Product Overview The intelligent ultrasonic thickness meter adopts high performance and low power consumption microprocessor technology, based on ultrasonic measuring principle, can measure the thickness of the metal and other a variety of materials, can be all kinds of pipeline and pressure vessel in the production equipment to monitor, monitor them in the process of using the degree of corrosion after thinning, can accurately measure about all kinds of plates and all kinds of machining parts.It can be widely used in petroleum, chemical, metallurgy, shipbuilding, aviation, aerospace and other fields. Product Parameters Model: UM6500 Display: 4.5 digits LCD with EL backlight Operating principle: ULTROSONIC Measuring range(in Steel): 0.04"-9.64"(1.0mm-245mm) Resolution: 0.1mm Accuracy(depends on materials and conditions): ±(0.5%H+0.1)mm Units: Metric/Imperial unit selectable Battery specification: AAA Battery (Need four) Battery indicator: Low battery indicator Operating conditions: 0-+45℃(32℉-104℉)≤90%RH Materials measured: Only 11 types of materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron Gross weight: 1.87LB (0.85kg) Note: this product is standard with 8mm probe, if you need other kinds of probe, please contact us Product Features & Advantages High resolution measurement. Probe automatic zero calibration for system error correction. Status indicator of the coupling and low battery. Auto sleep and auto power off function to conserve battery life.