Nuclear Radiation Detector Professional Geiger Counter Radiation Dosimeter for Customs Medical Item Type: Nuclear Radiation Detector Model: MR 50 Material: ABS Power Supply: 1 x 6F22 9V Dry Battery 680mAh ( Built In Carrying ) Radiation Types: α, β, γ and X Ray Detector Type: Geiger Counting Tube (Diameter 1.75 Inch/45mm) Measurement Range: 0.001-100mR/h, 0.01-1000μSv/h/0-300000CPM, 0-5000CPS, 0-9999X Total Energy Range: 20KeV-3MeV Measurement Accuracy: ±15% Measuring Unit: μSv/h, mR/h, CPS, CPM, Total, HDLD, Alarm Value, Electricity Alarm Value Function: Alarm threshold can be set Alarm Mode: Audible and Visual Alarm, Self Set Alarm Value (Factory setting is 4μSv) Display: 60mm x 42mm Large Screen HD LCD Display 6 Digits Digital LCD ( Including a variety of ways and labeling symbols display ) CAL Coefficient: 0.01-9999 Range Operating Temperature: -50℃-+80 Sievert, Rem Display Conversion: Yes Bar Graph Display: Yes Save Maximum Value Display: Yes Response Time: ≤3 Seconds Sensitivity: CO(60): 3480CPM/mR/h