Nuclear Geiger Counter GammaGuard CT008-F Radiation Detector*MADE IN CANADA (QUANTITIES EXTREMELY LIMITED) Custom made specifically for detection of post nuclear detonation incidents The CT008 F is a compact alpha, beta, gamma detector. This makes it suitable for identifying radioactive contamination. The CT008 F is sensitive enough to pick up the radiation from household items, but can still measure up to dangerous levels. Unlike pancake Geiger Mueller tube based instruments, it is light, compact, and