T-071-N Vacuum Sensors Overview Glass Ion Gauge Tubes Product Detail (Click to Enlarge) Overview Glass Hot Filament Triode Ion Gauge Tube, Tungsten Coated Filament, 0.709" Diameter Schott Glass Port. Hot Filament Triode Tube X-ray limit: 1 x 10E(-7) Torr Order Part $150.00 USD per Unit Quantity View Cart