Development of a Multichannel Radiometer Based on Silicon Detectors for Measurement of Alpha, Beta, and Gamma Radiation of Natural Isotopes

The article presents the results of the development of a universal radiometric device for measuring the activities of alpha, beta, and gamma radiation and the volumetric activity of radon in soil, air, and water. The structure of a multichannel radiometric device with software, a diagram of a microcontroller unit with a signal conditioner, and the operation of electronic units are presented. The data of monitoring the volumetric activity of radon alpha particles and the activities of beta and gamma radiation in the soil air are given. The monitoring results showed that activities vary depending on temperature, humidity, and time of day. The device is compact, mobile, and universal and can be used both stationary and in the field. The developed RMI V1.7 program allows for long-term, real-time monitoring, and all measurements are displayed on a computer monitor.

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