counter tube - a pulse ionisation detector consisting of a tube filled with a suitable gas, in which an electric field, sufficient to induce gas multiplication, is provided for the collection at the electrodes of charges associated with the ions and the electrons produced in the sensitive volume of the detector by the ionising radiation
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DE: kaliumarmes Zählfläschchen [T45102]
FR: flacon compteur pauvre en potassium [T45102]
