noun
radiation meter; radiation detector; particle detector
A device that measures ionizing radiation, such as a Geiger counter or scintillation counter. Used in scientific, medical, and safety contexts.
原子力発電所では放射線測定器が常に使われている。
Radiation meters are constantly used at nuclear power plants.
この放射線測定器はガンマ線を検出できます。
This radiation detector can detect gamma rays.
Compound of 放射線 (radiation) + 測定 (measurement) + 器 (instrument).