... Application: workplace, laboratories, hospitals RAM-SURF-1 Surface contamination detector Main technical index1, Temperature range: -10°C~+50°C;2, Keep in ... -20°C~+60°C;3, Humidity range:40%~95%RH(No precipitation water);4, Measuring range: 0~999,0000cpm,0.01~2930mSv ... /CPS,uSv/h;6, Detection efficiency(90Sr+90Y(β)):54%;7, Surface sensitivity(90Sr+90Y(β)):500;8, Probe the effective diameter:φ44 ...