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Geiger counter
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Geiger counter
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Also called:
Geiger-Müller Counter
Key People:
Hans Geiger
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Geiger counter
Geiger counter

Geiger counter

radiation detector
Also known as: Geiger-Müller counter
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

Geiger counter, type of ionization chamber (q.v.) especially effective for counting individual particles of radiation.

This article was most recently revised and updated by Amy Tikkanen.