The STORA TU is a modified device having the latest technologies. It is smaller and has a modern damp and dustproof body. The measurement units, errors, alarm threshold levels and real-time are displayed on a large liquid crystal display at the same time with a backlight aiding for easier viewing. The LCD also shows a battery symbol indicating the amount of battery left and the registered radiation intensity. The new version also has a Bluetooth channel to be connected with the PC. The memory is nonvolatile and offers an option to store measurement results which can be transferred to a computer at a later time. The device also functions as an intelligent detector where the informations are passed to the computer as and when the measurements take place.