metal detector underground hima ar944m exploration sier yuan ancient coins gold archaeological treasure detector treasure finder_比速时代

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

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

金属探测器地下希玛AR944M探宝银元古币黄金考古探宝仪寻宝器

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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：20241202145213

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