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This is the adjustment of scientific instruments using a known standard to make them ready for measurement. NIWA carries out callibration on all of their measuring equipment to match international standards.
![Front and rear views of a Mark I dosimeter badge. [NIWA]](/sites/default/files/styles/card/public/2024-01/personal_dosimeter.jpg?h=84907816&itok=w-15CPfK)
