DAKOTA Ultrasonics ZX-6 DL

Part # NMZX-6DL Categories , Tags , ,

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The ZX-6 series gauges are at the top of the ZX line of basic thickness gauges. They combine a standard pulse-echo flaw detection measurement mode with a multi-echo through paint mode for use on materials with epoxy based coatings, and eliminate the error from the coating without having to remove it. They are equipped with adjustible gain, as well as auto Time Dependent Gain in both measurement modes. Our limited 5 year warranty indicates how we feel about the durability and reliability of the ZX-6 Series.

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Corrosion & PittingBoilers
Tube & PipeGlass
TanksVariety of Applications

  • Weight: 11 ounces (with batteries)
  • Size: Width (2.5 in / 63.5 mm)
    Height (5.17 in / 131.3 mm)
    Depth (1.24 in / 31.5 mm)
  • Operating Temperature: -22 to 167F (-30 to 75C).
  • Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).


  • Sealed membrane that is resistant to both water and petroleum products.
  • Nine tactile-feedback keys.


  • Dual element (transmit and receive.)
  • 1 to 10 MHz frequency range.
  • Locking quick disconnect LEMO connectors.
  • 4 foot cable.
  • Custom transducers available for special applications.


  • 5 year limited.
Power Source 

  • Two 1.5V alkaline, 1.2V NiCad, or 1.5V Lithium AA cells.
  • Typically operates for 45 hours on alkaline and 23 hours on NiCad
  • Low battery indicator on display. Auto shut-off after 5 minutes of inactivity
  • Line power USB-C connected to PC or power adapter.


  • Multi-function 7 segment 4.5 digit liquid crystal display with 0.500 in digit height. Two 0.125 in14 segment fields for labels and values, and one 7 segment field for labels and values. Additional icons to indicate features and modes.
  • Backlight is selectable on/off/auto, and selectable brightness (Lo, Med, Hi) options.
  • Bar graph indicates stability of reading.


  • Sequential data storage, 40 files of 250 readings per file, for 10,000 readings.


  • Comes complete with cable and PC software.


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

  • Pulse-Echo (P-E): 0.025 to 36.00 in (0.63 to 914.4 mm).
  • Echo-Echo (E-E): 0.100 to 6.00 in base metal, and 0.001 to 0.075 in (0.0254 to 1.905mm).
    Range dependent on material types and transducer frequency & diameter.
  • Units: English & Metric
  • Resolution: 0.001 inches (0.01 millimeters)
  • Velocity Range: 0.0120 to .7300 in/μs (305 to 18,542 m/sec)
  • PRF: 200Hz
  • Display Update Rate: 10Hz
  • Gain: 40-52dB range in 3dB steps.
  • Time Dependent Gain (TDG): Used in both pulse-echo (P-E) and Echo-Echo (E-E) modes depending on transducer and frequency selected.


  • Zero: Manual or auto zero option.
  • Probe Types: Selectable probe frequency & diameter for improved linearity.
  • High Speed Scan: Display the lowest reading found during a scan. Scan speed at 100Hz.
  • Differential Mode: Display the +/- difference from a nominal value entered.
  • Alarm Mode: High & low alarm limits with audible and visual indicators.
  • VX velocity: Measure in terms of velocity for nodularity testing
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