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ED-1 Heathkit Electrolysis Detector

ED-1

The Heathkit model ED-1 Electrolysis Detector indicates the extent of electrolysis currents between the boat's common ground and underwater fittings, except on boats having metal hulls. These currents, undetected, could cause gradual corrosion, and deterioration of the propeller or other metal fittings. It is particularly helpful when installing electrical equipment of any kind, or to determine proper polarity when power is obtained from a shore supply. Easy-to-build, the model ED-1 consists of a hermetically-sealed waterproof meter, a special sensing plate, and sufficient wire to install, including the necessary hardware. Mounts on instrument panel where it can be easily seen. Nautically styled to match other instruments. The ED-1 is equally applicable for salt or fresh water. Requires no power for operation, and gives instant warning to guard your boat for a life-time.

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