Title :
Light sensitive process control
Author_Institution :
Westinghouse Elec. & Mfg. Co., East Pittsburgh, Pa.
Abstract :
Many industrial processes require accurate control of the concentration of solutions. Two regulator schemes for automatically controlling such concentrations are described in this article. Light sensitive tubes form the heart of these schemes.
Keywords :
Bridge circuits; Educational institutions; Electron tubes; Feeds; Process control; Regulators; Relays;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1933.6430409