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The HPX was designed specifically for use on materials that are difficult to penetrate sound, due to the lack of material consistency, grain structure, and overall thickness. With multiple high voltage pulser options, as well as filters tuned for lower frequency transducers (500 kHz – 10 MHz), the HPX compliments our product range by adding additional material types to our list of application possibilities.  Common material types of interest are Fiberglass, carbon fiber, cast metals, rubber, high density polyethylene (HDPE), fiber reinforced plastic (FRP), lead, and all steels and aluminums.  Typical target applications are Fiberglass sheets, pipes, storage tanks, aerospace composites, boat hulls, conveyor belts, composite plastics, etc.  There are a variety of features and tools to accommodate a number of material types and applications.  The electronic platform is FPGA driven for speed and accuracy.  The screen refresh rate of 25 Hz contributes to the overall responsiveness of the gauge.  The built-in data logger has two file format options, grid or sequential, and is equipped with an internal 4 GB SD card for memory.  Connectivity to a standard PC or Apple via USB-C, and used in conjunction with our Windows® PC or OSX reporting software available for download, at no charge, on our website.

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  •  Powered by a 100MHz DSP platform using FPGA technology.
  •  Three adjustable pulsers:  200 volt spike, 400 volt square wave, and 400 volt tone burst.
  • Up to 250 Hz pulse repetition rate (PRF).
  • Variable pulse width options for each pulser type.
  • 110dB gain range. Manual and Automatic (AGC), depending on measure mode selected.
  •  Time dependent gain (TDG), with variable start and slope.
  •  Impedance damping options (50, 75, 100, 300, 600 & 1500).
  • 1/8 VGA grayscale display (240 x 160 pixels). Viewable area 2.4 x 1.8 in (62 x 45.7 mm). EL backlit (on/off/auto).
  • Screen refresh of 25 Hz.
  • Single Contact & Custom 500 kHz delay line Transducers (500 kHz to 10 MHz).
  •  2 year limited warranty.

  • Size: Width (2.5in/63.5 mm) Height (6.5 in/165 mm) Depth (1.24 in/31.5 mm).
  • Weight: 13.5 ounces (with batteries).
  • Keyboard: Membrane switch pad with twelve tactile keys.
  • Operating Temperature: 14 to 140F (-10C to 60C).
  • Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).
  • Data Output: USB-C port. Windows® PC interface software.
  • Display: 1/8in VGA grayscale display (240 x 160 pixels); viewable area 2.4 x 1.8in (62 x 5.7mm); EL backlit (on/off/auto invert).

Ultrasonic Specifications

  • Measurement Modes: Pulse-Echo (contact transducer).
  • Echo-Echo (contact transducer).
  • Echo-Echo Verify (E-EV): Contact transducers.
  • Pulser: Spike – 200 volt, Square Wave – 400 volt, Tone Burst 400 volt, all adjustable with variable pulse widths and voltage settings.
  • Receiver: Manual or AGC gain control with 110dB range, varies with mode selected. Adjustable damping (50, 75, 100, 300, 600 & 1500 ohms).
  • Frequency Range: 500 kHz to 10MHz
  • Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra low power digitizer.

Power Source

  • Line Power: USB-C to PC or power outlet.
  • Batteries: Three AA cells.  Alkaline – 35 hrs, Nicad – 10 hrs, and NI-MH – 35 hrs. *dependent on pulser & backlight settings.
  • Auto power off if idle 5 minutes.
  • Battery status icon.

*dependent on material type and consistency.


  • Pulse-Echo Contact: Steel .050 in. – 100.0 ft. (1.27 mm – 30.5 M). Composites .100 in. – 5.00 in. (2.54 mm – 127 mm).
  • Echo-Echo Contact: Steel .100 in.–3.0 ft. (2.54 mm–91.44 cm).
  • Echo-Echo Verify Contact: Steel .100–6.0 in. (2.54–152.4 mm).
  • Resolution (selectable): +/- .01 inch (0.1 mm). +/- .001 inch (0.01 mm).
  • Velocity Range: 0.0122 to 0.7300 inches/µs 309.88 to 18542 meters/sec.
  • Single and Two point calibration option, or selection of basic material types.
  • Units: English & Metric


Display Views:

  • A-Scan: Rectified +/- (flaw view) RF (full waveform view). Refresh rate at 25 Hz.
  • B-Scan: Time based cross section view. Display speed variable (10 to 200 readings per second).
  • Large Digits Standard thickness view. Digit Height: 0.700 in (17.78 mm).
  • Scan Bar: Speed 10 Hz. Viewable in B-Scan and Large Digit views.
  • Bar Graph: Measurement stability.


  • Log Formats: Grid (Alpha Numeric), or Sequential (Auto Identifier).
  • Capacity: 4 Gb internal SD card.
  • Screen Capture: Bitmap graphic capture for quick documentation (.tif ).
  • OBSTRUCT to indicate inaccessible locations.
Transducer Types: 

  • Single Contact (1 to 10 MHz, and custom 500 kHz delay line (HPD1005B).
  • Locking quick disconnect LEMO “00” connector.
  • Standard 4 foot cable, custom transducers and cable lengths available.


  • Setups: 64 custom user-defined setups.
  • Gates: 3 adjustable gates, depending on measure mode selected.
  • 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.


  • Output: Direct USB-C 1.1 PC connectivity.
  • Transducer Connector: LEMO 00.


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


  • 2 year limited
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