GARRETT Pro-Pointer II Metal Detector multifrequency It is also injecting electrical

It is also injecting electrical current into the underground and measuring the potential difference (fall of voltage) to calculate the resistivity of the ground

A system of sending and receiving the signal

the process of scanning for possible targets is performed via the V

QUEST Xpointer Pro Waterproof Pinpointer Metal Detector

GARRETT Pro-Pointer II Metal Detector multifrequency It is also injecting electricalGARRETT Pro Pointer II Metal Detector The worlds most popular pinpointer IMPROVED! From Garretts trusted metal detection experts, comes the new Pro Pointer II. This high quality pinpointer is packed with completely new features, such as a lost pinpointer alarm, automatic closure, molded cord attachment clip, increased durability and sensitivity, and faster readjustment capability to quickly remove traces of mineralized soil, salt water, and other