metal detector is sensor
detector or metal detectors
photoelectric sensor-sense both metal & non-metal proximity sensor -sense metal only
Advanced metal detectors can check for the difference between coins and gold nuggets. You can look for other precious metals or gold rings.
A metal detector can detect all types of metal....depending on in what type of soil it is in.
A metal detector will not find vegetable matter.
The metal detector was invented in 1931 by Gerhard Fisher.
In theory, yes. In reality it depends on the distance between detector and keys. You'd pprobably need to get within a foot or so vertical distance between detector head and keys to get a signal.
No. A shoplifting alarm is not a metal detector. The sensor frames do not react to metal. They react to a special tag placed on or inside the product or package.
Look for the metal detector with the most discoveries and deepest penetration.
is there any metal detector company by the name "Zealot"
Depends on if he's a quantum "metal detector guy". If he is, then maybe.
it depends if the inhaler is metal