Also found in: Acronyms.
proportional band[prə′pȯr·shən·əl ′band]
One of a series of frequency bands whose members have equal band ratios.
The range of values of the controlled variable that will cause a controller to operate over its full range.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.