Resumen

TOLEDO ACOSTA, René et al. A new programmable zone dosimeter for operational monitoring and measurement of external gamma radiation. Nucleus [online]. 2010, n.48, pp. 27-30. ISSN 0864-084X.

ABSTRACT The detection and measurement of nuclear radiation have turn into an important aspect in the application of nuclear detectors and specifically, the Geiger Muller tubes. Endowed with high detection sensibility, robust construction and a relative simplicity of the associated circuit, the Geiger Tubes are still one of the most widely used detectors in all areas of application in physics and nuclear research. A new design of the instrument enables measurements of the environmental external dose rate of g (gamma) radiation from 0.05 µSv/h to 10 mSv/h. It consists of three elements: Geiger-Muller detector, a data acquisition and control card and the application software. The instrument is connected to the computer through a USB interface only to vary and adjust the calibration parameters. The software was developed in C programming language using the PICC4.08 compiler.

Palabras clave : measuring instruments; data acquisition systems; design; gamma radiation; gamma sources; radiation doses; radiation protection; dosimetry; certification; control; nuclear medicine; dosemeters; electronic equipment.

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