White’s Electronics Matrix 100 - Color - Manual (Page 18)

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This is an example of procedures for using a handheld metal detector that has at least a
10-inch zone of direction.
(The preceding guidelines and illustrations were produced by the National Institute of
Justice in their report titled The Appropriate and Effective Use of Security Technologies
in U.S. Schools. National Institute of Justice, U.S. Department of Justice: Washington, DC
(September 1999) Available online at: http://www.ojp.usdoj.gov/nij/pubs-sum/178265.
htm)
There have been no conclusive studies showing that the magnetic fields
generated by handheld metal detectors will or will not affect personal medical
electronic devices (PMEDs), such as pacemakers, cardiac defibrillators,
infusion pumps, spinal cord stimulators, etc. Therefore, caution should be
used when operating handheld metal detectors near people with the PMEDs.
Scanning a Person