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Dakota Ultrasonics ZX-3 Ultrasonic Thickness Gauge

Dakota Ultrasonics ZX-3

Dakota Ultrasonics ZX-3 Ultrasonic Thickness Gauge offers a performance solution built to withstand the roughest industry conditions. The features included in the ZX-3 Series offer a quality tool that will meet or exceed your application requirements. The 5-year limited warranty indicates how we feel about the reliability and durability of the ZX-3 gauges.


Zero: Manual or auto-zero option.
Probe Diameter: Selectable probe diameter for improved linearity.
High-Speed Scan: Display the lowest reading found during a scan. Scan speed at 100Hz.
VX velocity: Measure in terms of velocity for nodularity


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


The sealed membrane 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.
Standard 4 foot cable.
Custom transducers available for special applications.

Power Source

Two 1.5V alkalines, 1.2V NiCad, or 1.5V Lithium AA cells
Typically operates for 45 hours on alkaline and 23 hours on NiCad.
The low battery indicator on display. Auto shut-off after 5 minutes of inactivity.


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.
The backlight is selectable on/off/auto, and selectable brightness (Low, Med, Hi) options.
The bar graph indicates the stability of the reading.


Dakota Ultrasonics ZX-3 thickness gauge comes with factory calibration traceable to NIST & MIL-STD-45662A.


Range: Measures from 0.025 to 36.00 inches (0.63 to 914.4 millimetres). Range dependent on material and transducer type.
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


5 Year Limited

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