ENCRYPTA ELECTRONICS
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• Until recently, numbered plastic or metal seals were the most common form of load security but the growth in thefts by "insiders" has encouraged research into alternatives.
Encrypta's Crypta II electronic seal's random numbering system is said to show whether a load has been tampered with.
The 2kg device measures 250 x 75 x 50nun and is mounted close to the door lock. A wire hasp attaches to the catch, threads under the locking hook and is fitted into the Crypta II block.
This generates a random seal number which is documented and can be checked en route at the push of a button.
On unloading and resealing a new number appears and the chance of the same number appearing again is said to be 10,000:1 against.
The unit retails at 2195 and has a fiveto six-year battery life. Encrypta says it will pay for itself in the first year.
The idea has won the approval of HM Customs & Excise and Marks & Spencer, which has equipped its entire fleet of 1,300 vehicles with it. Other users include Mothercare and Iceland Frozen Foods, while Tesco and Unipart are said to be evaluating it.
05 E0 RO H4 Encrypta Electronics, The Bulmore, Carleon NP6 IQR, Gwent, phone (0633) 423511.