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Job Duties. Health physics technicians use equipment, such as spectrometers and gamma counters, to determine levels of radiation. They calculate exposure times and instruct workers in safety procedures and precautions, including the use of radiation detectors and protective gear.
The field of Health Physics is a subfield of medical physics and are similar to each other in that practitioners rely on the same fundamental science (i.e., radiation physics, biology, etc.) in both fields.ealth physicists, however, focus on the evaluation and protection of human health from radiation, whereas medical health physicists and medical physicists use radiation and other physics-based technologies for the diagnosis and treatment of disease.