This is modern China-made J614γ Geiger Muller tube, measures 7.5mm diameter and 55mm long (0.313” x 2.2”). It is very sensitive to Gamma and Beta radiation, with an average background reading of 7 to 12CPM. The small size makes it extremely very well suited for miniaturized portable Geiger counters.
J614Y
SKU: BG-J614
$44.95Price
