What is the primary function of a radiation survey meter?

The primary function of a radiation survey meter is to determine the presence and activity/quantity of radiation. This instrument is designed to detect and measure ionizing radiation, such as alpha, beta, and gamma rays. It provides critical information regarding radiation levels in a given area, which is essential for ensuring safety in environments where radioactive materials are present.

By measuring radiation levels, the survey meter allows personnel to gauge potential exposure risks, implement appropriate safety measures, and respond swiftly to any unexpected radiation detections. This capability is vital in various settings, including medical facilities, nuclear power plants, and research laboratories, where monitoring radiation is crucial for protecting both workers and the public.

The other options focus on unrelated functions, such as measuring temperature or assessing structural integrity, which are not the primary purpose of a radiation survey meter. Similarly, while reducing exposure is essential in radiation safety practices, the survey meter itself does not perform this action; rather, it provides the necessary data to help professionals make informed decisions that can lead to reduced exposure levels.