DAKOTA Ultrasonics MMX-7

• 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

• 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.

Memory:

• 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.

Features

• 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.

Certification

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

Warranty

• 2 year limited