... range: 0~999,0000cpm,0.01~2930mSv/h;5, Unit of measurement:cpm/CPS,uSv/h;6, Detection efficiency(90Sr+90Y ... plant, countertops, flooring, walls, hands, clothes and other surfaces of the alpha and beta radioactive contamination; can also be used ... Nuclear power plant, nuclear research institutes, laboratories and other units of 3, Radioactive isotope; production plant and application departments;4, ...