halogen counter

halogen counter

[′hal·ə·jən ‚kau̇nt·ər]
(nucleonics)
A Geiger counter in which the self-quenching action is provided by a halogen gas, such as chlorine or bromine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.