• Excellent performance of the Stabil-Ion sensor in a compact body; • Accurate measurement of vacuum pressure from 10-11 Torr (10-11 mbar, 10-9 Pa); • Two filaments increase the service life of the equipment; • Made in an all-metal case without the use of glass, insensitive to radio frequency interference; • Easy and quick replacement of sensors due to modular design; • Conforms to European CE requirements.