Metal Sniffer Free - Metal Detector & Tesla Meter

De 海文 王 en AppTrack Ninja.

This app measures magnetic field using a magnetic sensor that is built into your device. The magnetic field level (EMF) in nature is about 49μT(micro tesla) or 490mG(milli gauss); 1μT = 10mG. When any metal is near, the value of magnetic field will increase. Usage is simple: Open the app, and move it around. The magnetic field level will constantly fluctuate. That's it! You can find electrical wires in the walls (like a stud finder) and iron pipes in the ground. A lot of ghost hunters had downloaded this app, and they had experimented as a ghost detector. The accuracy depends entirely on your…

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