G20361 ^+ DOB-50 Geiger Tube
These interesting glass Geiger tubes type, DOB-50, were made in Poland during the Cold War. They operate on 390-490V, the plateau length is 50V, and they detect beta and gamma radiation. Size 70mm long x 10mm diameter. Even though these are new in a box, we test each one to make sure that it is perfect. Here in Arizona, the background click from this is one or two counts per minute.
Description
These interesting glass Geiger tubes type, DOB-50, were made in Poland during the Cold War. They operate on 390-490V, the plateau length is 50V, and they detect beta and gamma radiation. Size 70mm long x 10mm diameter. Even though these are new in a box, we test each one to make sure that it is perfect. Here in Arizona, the background click from this is one or two counts per minute.
