Compass Display Protected From Abrasion By Coating

—Literature Available KVH Industries, Inc., designs, manufactures and markets microprocessor- based electronic heading sensors and compass systems for marine, military, communications and industrial applications.

Two recent KVH products are the Azimuth 314 digital compass and the Azimuth 100 digital compass.

The Azimuth 314 digital compass is a fluxgate compass designed for powerboats; while the Azimuth 100 is a self-contained, stand-alone compass for small boat owners.

A fluxgate compass, according to KVH Industries, is designed to read the earth's magnetic field. In simple terms, the earth's magnetic field interacts with a magnetic field created by a sensor in the compass.

The interaction of these two magnetic fields allows a determination of direction.

When manufacturing began on the Azimuth 314 compass, manufacturing manager, Jim Welsh, discovered "the completed compasses often had scratches on the LCD display window. We don't ship compasses with scratched face plates." As a result, at the beginning of the production run on the Azimuth 314, the company had to scrap several hundred face plates.

After investigation, Mr. Welsh decided that Vueguard 901® WC, manufactured by Panelgraphic Corporation, West Caldwell, N.J., was the solution. This product is a surface treatment that is applied to a variety of substrate materials.

According to Bob Millano, product manager for Panelgraphic Corporation, "Vueguard 901 not only makes those substrate materials steel wool abrasion resistant, but also resistant to many chemicals, solvents and cleaners." The use of Vueguard on the display windows of KVH products has, according to the company: reduced glare and improved readability; allowed the use of tough polycarbonate, instead of glass; and lessened crazing or cracking from harsh cleaners.

For free literature detailing KVH products, C i r c l e 8 0 on Reader S e r v i c e C a rd For further information on Vueguard 901 WC from Panelgraphic Corporation, C i r c l e 8 1 on Reader S e r v i c e C a rd

Maritime Reporter Magazine, page 36,  Mar 1989 California

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.