... 15%;12, Power:9 V battery a;13, Size and weight: monitor department116×74.6mm;780g;14, The detector part277×18 ... plant, countertops, flooring, walls, hands, clothes and other surfaces of the alpha and beta radioactive contamination; can also be used ... following units selected : 1, Hospital radiotherapy rooms, X ray and other departments;2, Nuclear power plant, nuclear research institutes, laboratories ...