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ZX5-Data Logging Ultrasonic Thickness Gauge

The Dakota ZX5-DL ultrasonic material thickness gauge are basic dual element thickness gauges with the ability to locate blind surface pitting and internal defects / flaws in materials. They are capable of measuring the thickness of various materials with accuracy as high as ±0.001" (±0.01 mm). They offer a performance solution built to withstand the roughest industry conditions.

The ZX5 ultrasonic thickness gauge provides the capacity of the ZX3 including multiple thickness of various material types. In addition, the ZX5 thickness gauge features:

  • Datalogging with PC data download
  • Differential mode
  • Alarm mode for high – low settings
  • VX velocity: allowing velocity measurement in nodularity testing

The ZX5 series is ideal for measuring material thickness or corrosion & pitting in pipes, tubes, boilers, tanks, a variety of other applications.

Product Specification

Total Measuring Range

0.025 - 36.000 inches
0.63 - 914.4 mm
(depends on material and transducer/probe type)

Measuring Range

0.040-8.000 inches
1.00-199.9 mm
(with standard transducer T-102-2000)


0.001 inch (0.01 mm)

Display Backlight

Backlight is selectable on/off/auto, and selectable brightness (Lo, Med, Hi) options

Velocity Range

0.0120 to .7300 in/μs. 305 to 18,542 meters/sec


200 Hz

Probe (Standard)

1/4", 5 MHz Dual Element Transducer, actual wearface is 5/8" (17mm), p/n T-102-3300

Probes (optional)

1 to 10 MHz, 3/16" up to ½” (custom probes available)

Probe Wearface

PEEK (Polyethylethylkytone)


1.2m (4ft.) waterproof cable with non-polarized, quick-disconnect connectors

Temp. Limits

Ambient: -30 to 75° C (-22 to 167° F)
Material: -20 to 100° C (0 to 200° F)
High temperature probes available

Battery Type

2x AA batteries (rechargeable batteries can be used)

Battery Life

45 hours continuous use


308 grams (11 ounces)


63.5 x 131.3 x 31.5 mm (2.5" x 5.17" x 1.25")


Probe/cable assembly, 4 oz. bottle of coupling fluid, NIST Calibration Certificate, 2 AA batteries, operating instructions, hard-plastic carrying case.


Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed)

Housing Rating




NIST Traceable and MIL-STD-45662A


Sealed membrane that is resistant to both water and petroleum products
Seven or eight tactile-feedback keys

LCD Display

Multi-function 7 segment 4.5digit liquid crystal display with 0.500"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

Display Update Rate

10 Hz (10 updates/sec)

Display Backlight

Backlight is selectable on/off/auto, and selectable brightness (Lo, Med, Hi) options

To Lock Settings

With gauge powered off, press and hold the "+" key while powering on the gauge
The LOCK icon will be illuminated on the Display

To unLock Settings

With gauge powered off, press and hold the "-" key while powering on the gauge
The LOCK icon will turn off

GAIN Adjustment

Adjustable GAIN 5-position (VLOW, LOW, MED, HIGH, VHI), in 3dB steps, 40-52dB

Measuring Mode

Pulse-Echo (P-E)

Output Type

USB-C (plug-n-play, view files on PC which can be dragged and dropped)

Built-In Memory

10,000 data values stored in up to 40 batches with 250 values/batch

Memory Type

Sequential data file (single column)


Gauge: 1 Years
Probes: 90 Days

  • Built-in datalogging for 10,000 data values stored in up to 40 batches with 250 values/batch with USB Output.
  • Includes NIST Traceable Calibration Certificate
  • Data can be transferred into any program in ".csv" format or viewed in DAKVIEW4 Software (free download)
  • User can select from 8 preset materials as well as program 2 custom material velocities
  • Calibrate to a sample of known thickness which automatically calculates the optimal acoustic velocity
  • 2-Point Calibration to optimize linearity over a wide measurement range, automatically calculates the optimal acoustic velocity
  • Scan mode, 100 readings/sec. Probe is slid over a large measuring area, the minimum thickness during the "scan" will be displayed
  • Adjustable GAIN in 5 steps to fine tune the gauge for use on challenging materials or applications
  • Special-purpose probes are offered for a variety of applications (1 to 10 MHz)
  • The extruded aluminum housing is impact-resistant and environmentally sealed (IP 65) 
    to provide trouble-free operation under the toughest field conditions
  • For underwater surveying, an optional 50 ft (15 meter) underwater probe/cable is available
  • High visibility LCD Display is readable in all lighting conditions and temps as low as 22 °F (-30 °C)
  • LCD shows Thickness Value, Velocity Setting, Gain Setting, Stability & Battery Indicators, Scan Mode, Zero, units and stored data values
  • Selectable Backlight ON/OFF/AUTO
  • User-selected Manual or Auto Zero of Transducer
  • Switch-selected units for inches or mm with Resolution of 0.001 inch (0.01 mm)
  • 1 Year Warranty, CE-Certified and Made in USA
Product Info Downloads
Product Info Downloads

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