Geiger_counter@TOKYO ??????????????????? - It sets it up from the Minami-Aoyama Minato Ward Tokyo aiming at the sky of the southwest. ????????1? - It sets it internally in the glass window. ?GM????????????? - It is a simple radiation measuring instrument of GM tube. ????????????????????????????????????????????? - It is not a mean value of the multiplication at the starting time, and the count at that time can be displayed at any time for one minute. ???? = 1????????????? - CPM = Number of radiations perceived in one minute. ????????????????????????????????????????????????????????????????????????????? - ?(alpha) line, ?(beta) line, and ?(gamma) line can be detected. ??????????100cpm=0.93uSv/hr(???????????)???????? - It is possible to convert it with this device with almost 100cpm=0.93uSv/hr. ?????10-20cpm - It is 10-20cpm in normal circumstances. ?5000-6000cpm???????????????????????????? - Because the sensor is saturated with 5000-6000cpm, a numerical value any more cannot be...
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