RadiationMeasurement System is built around the Radiation Counter and GM tube along withdifferent types of radioactive sources and absorbers to study thecharacteristics of radiation, background radiation, Gms operation and theinteraction of radiation with matter. The radiation counter includes thefeatures of a preset time function, a digital rate-meter with audible beeperand alarm and digitally controlled high voltage supply and computer interfacingvia USB cable. Operation may be as a stand-alone station or directly from thecomputer when used. Data files are saved in spreadsheet compatible format forimporting in most common spreadsheets allowing the student to performcalculations and graph the results for printing. The Radiation Counter isequipped with upgraded high voltage and an internal pre amplier allowingoperation with optional scintillation detectors for gross gamma counting.