No ghost hunting equipment toolbox would be complete without an affordable geiger counter! Features easy to read analog meter, red light count, anti-saturation circuitry, and audible indicator- all in hand-held convenience. Uses a halogen quenched uncompensated Geiger Mueller tube with a thin mica window. Detects alpha down to 2.5 MeV, 80+% efficiency at 3.6 MeV. Detects beta at 50 keV with 35% efficiency, and 150 keV with 75% efficiency. Detects gamma and X-ray down to 10 keV. Range of 0.02 - 50 mR/hr. Includes 9V battery. Made in USA.
Detects Alpha, Beta, Gamma, and X-rays