metal detector underground hima ar944m exploration silver yuan ancient coins gold archaeological treasure detector treasure finder

metal detector underground hima ar944m exploration silver yuan ancient coins gold archaeological treasure detector treasure finder 中文版

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行车记录仪,汽车启动电源,GPS定位器,监控器,机顶盒,扫描仪,考勤机,智能手表手环,血压计,血氧仪等新奇特产品

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产品简介

金属探测器利用电磁感应的原理，利用有交流电通过的线圈，产生迅速变化的磁场。这个磁场能在金属物体内部能感生涡电流。涡电流又会产生磁场，倒过来影响原来的磁场，引发探测器发出鸣声。

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包装规格

Update time：20241104131318

加工定制	否	类型	金属探测器	品牌	SmartSensor/希玛
型号	AR944M	重量	2380g（kg）	用途	金属探测仪