Anordning för övervakning av reaktoreffekten hos en reaktor åtminstone vid uppstarten av denna

摘要

The output monitoring unit comprises a radiation sensor (1) for detecting the radiation dose, an analogue filter (2) for filtering electrical signals with frequency components in a particular band, and a digital transducer for converting the electrical signal. An impulse measuring unit is used to count the impulse in a predetermined frequency band, and a summary unit adds the values. A Cambell measurement unit calculates the mean area and the power monitoring unit continuously monitors counted impulses and mean area.