removed.


  • Factory calibration: traceable to NIST & MIL STD- 45662A.


  • 2 year limited
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