it can anti-tests the Accurate velocity
Under the known thickness of the complex and unknown materials
easy to use under the dark environment
different chip sizes of double crystal probes
Adopt Wenner sensor array (50 mm of spacing) to test concrete resistivity
Ultrasonic Thickness Gauge - ASI-UTM-9 Eco CIVIL ENGINEERING Non-Destructive Construction Testing Equipment it can anti-tests the AccurateFeatures Under the known thickness of the complex and unknown materials, it can anti tests the Accurate velocity; Set up the upper and lower tolerance, auto alarm if exceed; State prompt function; Suitable for measuring the thickness of metal (steel, cast iron, aluminum, copper etc.), plastic, ceramics, glass, and glass fiber etc. Can be equipped with many different frequencies, different chip sizes of double crystal probes; Zero and two calibrations,