Cargo security screening to a greater density
Achieving a greater X-Ray penetration and screening density to enable security screening operatives to see deeper into cargo and freight.
Dual view screening has become the norm for screening cargo and the final legislation which says that all freight handlers must switch to dual view screening will come into force in January 2015. However, the aim of such legislation has always been to help screeners see more and improve the detection of hidden threats. With this in mind, it is rumoured that the next piece of legislation to be phased in will be around measuring the density to which the X-Ray can screen to for each piece of cargo.
At present some larger and more dense cargo can be difficult to screen effectively when using standard X-Ray security screening equipment. Items that contain liquid or metals in particular can cause screening issues. Machinery and engines are items that are regularly flagged for secondary screening when using standard security screening equipment.
Secondary screening causes a lot of problems for freight forwarders and cargo handlers. It can be a costly and time consuming process often delaying the transportation of goods. It usually means that permission has to be gained to open the item and carry out manual screening.
The latest X-Ray security screening devices are incorporating higher power outputs to increase the power of the X-Ray function itself and therefore allow users to screen to a much greater density.
For example a standard 200kV X-Ray security screening device can screen to a depth of around 40mm of steel, but an Astrophysics 320kV powered device can typically screen to a depth of 80mm of steel.
We recently installed the UK’s first ever powered X-Ray screening device into freight forwarding company Freightnet which is based at Heathrow airport. The device has allowed the company to efficiently screen a lot more items in just one pass and has given them a significant edge over the competition.
Yes, of course there are other high powered X-Ray security screening devices on the market. However, it is Astrophysics Inc’s clever design which combines high power with high current to give a real edge in terms of screening depth and image quality.
Coupled with the 320kV of power the Astrophysics models have 7ma of current compared to the industry standard of 1ma. It is this combination of high power and current that provide a massive 2247 total watts enabling a greater X-Ray penetration and clearer screened images.
Therefore, clearer images via a greater density of screening can be achieved with today’s technology.