A hand-held “meth gun” to help detect traces of methamphetamine is being developed by CDEX Inc.

The company said it has increased the device’s sensitivity and added scan capability in preparation for a second round of testing this month. The increased sensitivity allows for identification of trace quantities

of methamphetamine on most surfaces including skin and clothing.

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Law enforcement is expected to be the primary users of the device, called the ID2, which CDEX hopes to have in commercial production by the end of the year. Other users might be correctional and rehabilitation

facilities, schools and, possibly, some applications for the general public.

CDEX is a technology development company, currently concentrating its effortson developing devices to detect explosives and illegal drugs for homeland security and identifying substances in prescription medications for quality control and brand protection. CDEX is headquartered at 4555 S. Palo Verde Road, Suite 123.