instrument-type relay
instrument-type relay
[′in·strə·mənt ‚tīp ′rē‚lā] (electricity)
A relay constructed like a meter, with one adjustable contact mounted on the scale and the other contact mounted on the pointer. Also known as contact-making meter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.