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VACUUM SENSORS » Bayard-Alpert - Nude Ionization Gauge ETI 8130
Bayard Alpert ETI 8130
Physical Data
Connection: 2-3/4" Conflat or KF 40 flange
Envelope: None
Mounting Position: Vertical
Collector: .005" Tungsten
Filament: Replaceable Thoria-Coated Iridium or Dual Tungsten (8130)
Grid: Tantalum and Pt/Moly support squirrel cage
Operating Data
Sensitivity for N2: 25/Torr
X-ray Limit:

2 x 10-11 Torr

Operating Pressure:

2 x 10-11 to 1 x 10-3 Torr

Electron Bombardment Degas: 40 Watts @ 500 volts
Resistance Heated Degas: n/a
Bake-out Temperature: 450°C

The ETI Nude Ionization Gauge is a high-sensitivity gauge covering the vacuum range of 1 x 10-3 to 2 x 10-11 Torr (Argon). This tube features replaceable filaments, dual Tungsten or single iridium, and a small diameter-cage tantalum grid on platinum-clad, molybdenum support rods. A .005"-diameter collector is used. This results in a low X-ray limit, sensitive tube, capable of being baked out to 450° C for those applications requiring high-temperature processing.

TELEVAC • 2400 Philmont Avenue • Huntingdon Valley, PA 19006 • Phone: (215) 947-2500 • Email: sales@televac.com

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