Product Description 【Product Descriptions】 Ultrasonic Thickness Gauge DB22-TM240A series include two model; Using the latest high performance andlow power consumption micro processing technology,applicable to measure the thickness of metal and othermaterials base on the ultrasonic operating principle. 【Product Features】 * Coupling state prompt functions. * Automatic shutdown and manual shutdown function. * Automatic memory material code and sound velocity value, convenient use. * Use USB data output and RS-232 data output with connection PC.* Provide Bluetooth™ data outputchoice. 【Product Specifications】 【Product Accessories】