Hot Cathode Sensor, Nude Tube, 10-2 - 10-10 Torr, Iridium, 2.75 in. CF

Technical Specs

  • Type
    Nude Tube Hot Cathode Sensor
  • Installation Orientation
    Any
  • Measurement Range
    1.0 x 10-10 - 1.0 x 10-2 Torr, 1.3 x 10-10 - 1.3 x 10-2 mbar, 1.3 x 10-8 - 1.3 Pascal
  • Set Point Range
    5.0 x 10-10 - 9.5 x 10-3 Torr, 6.5 x 10-10 - 1.2 x 10-2 mbar, 6.5 x 10-8 - 1.2 Pascal
  • Calibration Gas
    Air/Nitrogen
  • Filament
    Yttria-coated Iridium
  • Fitting Type
    2.75 in. CF
  • Connector
    Custom D-sub to controller
  • Bake Out Temperature
    300°C, 60°C with cable attached
  • Voltages
    Filament bias: +30 V, Grid: +180 V, Filament: +4.7 V at 1.8 A
  • Exposed Materials
    Nickel, Inconel x-750, 304 stainless steel, glass, tungsten, platinum
  • X-ray Limit
    3 x 10-10 Torr
  • Sensitivity
    9 Torr -1 (±20%)
  • Emission Current
    1 mA at <1 x 10-4 Torr, 100 mA at >1 x 10-4 Torr, regulated to ±3%
  • Degas Power
    20 Watts

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