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Belite Electronics Introduces Water Detection Technology

By Marino Boric, for EAA.org

Belite Probe

April 4, 2011 - Belite Electronics rolled out a new, patent-pending technology during Sun ’n Fun last week that is capable of detecting water in the fuel tank or fuel line. The sensor can detect water in fluid form, and is about the size of a quarter. Through the use of a small probe attached to a PC board filled with processors, the new technology discriminates between water and fuel and triggers an alarm signal to the aircraft operator/instrument when water is detected.

"The presence of water in fuel has caused many significant accidents in aviation history," Belite’s James Wiebe said, "and the use of auto fuel with ethanol content continues to exacerbate this problem because water will precipitate (settle) out of ethanol blended fuel as temperature drops, for instance, overnight.”

It can be used to detect water in drop form in all fuels. Wiebe is looking for installations in aircraft and the automotive field. The final price has not been set, but according Wiebe, it will be “really reasonable, probably cheaply priced like other Belite products.” The final product will be shown at AirVenture 2011, where they expect to have determined the pricing.

Belite's new technology provides a warning signal, which may be used in simple applications to trigger an alarm on the instrument panel. In more sophisticated applications, Wiebe noted that the warning signal might be used to drive automatic tank switching so that water is not fed to the engine.
"We believe this technology can be integrated into aircraft systems by aircraft manufacturers to provide pilots with warnings that water is present in the fuel system,” Wiebe said. “Water detection probes may be placed, for example, at low points in fuel tanks, or inline (between the fuel tank and the fuel selector or in the engine compartment).”

Belite is licensing this technology to OEMS, and will also offer simple water detection probes and warning displays for experimental aircraft.

Belite’s New Compact Digital Instrument Panel With Air Computer


Belite panel

Beside the fuel probe Belite presented the new Air Computer Digital Avionics. The compact instrument pack can fit two, and sometimes three, instruments in a 2 3/4-inch space. The new panels weigh just one pound and feature a round dial shape instrument with vertical tape-style indication. Each panel can hold up to six round instruments and two horizontal digital displays.The  panel that differs from his previous products features dual functions in a single instrument. The dual ASI/VSI, dual ASI/Above Ground Altimiter, and dual VSI/ AGA will cost $199 each. In the future, the dual Fuel Gauge Display will have a built-in water detector indicator alarm.

See video from EAA Multimedia Journalist Brady Lane below

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