purity control

purity control

[′pyu̇r·əd·ē kən‚trōl]
(electronics)
A potentiometer or rheostat used to adjust the direct current through the purity coil.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The degree of polynomials q(s) and r(s) must satisfy the following inequality to meet the conditions of inner purity control system:
Precise water purity control enhances the chamber's cleanliness and maximizes the life of components in the humidification system.
The divisions are Industrial Controls Division (ICD), High Purity Controls Division (HPCD), and Electronic Controls Division (ECD).