PI stands for Pulse Induction and it is used in specialty detectors suitable for optimum depth in very mineralized floor. PI detectors broadcast pulses and are calculated by pulses per next. Here are 5 causes to go for a PI machine around a VLF: Additionally they attribute the most up-to-date https://golddetectorforsale99168.post-blogs.com/53749554/gold-and-metal-detector-no-further-a-mystery