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• Encrypta Electronics of Harrow, Middlesex, is enjoying considerable success
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with its Crypta II electronic sealing system, first seen in an earlier form at last year's Distribution Services Show. The unit replaces the throwaway numbered seals used on the back doors of trucks and favoured by the large retailers to reduce pilfering. Each time the doors are locked the unit generates a random number that is noted on the consignment note. If the doors are opened before the next delivery, the unit generates a new number, which would differ from that on the consignment note.
The Crypta II is bolted to the rear door or shutter and is said to be totally weather and shock-proof because it is encapsulated in a die-cast aluminium box. Sealed-in too are its four 1.5 volt batteries, so the entire unit has to be disposed-of after their fiveyear life. It weighs 2kg (4.4Ibs) and costs 195-156 plus VAT, depending on the number of units ordered. Encrypta says this cost is recouped in under two years by a multi-drop distribution vehicle that no longer needs the conventional seals. Marks & Spencer is requiring its contract carriers to fit the device as is Mothercare. Sainsbury and John Lewis are also testing it.