What is the main function of personal dosimetry devices?

The main function of personal dosimetry devices is to assess occupational radiation dose. These devices are specifically designed to measure the amount of ionizing radiation exposure that a worker receives in a particular timeframe, typically in the context of their work environment. This information is crucial for ensuring that individuals working in radiation-prone areas, such as healthcare facilities or nuclear industries, are not exceeding established safety limits.

Personal dosimetry devices, like dosimeters, track cumulative radiation exposure over time, providing vital data that can be used for monitoring health and safety practices. They help in compliance with regulatory standards and contribute to minimizing the risk of radiation-induced health effects by enabling timely interventions if doses are becoming excessive.

Other options focus on functions that do not align with the primary role of personal dosimetry. Measuring radiation output of equipment relates more to the assessment of devices rather than direct exposure monitoring. Evaluating radioactive contamination typically involves environmental assessment rather than individual exposure. Checking the accuracy of x-ray machines pertains to the calibration and operational verification of medical equipment, not the personal exposure of workers using or working near such machines.