noun
personal dosimeter
A device worn by an individual to measure exposure to ionizing radiation, used in medical, nuclear, and industrial settings.
放射線技師は個人線量計を常に着用している。
Radiology technicians always wear a personal dosimeter.
General term for a dosimeter; 個人線量計 specifically refers to a personal, wearable device.
Compound of 個人 (individual) + 線量 (radiation dose) + 計 (meter).