Digital Pocket Geiger Counter, Each

Details:

Detector : Halogen-quenched, long thin cylindrical Geiger-Mueller tube (LND712) with side wall of .012" #446 stainless steel, and with thin mica end window, Window Size : 1.5 to 2.0 mg/cm² thick, Radiation Detected : Alpha, Beta, Gamma, X-ray, Accuracy; ± 10%typical;±15% maximum