SecurityWorldMarket

04/11/2006

Scanna launches handheld explosive liquid detector

London, UK

In response to the recent aviation threat involving the use of ordinary drinks bottles to carry liquid explosives onto aircraft, security screening specialists Scanna are launching a handheld liquids detector, namely LiquidScan, for detecting flammable and explosive liquids inside sealed containers at Counter Terror World in December.

LiquidScan lets you quickly and safely check the contents of various vessels such as plastic and glass bottles as well as aluminium drinks cans. It provides detection of flammable and explosive liquids inside these type of vessels without violation of any seals or tape.
LiquidScan is able to distinguish substances such as gasoline, incendiary mixtures, acetone, nitroglycerine, various spirits, ethers and other dangerous liquids from water, soft drinks, alcoholic drinks, dairy products, etc
The apparatus exploits a technique called Quasistatic Electrical Tomography. This technique estimates the spatial distribution of electric properties of a medium and can determine the characteristics of a liquid irrespective of the size of container, thickness of its wall or presence of air gap between the device and a vessel. In turn, the electrical properties of the liquid (permittivity and conductivity) determines whether the liquid is either flammable or explosive.
LiquidScan is completely electronic and does not contain any radioactive or microwave source or any other potentially dangerous parts.
The device does not require any adjustment or preparation and is very easy to use. simply hold the sensor of the device close to the surface of the container you wish to check below a level of a liquid and press the button.
A green light shows that a liquid inside a vessel is not flammable or explosive while a red signal indicates the presence of potentially dangerous contents.
Industry applications will include the checking for liquid IEDs and checking bottles for liquid explosives and other flammable liquids. It will be used for rapid checks at airports and mass transit passenger checks, prisons and customs, security checkpoints, sports and entertainment venues and will also have applications in receptions and mailrooms.



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