differential gap controller

differential gap controller

[‚dif·ə′ren·chəl ′gap kən‚trōl·ər]
(control systems)
A two-position (on-off) controller that actuates when the manipulated variable reaches the high or low value of its range (differential gap).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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