脉冲感应金属探测器是另一种金属探测器技术。它是对矿化的免疫，其他金属探测器类型将与之斗争。The detection range and performance of a PI is unaffected to the medium in which they’re used to find a metal target, meaning, it doesn’t matter where you use it be it sand, dirt,5 Best Pulse Induction Metal Detectors (Nov 2020 Review),Jan 22, 2020· If you plan on hunting in an area with high ground mineralization, a pulse induction metal detector is very important. Areas where magnetite hotrocks are common are places where you will want to choose a PI metal detector. This type of detector can find objects that are deeper than those found by VLF detectors. Searching on a salt water beach will be easier if you are using a pulse induction,7 Best Metal Detectors For The Beach In 2020 (Popular),Nov 17, 2020· Whites TDI BeachHunter Extreme Pulse Induction Waterproof Metal Detector. White's Spectra V3i HP Metal Detector with Padded Gun Style Carry Bag and Baseball Cap - 800-0329-HP. Garrett Sea Hunter Mark II Underwater Metal Detector with 2 Search Coils. Buy on Amazon. Buy on Amazon. Buy on Amazon. Buy at Kellyco.