Metal Detector is an Amazing tool that uses magnetic sensor to find the
metal surrounding you.
Metal detector measures nearby electromagnetic fields using the phone's
built-in magnetometer compass. The magnetic field level(EMF) in nature is
about 30~60μT(microtesla) or 300~600mG(milligauss); 1μT = 10mG.
If there is any metal in the area, the strength of the magnetic field
should increase.
The accuracy of metaldetector depends entirely on the sensor in your
device. Note that the magnetic sensor is affected by electronic equipment
(TVs, PCs, etc.) due to electromagnetic waves.
How to use: Open this app on your device, and move it around. The magnetic
field values will constantly fluctuate. That's it!
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