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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.
Radiological Tech Job Description. Radiological technicians, sometimes called radiographers, help identify medical issues by creating x-ray pictures, or radiographs, of various sections of an individual's body.Technicians must follow specific directions given by physicians in order to get the images of the correct areas of a patient's body. voluntary certification is offered by the American Registry of Radiologic Technologists (ARRT), and many employers prefer to hire radiographers who have been certified. Certified radiographers have the flexibility to practice freely in most states since ARRT certification is accepted everywhere.