RJ31-1305 dosimeter yaumwini ili ndi chubu chachikulu cha geigmiller (GM) chokhala ndi chidziwitso chapamwamba kwambiri pozindikira ma radiation.Chidacho chimatenga algorithm yatsopano yosinthira, yomwe imapangitsa kuti chinthucho chizigwira bwino ntchito poyezera kulondola komanso liwiro la kuyankha.RJ31-1305 imayeza mlingo wofanana ndi mlingo ndi kuchuluka kwa mlingo nthawi imodzi.Ogwiritsa ntchito amatha kukhazikitsa ma alarm omwe amafanana ndi mlingo (mlingo) pazogwiritsa ntchito zosiyanasiyana.Deta yoyezedwa ikadutsa poyambira, chidacho chimatulutsa alamu (phokoso, kuwala kapena kugwedezeka).Chowunikiracho chimatengera magwiridwe antchito apamwamba komanso purosesa yamphamvu yotsika, yokhala ndi kuphatikiza kwakukulu, kukula kochepa komanso kugwiritsa ntchito mphamvu zochepa.