Pirani Gauges
PSG55x Advanced Pirani Gauges

Available with Tungsten (PSG550) or Nickel (PSG552) filament or with a fully ceramic coated (PSG554) sensor unit for highly corrosive applications
Optional display, setpoints and digital interfaces
Easy to exchange plug & play sensor element with on-board calibration data – guarantees high reproducibility and low cost of ownership
Selectable output signal and various plug versions for easy integration
Mounts in any orientation – provides engineering freedom in tool design
Diagnostic port on all versions
Compliance & standards: CE, EN, UL, CSA, RoHS
Typical Applications
Fore vacuum pressure measurement
Safety circuits in vacuum systems
General vacuum measurement and control from low to the high vacuum range


The INFICON Pirani Standard Gauge (PSG55x) employs like his brothers PCG55x and PSG50x the most advanced digital Pirani technology available. The rugged sensor design combined with the compact size and the variety of features qualifies as the right product for measurement from low to the high vacuum range.