CDV 457, Radiological Demonstration Unit

"CD V 457 Radiological Demonstration Unit equipped with probe and cable assembly. Tabletop model that operates from a 115 volt wall plug. Uses same probe & Geiger-Muller detector tube as the CD V 700. Measures both beta & Gamma radiation up to 15,000 counts per minute. Indicates the presence of radioactivity by means of the panel meter, loudspeaker, and flashing neon bulb. Operates on 100-120 volt AC 50-60 cycles. This unit has responded to electricity, but we have no means to test full functionality. Sold as is, we do not warrant its functionality. This is a non-returnable item."