proportional band


Also found in: Acronyms.

proportional band

[prə′pȯr·shən·əl ′band]
(acoustics)
One of a series of frequency bands whose members have equal band ratios.
(control systems)
The range of values of the controlled variable that will cause a controller to operate over its full range.
References in periodicals archive ?
A stiffer spring can widen the proportional band and improve stability.
Designed for fast setup and easy operation, the CE-compliant devices accept input from Type J or Type K thermocouples and offer built-in loop break and triac failure protection as well as auto-tuning with adjustable proportional band and rate.