| 摘要 |
PURPOSE:To easily analyze the cause of abnormal variation of measurement data later by making the fetch period of the measurement data short in the beginning and then longer and longer in case the measurement data varies abnormally. CONSTITUTION:When normal measuring operation is performed, a CPU 3 inputs only the measurement time and dosage rate value of each system to a RAM 4 through a system selecting circuit 1 and an I/O port 2 and at the time of a constant amount of data are saved, the data are transferred to a floppy disk 6 or 7 and displayed on a CRT display device. When a measured radiation dosage rate value exceeds a warning set value, an interruption signal is inputted from a measuring instrument whose value exceeds the set value and the CPU 3 is switched to a measurement routine in case of the generation of an alarm. Measurement intervals of a warning generation system are made short at the time of the warning generation and made longer and longer with time to display data preferentially, thereby storing and displaying environmental measurement data as well as radiation measured values.
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