Micro-Ion Gauge

Granville-Phillips Companyro-Ion gauge has a wider measurement range than the glass vacuum gauges it replaces. At less than 5% of the volume of a glass gauge, the gauge installs easily in complex, tightly packed vacuum systems. The rugged, all-metal design eliminates costly downtime caused by glass breakage. Dual ion collectors (patent pending) and a metal envelope provide measurement up to 5 x 10^-2 Torr compared to approximately 5 x 10^-3 Torr for a glass gauge. The gauge has an x-ray limit equivalent to that of a glass gauge (3 x 10^-10 Torr). Dual, burn-out resistant, yttria-coated iridium filaments provide long life. Unscheduled downtime is avoided by using the second filament as a backup until the gauge can be replaced during regular maintenance procedures.

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