G50 series race cars use specialist pressure sensors

Written by: Chris Shaw | Published:

Leeds based Ginetta Cars has selected Variohm EuroSensor EPT3100 pressure transducers to monitor oil, fuel and water pressure across all of its G50 series race cars.

The 300bhp G50 'Cup' race car which was voted Autosport Magazine's 'Car of the Year 2008' is exclusively used for the single make Michelin G50 Championship which starts again in April 2010.

With a modest upgrade this car is eligible for British, European and World GT4 racing and took the British GT4 title in 2008 against the likes of Aston Martin, Nissan and Maserati. A newly introduced G50Z version features a 400bhp Ford Zytek engine and is aimed at top level GT sprint and 24 hour racing. The latest derivative, the G50HC (Hot Climate) is built for the Middle East race car market and is designed for track temperatures up to +60ºC.

Throughout the G50 series, engine control unit and data logging systems are used to enable optimum performance and Variohm's EPT3100 series pressure transducers have been built to address applications where performance and reliability need to be balanced with lightweight design, compact dimensions and competitive cost.

According to Variohm, the EPT3100's thin film measuring cell and output circuit technology provides pressure output from 0.25 to 4000bar in several range options with accuracy better than +/- 0.8% and stability more than +/-0.1%. Output options include 0 – 5V, ratiometric and 4-20 mA with up to 32V input.

The EPT3100 incorporates a 1000g shock rating and 25g peak vibration rating at 20 to 2000Hz. The IP66 rated sealed sensor is housed in a ruggedised and hermetically welded 304 stainless steel casing, weighing 60grams and measuring 22 diameter x 54mm long. There is a choice of miniature or standard DIN43650 connectors, or flying leads and it has an over range pressure rating of 2x and burst pressure capability to 5x, with a rated life of more than ten million pressure cycles.

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