The Thermo Scientific™ RadEye™ B20 and B20-ER Multi-Purpose Survey Meters are simple, rugged, and reliable contamination and dose rate measurement tools for characterizing alpha, beta, gamma, and X-ray radiation. The RadEye B20 and B20-ER Multi-Purpose handheld Geiger counters provide an on-site solution for homeland security personnel, fire brigades, emergency response personnel, agencies involved in decontamination and decommissioning projects, and hospital and pharmaceutical industry personnel.