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Thickness Gauge - Zonotip+


The Zonotip+ offers additional features in non destructive ultrasonic metal thickness testing. The Zonotip+ unit comes with an additional smaller 2.5 MHz single-element transducer which allows measuring in confined spaces. The measuring range of the thickness gauge on steel is from 0.7 to 300 mm.

The A-Scan mode in Zonotip+ metal thickness gauge allows excluding measurement inaccuracies, caused by e.g. flaws or cracks in the test object. The signal is visualized on the display as an A-Scan, which allows a more in-depth analysis of the reading. The A-Scan mode offers the following measurement options:

  • general flaw and crack detection
  • bond quality of layered materials, including delamination detection
  • thickness of layered materials




  • Solid body of light, shock-proof plastic
  • Suitable for difficult weather conditions (frost- and heat-proof)
  • Large high-contrast color display ensures visual control of the inspection process
  • Memory for 50’000 measurements
  • 4.0 MHz dual-element transducer
  • Automatic adaptation to the surface curvature and roughness
  • Automatic logging of max and min values while scanning the object
  • Measuring of the ultrasonic pulse velocity on a sample with known thickness
  • Color, sound and vibration indication when set limits are exceeded
  • USB connection to PC for data transfer
  • 8 different languages selectable
  • Metric and imperial units
  • Signal strength indication
  • Battery level indication and automatic switch off function.

Thickness measurements where only one-sided access is possible, such as


The easy-to-use Zonolink Software, included in the package, offers data download and further analysis on a PC. Communication with the computer is provided through a USB port.


The Zonotip Ultrasonic Thickness Gauge complies with the following standards:

  • ASTM E 797
  • EN 15317
Technical Data


Operating temperature-20 °C to 50 °C (-4 °F to 122 °F)
Humidityup to 85% RH with a temperature of 25 °C (77 °F)
Battery operation period9h
Powerbuilt-in LiPol accumulator
Operation supply voltage3.7 V

157 x 70x 23 mm (6.1 x 2.7 x 0.9 inch)

Weight250 g
Display typeTFT
Permissible surface roughnessRz160 / N12 / Ra = 50 µm
Minimum curvature radius10 mm (0.4 inch)
Ultrasonic velocity rangefrom 1000 to 9999 m/s
Data memory100 groups each max. 500 measurements
Interface typeUSB
Thickness resolution< 99.99 mm: 0.01 mm
> 100.0 mm: 0.1 mm
TypeDual-elementSingle-element (only Zonotip+)
Frequency4.0 MHz2.5 MHz
Measurement range (steel)0.7 - 300 mm0.7 - 300 mm
Diameter of ultrasonic element16 mm (0.6 inch)10 mm (0.4 inch)
Connector typeLEMO type 00.250LEMO type 00.250
Size45 x Ø23 mm (1.8 x Ø0.9 inch)24 x Ø16 mm (0.9 x Ø0.6 inch)
23g16 g


  • Standard 2-year limited warranty on electronic parts
  • Optional extended warranty periods up to 3 additional years