Features:It is transmitted at a constant speed and can distinguish waves reflected from the back side for this instrument.It can also be widely used in manufacturing, metal processing, commodity inspection and other materials that allow ultrasonic waves.Wide application: The ultrasonic thickness gauge is suitable for the material that conduct and reflect constant sonic velocity, such as metal, plastic, ceramic, glass, etc.The Intelligent Handheld Ultrasonic Thickness Gauge is microprocessor controlled and can measure thickness quickly and accurately and with sound velocity of various materials without ultrasonic measurement damage.This tool is capable of accurately measuring parts in different materials or industrial production, as well as monitoring pressure vessels for pipes and production equipment, as well as the extent to which various parts are corroded.Specifications:Condition:100% Brand NewWT100AWT130AMeasuring range1.00 -225.0mm1.00 -300.0mmData storage5001500Probe selectionXVOperationfrequency5MHz5MHz/2.5MHzMeasurement error±(0.5%H+0.05)mmLower limit of pipe measurement020x3mm (steel)Adjustment range of sound speed1000-9999m/sTemperature range of operation0 -40°CBattery3 Ni-MH rechargeable batteries of 1.2VUSB charging5V 1ADimensions65*146*30mm/2.6*5.7*1.2inWeight130g/4.6ozProbeMeasurementparametersMeasurementparameters5Md101.0-225.0mm1.0-300.0mm5Md6X1.0-50.0mm2. 5MX1.2-300.0mmHigh temperatureX1.2-300.0mmPackage List:1*Ultrasonic Thickness Gauge1*Plastic Box1*Instruction Manual3*Lithium Battery2*Probe1*USB Data Cable.