Police check, breathalyser and suspected drunken driving? Once upon a time this required a visit to the hospital under police escort for a blood test and exact results were required as evidence. A procedure that, including writing a report, took half a day for two policemen.
Nanopuls in Uppsala has now developed mobile equipment – a so-called evidence instrument – that provides exact and valid measurements immediately at the test site using advanced technology. The matter has been dealt with and the test result reported within about 15 minutes.
Increased demands
Earlier technology was based on American or German measurement equipment but none of the manufacturers of these have developed their equipment and measurement methods to meet new, increased demands.
Nanopuls has developed its equipment based on specifications laid down by the Swedish National Police Board. The system uses infrared technology and the fact that ethanol absorbs light of certain wavelengths. When the air passes through the measurement chamber and reaches the IR filter, any deviations are measured and registered. The process is extremely accurate and takes into account and compensates for other substances that can affect the test result.
The Nanopuls equipment is used today by the Swedish and Icelandic police, the coastguard and customs service in Sweden, and is also about to be launched in other European countries and the USA thanks to considerable interest from these markets.
Cutting-edge technology
“We use cutting-edge technology that we are convinced will make a major impact and we are at present about to open up the American market,” says Lars-Åke Lejon, managing director of Nanopuls.
The Nanopuls system, which consists of a measurement box and control unit, is called Evidenzer. The sensitive electronics and measurement equipment are pro-tected against rough handling, vibration, temperature variations and static electricity through an inner box that is suspended in a dampening material and an outer casing with frames of anodised aluminium extrusions and plastic wall panels.
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TEAM: Cooperating in extrusion design has given proven results; from left Jimmie Österberg, Hydro Aluminium Profiler, development manager Hans Olov Moberg, Nanopuls AB, and managing director Lars-Åke Lejon, Nanopuls AB.
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High quality finish
“Extrusions provide a robust, strong and lightweight construction with the possibility of adding modules,” says Hans-Olov Moberg, development manager at Nanopuls. “Furthermore, we get an attractive and scratch-resistant surface that gives the product a high quality finish.”
The measurement box and the control unit have sides of sheet aluminium that can quickly be joined together through the screw recesses in the frame extrusions. The boxes have a robust design with military finish to withstand rough handling out in the field and during transport by car, boat and helicopter.
On the verge of being launched internationally, the Nanopuls Evidenzer is prepared to prove itself!
