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Product Listing

UHV Series Gauge Filaments

Features
  • High Temperature
  • UHV compatible
  • Replaceable filament assemblies for above ionization gauge tubes


Vacuum Specifications
 Vacuum Range 10-3 to 2x10-10 Torr
 Maximum Operating Pressure  1x10-3 Torr
 Sensitivity ±20%  25 Torr
 X-ray Limit  2x10-10 Torr
Construction Specifications
 Flange  304ss
 Grid Tungsten
 Filament Dual: Tungsten or Iridium
 Collector Tungsten
 Shield Coating  Platinum
 Base Leads  Soft Nickel, 0.060" dia.
 Collector Lead  Soft Nickel, 0.040" dia.
Operating Specifications
 Collector 0 Volts DC
 Grid  +180 Volts DC
 Filament +30 Volts DC
 Filament Voltage 3 - 4.5 Volts
 Filament Current  2 - 4 Amps
 Degas by I2R 30-40 Watts
 Emission  4 mA
 Max. Bakeout Temperature 450ºC
For conversion tables click here

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