Personal pocket-sized radiation monitor * Suitable for personal X and gamma radiation protection measurements * Provides audible dose rate indication and generates one bleep per 15 minutes in a natural background * Two types are available: o BLEEPER III, 45 keV ... 6 MeV, audible dose rate indication o BLEEPER Sv Sw, 45 keV ... 6 MeV, audible dose rate indication and display of accumulated dose (1 ... 999999) µSv on an LCD, reset function.