... and mining enterprises in the field or on-site. It is a multi-functional, practical, high Cost-effective apparatus. it has ... need for the high-speed testing)10, Function of the head and tail signal resection11, High-precision real-time and delay ... analyze, save and print functions15, Windows user interface, modular man-machine dialogue16, Power Supply:180V~240V 50HZ17, The temperature of environment ...