ground detector

ground detector

[′grau̇nd di‚tek·tər]
(electricity)
An instrument or equipment used for indicating the presence of a ground on an ungrounded system. Also known as ground indicator.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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After five heats, the ground detector shut the furnace down.
Winners of the 1998 Gloucestershire Small Business of the Year Award, AGD Systems Ltd's record order includes the new AGD 200 Series above ground detector. The series carries the usual three-year warranty and incorporates a number of technical advances, which provide considerable benefits to local authorities and the companies installing the detectors.
The system, which includes both a ground detector circuit associated with the power supply and a ground leak detector probe located in the furnace, provides important protection against electrical shock and warning of metal-to-coil penetration [ILLUSTRATION FOR FIGURE 5 OMITTED], a highly dangerous condition that could lead to a furnace eruption or explosion.
The observatory started taking scientific data in January 2004 with just 750 ground detectors. Since then it has recorded about a million air showers, most of them produced by relatively low-energy cosmic rays.