You searched for: “ionization gauge
ion gauge, ionization gauge, ionization vacuum gauge
1. A device that determines the degree of vacuum in an electron tube by measuring the amount of ionization current in the tube.
2. A device; such as, a Geiger counter, that determines the amount of radiation in a medium by measuring the ionization generated by charged particles passing through a gaseous substance.
This entry is located in the following unit: ion, ion- + (page 2)