His software does the timing, and sounds a buzzer upon metal detection. It’s a deliciously simple implementation, and while as he shows us in the video below the break its relatively small coil ...
If the individual refuses to submit to a metal-detection screening ... is $20,500 for a complete metal detector unit and two ...
Handing police the power to use metal detection wands to search anyone for knives and other weapons carries an unacceptably high risk of unlawfully interfering with human rights, the ACT's Human ...
This advance screening is possible using ferromagnetic detection systems (FMDS ... that also deploys tactics like roving security guards, walk-through metal detectors and hand wands. FMDS simply gives ...