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Dakota ZX Series
Ultrasonic Thickness Gauges for Corrosion & Wall Thickness Testing
The ZX Range of Corrosion Thickness Gauge are available in four different models dependent upon your requirements & required functions.
The Dakota ZX Series ultrasonic thickness gauges are reliable and easy-to-use instruments designed for accurate wall thickness measurement and corrosion inspection across a wide range of industrial applications.
Suitable for measuring the thickness of pipes, tanks, pressure vessels, boilers and more, the Dakota ZX-1 and ZX-2 gauges provide fast and precise ultrasonic testing for maintenance, inspection and NDT professionals.
Commonly used in the oil & gas, marine, manufacturing and power generation industries, the ZX Series offers dependable performance for routine corrosion monitoring and material thickness testing.
Compact, portable and rugged, these ultrasonic thickness gauges are ideal for both field inspection and workshop environments.
Each thickness gauge provides the inspector with increasing functionality - from the entry level Dakota ZX1 Thickness Gauge, to the top of the range Dakota
ZX6-DL Corrosion Thickness Gauge.
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Each Dakota ZX Thickness Gauge has been designed to withstand the harshest environments, made from an extruded aluminium body and is equipped with a LCD screen for improved visibility during sunlight.
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Producing repeatable and reproducible measurements, the Dakota ZX range is available with a 5 year manufacturer's warranty, giving you that extra peace of mind.
Key Features of the Dakota ZX Series Ultrasonic Thickness Gauges
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Comprehensive range of ultrasonic thickness gauges for corrosion inspection and material thickness measurement.
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Models Include: Dakota ZX1, ZX3, ZX5-DL and ZX6-DL models for a wide range of NDT applications.
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Suitable for measuring pipes, tanks, pressure vessels, boilers, structural components & more.
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Accurate and repeatable ultrasonic wall thickness measurement on common engineering materials.
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Portable, lightweight and rugged instruments designed for field and workshop inspection environments.
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Simple operation with fast calibration for routine inspection and preventative maintenance programmes.
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Selected models feature multiple calibration options, data logging and enhanced measurement capabilities.
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Ideal for corrosion monitoring, ultrasonic testing and general NDT inspection across industrial sectors.
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Commonly used in oil & gas, marine, manufacturing, petrochemical, power generation and engineering industries.
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Clear LCD displays and intuitive controls for efficient day-to-day inspection work.
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Compatible with a range of ultrasonic probes and transducers for different testing applications.

Dakota ZX Series Models
Dakota ZX-1 Ultrasonic Thickness Gauge
The ZX1 is the entry level to the Dakota ZX Series, it features keypad adjustable velocity for measurement & is pre-calibrated to measure steel, allowing the inspector to simply take the gauge out the box and measure.
ZX1 Measurement range on included transducer: PE: 1.5 - 200mm / (0.059 - 8")
Dakota ZX-3 Ultrasonic Thickness Gauge
The ZX3 offers adjustable velocity for calibrating to a variety of different materials, an adjustable gain feature for additional versatility to control the overall output of the gauge. (The gain range is 40dB – 52dB in 3dB increments) & a high speed scan mode.
ZX3 Measurement range on included transducer: PE: 0.63 - 914.4mm / (0.025 - 36")
Dakota ZX5-DL Ultrasonic Thickness Gauge
The ZX5 & ZX5-DL include all of the features of the ZX3 with the below additional features:
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Differential Mode of the ZX5 provides the user with the ability to set a nominal thickness value and measure the +/- difference from the value entered. This feature is typically used in QA incoming inspections on pipes, plate stock, coils, etc.
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Alarm mode - The Alarm feature of the ZX5 provides a method of setting tolerances, or limits, for a particular application requirement. This feature may be used for a variety of applications to verify the material thickness is within the manufacturer specifications/tolerances. The settings available are:- ON/OFF/BEEP, where beep enables the audible beeper. Both the on and beep settings will illuminate the led alarm lights above the keys on the keypad. There are two limit values HI/LO, that can be set according to specified tolerances to alert the user.
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ZX5-DL Model includes a Data Logger, a convenient sequential style data logger that’s intuitive to operate. By ‘sequential’ meaning a single column of 250 measurements and a total of 40 individual .csv files, for a total storage capacity of 10,000 measurements. These files can then be transferred to a PC using the USB-C to USB type A cable included in the kit.
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ZX5 Measurement range on included transducer: PE: 0.63 - 914.4mm / (0.025 - 36")
Dakota ZX6-DL Ultrasonic Thickness Gauge
The ZX6-DL corrosion gauge is the top of the ZX line of thickness gauges. It combines everything as per the ZX5-DL, with the addition of measuring thru-paint. A standard pulse-echo flaw detection measurement mode with a multi-echo through paint mode for use on materials with epoxy based coatings, eliminate the error from the coating without having to remove it.
Equipped with adjustable gain, as well as automatic Time Dependent Gain in both measurement modes.
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ZX6 Measurement range on included transducer:
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PE: 0.63 - 914.4mm / (0.025 - 36")
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EE: 2.54 - 152.4mm / (0.100 - 6.0“)* - *Additional Transducer Required.


