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2400 Philmont Ave. PO Box 662 Huntingdon Valley, PA 19006 U.S.A. Phone: (215) 938-4400 Fax: (215) 947-7464 Email: techin@etigauges.com

Ionization Gauge Type 8136 The ETI 8136 is a broad range Bayard-Alpert gauge. The special fabricated gauge elements and burn-out resistant, thoria-coated iridium filament enable this gauge to operate up to 1 x 10-1 Torr. This gauge is likewise available in a long-life version that is position independent. 8136 Physical Data Tubulation 3/4", 1" Pyrex or Nonex Glass or 3/4", 1" Kovar, flanges are available Envelope Nonex, platinum-coated interior Mounting Position Vertical* Collector .005" Tungsten Filament Thoria- Coated Iridium High Stability Geometry Available Grid Tungsten helix configuration *See Special Gauges Operating Data Sensitivity for N2 8/Torr X-ray limit 4 x 10-10 Torr Operating Pressure 1 x 10-10 to 1 x 10-1 Torr Electron Bombardment De-gas 70 Watts Resistance Heated De-gas 6.3 to 7.5 volts @ 10 amps Bake-out Temperature 250° C Recommended Electrical Operating Parameters Collector Potential 0 volts Shield Potential 0 volts Grid Potential 150 to 180 volts Filament Current 4 to 6 amps Filament Voltage 3 to 5 volts Filament Potential to Ground 30 volts 8136 Pin Configuration Pin #1 Grid (G) Pin #2 Filament (F) Pin #3 Filament (F) Pin #4 Grid (G) Pin #5 Shield (Platinum Coating) (S) About the Company | ETI Gauges: Principles of Operation | Ionization Gauges | Special ETI Gauges | OEM and Custom Designs Configurations of Standard Gauges | Earlier Model Gauges | Replacement Filament Assemblies | ETI Custom Filaments | ETI Stems | | Contact ETI | Return Home | ©1999 ETI