Geiger-Muller Tube Extra Sensitive - Bnc. This extra sensitive GM-tube has large window which makes the detector well suited for measuring low activity sources. This provides more counts and thus improves counting statistics for more accurate determinations of half-lives, etc.The GM-tube housing is supplied with protective cover as well as protective grid in front of the window. It is sensitive to alpha, beta and gamma radiation.It is complete with removable protective cap, holder, and integral lead with BNC plug. This GM tube does NOT have built-in anode resistor, and therefore requires counter with built-in anode resistor. Suitable for use with RA67530.• Useful diameter: 28.6 mm• Recommended supply voltage: 500 V• BNC plug
