SW83d utility-ray detector using the MCU, LCD liquid crystal display, clear reading, easy to operate. Equipment imported mica window Geiger detector butterfly with high detection efficiency for α, β radiation surface contamination detection, X, γ radiation dose rate monitoring. Environmental laboratory, nuclear medicine, molecular biology, radiation chemistry, nuclear materials transport, storage and inspection areas such as α, β radiation or surface pollution detection X, γ radiation protection monitoring the ideal instrument. 
 Features 
 - Butterfly leather imported mica window detector, detection efficiency 
 - Measurable α, β, γ, X-ray 
 - Determination of surface contamination detection and 
 - Investigation of environmental pollution 
 - Determination of inert gas and other low-energy radionuclides 
 - Determination of Building and Decoration Materials Radiation 
 - When the monitoring of radionuclides in the operation of radioactive exposure that may exist 
 - Sound frequency indicates radioactivity 
 - To set the dose rate alarm threshold 
 - Portable, integrated design, light weight 
 - Low power design 
 -LCD liquid crystal display, conversational interface 
 - Count rate display CPM, CPS, μSv / h 
 - Over threshold alarm 
 - Alarm blocking 
 - Battery Failure Alarm 
 Main Specifications 
 - Measuring range: CPM :0-300, 000, CPS :0-5, 000, μSv / h :0.01-1, 000 
 - Detector: MCA-window Geiger counter (Import) effective diameter: 35mm 
 - Detection efficiency: Sr-90 (546kev, 2.3MeV βmax) about 75% 
 Am-241 (5.5MeV α) of about 36% 
 - Sensitivity: 3500CPM / mR / hr (for Cs-137) 
 - Instrument Background: Every minute counts ≤ 60CPM 
 - The relative basic error: ≤ 15% 
 - Power supply: 2 to 3 regular batteries or rechargeable batteries 5 
 - Power consumption: Power consumption of about 8mW, current ≤ 4mA 
 - Temperature range: -15 ℃ ~ 50 ℃ 
 - Humidity Range: Relative humidity ≤ 90% (40 ℃)