Metal detectors question

by Stanley514
Tags: detectors, metal
Stanley514 is offline
Jul1-11, 07:12 PM
P: 292
The hendheld metal detector I found in store doesn`t seem able to detect small pieces of aluminum from small distance.Do exist some type of metal detectors which are able to detect nearly all metals?And maybe not even only metals but also semiconductors?I need something that could detect pieces which could weight parts of one gram from distance of 10 cm (4 inches).
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