Pressure transducers suit motorsport applications

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A new range of pressure transducers offers motorsport teams the combined benefits of rugged, low-cost construction, coupled with high reliability, high accuracy and a lightweight, compact design.

The ASL series pressure transducer from KA Sensors, a partner of Impress Sensors & Systems that specialises in autosport sensors, will be officially launched at the forthcoming Autosport International Engineering Show, held at the NEC, Birmingham (10-11 January 2008). KA Sensors will be showcasing the ASL series and other specialist sensors for the motorsport industry on stand number E529.

ASL series transducers measure just 21mm in diameter and can therefore be fitted into very tight spaces on vehicles or motorcycles. Manufactured in the UK at Impress Sensors & Systems’ site in Aldermaston, the ASL series transducers are suitable for harsh motorsport environments, including rally cars, superbikes, touring cars and supercars. Typical on-vehicle applications include fuel pressure, brakes, oil, water, air and coolant pressure, with custom-designed sensors available for specific applications.

Peter Trevor, Sales Director at KA Sensors, comments: “The sensors are unique in that they are rugged, compact and lightweight, but also offer excellent linearity, accuracy and high reliability. The low cost comes from the fact that we are able to manufacture in medium-to-high volumes. A rally car team could use 10 to 20 of these sensors on one car, plus spares. The sensors also have a modular construction and unique programmable amplifier circuitry, which enable us to offer customers such a low price and fast delivery times.”

The sensors, which can also be used in harsh process manufacturing environments, are available in pressure ranges from 5bar up to 200bar and operate in temperatures from –20 to +100degC. The sensors are constructed from stainless steel, with ceramic (alumina) diaphragms and Viton seals (for fuel, oil and water pressure measurement) or FEP (polymer) seals for brake fluid applications. The sensors also have high resistance to shock and vibration and a fast response time.

Accuracy is +/-0.5 per cent FS. Thread sizes are M10x1 or 3/8-24 UNF (-3), although other sizes can be accommodated if necessary. Cabling is 500mm high-strength PTFE and the transducer is protected to IP67. Supply is 5V or 8-16V and output is from 0.5-4.5V (regulated and unregulated).

Le-Mans and touring car racing teams are already using the ASL series transducer for on-vehicle applications.

For more information, please contact the sales department at Impress Sensors & Systems visit

10 December 2007

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