Iraq has bought thousands of the detectors for a total of $85m (£52m).
The device is sold by Jim McCormick, based at offices in rural Somerset, UK.
The ADE-651 is in use at most checkpoints in Baghdad
The ADE-651 detector
has never been shown to work in a scientific test.
There are
no batteries and it consists of a swivelling aerial mounted to a hinge on a hand-grip. Critics have likened it to a
glorified dowsing rod.
Mr McCormick told the BBC in a previous interview that "the theory behind dowsing and the theory behind how we actually detect explosives is very similar".