Ultrasonic Calibration Blocks

Dakota Ultrasonics MMX-7

This product has been replaced by the upgraded MMX-7 v2.0. For more information click on the link - MMX-7 v2.0.

The MMX-7 has all the features of the MX and MMX gauges, with some additional features and advantages.

• Selectable Large Digits and B-Scan display options.
• An internal data logger, that stores a total of 12,000 readings and waveforms, 64 user custom definable setups, selectable transducer table for improved linearity, thru paint mode with the single press of a button, multiple calibrations and material selections options and selectable low, medium or high gain options.
• This is all nicely packaged in a very mini portable aluminum extrusion for extra durability and portability.
• The MVX-PVX view or Java-based PC software, make the thing a complete kit and then some, with a 2 year limited warranty.
  

PHYSICAL

• 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).
• Data Output: Bi-directional RS232 serial port. Windows ® PC interface software.
• 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).

ULTRASONIC SPECIFICATIONS

• Measurement Modes:
  • Pulse-Echo: flaws and pits
  • Echo-Echo: thru-paint.
• Pulser: Square wave pulser
• Receiver: Selectable low, medium, or high gain in Pulse-Echo mode or AGC gain control in Echo-Echo mode.
• Timing: 20 MHz with ultra low power 8 bit digitizer.

POWER SOURCE

• Three 1.5V alkaline or 1.2V NiCad AA cells.
• Typically operates for 150 hours on alkaline and 100 hours on NiCad (charger not included.)
• Auto power off if idle for 5 min.
• Battery status icon

MEASURING

• Range:
  • Pulse-Echo Mode: (Pit&Flaw Detection) Measures from 0.025 9.999 inches (0.63 to 254 millimeters).
  • Echo-Echo Mode: Thru Paint & Coatings) Measures from 0.05 to 4.0 inches (1.27 to 102 millimeters). Range will vary +/- depending on the thickness of coating.
• Resolution: +/- .001 inches (0.01 mm)
• Velocity Range: .0492 to .3936 in./ms 1250 to 9999 meters/sec
• Single and Two point calibration options or selection of basic material types.
• Units: English & Metric

DISPLAY

• Display Views:
  • Large Digits Standard thickness view. Digit Height: 0.400 in (10mm).
  • B-Scan: Cross sectional view.
• Display speed of 15 secs per screen.
• Scan Bar 6 readings per second. Viewable in B-Scan and Large Digit views.
• Repeatability Bar Graph Bar graph indicates stability of reading.

DATA LOGGER(INTERNAL)

• 12,000 readings and B-Scans (alpha numeric storage).
• OBSTRUCT to indicate inaccessible locations.

MEMORY:

• 16 megabit non-volatile ram.

TRANSDUCER

• 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.
• Selectable Transducers: Selectable transducer types with built-in dual path error correction for improved linearity.
• Alarm Mode: Set high and low tolerances with audible beeper and visual LEDs.
• Fast-Scan Mode: Takes 32 readings per second and displays the minimum reading found when the transducer is removed.

CERTIFICATION

• Factory calibration: traceable to national standards.

WARRANTY

• 2 year limited

MMX-7 Kit Includes: Unit, Standard Transducer (5MHz x ¹/₄"), Couplant, Manual, Plastic Carrying Case, AA Batteries and Calibration Certificate.