PI means Pulse Induction and it is used in specialty detectors created for maximum depth in very mineralized ground. PI detectors broadcast pulses and are calculated by pulses for each next. Here are five reasons to go with a PI machine more than a VLF: Volume adjustment Its effective beeping https://long-range-locator-gold-d37377.blogprodesign.com/54212962/the-2-minute-rule-for-long-range-gold-detector-price