571 Bayard-Alpert Gauge Tube
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Bayard-Alpert hot-cathode ionization gauge tubes employ a heated filament for the source of electrons. The Agilent 571 Bayard-Alpert Type Standard-Range Ionization Gauge Tube offers high performance over a pressure range of 2 x 10-10 to 1 x 10-3 torr. The 571 gauge withstands long periods of degassing or accidental exposure to atmospheric pressure while at operating temperature and will still recover its original characteristics. A reference gauge is also available, sealed off at ≤ 5 x 10-6 torr for use in testing a gauge controller.
Description Part Number Fitting Shipping Weight kg (lbs) 571 Ionization tube with thoria-coated iridium filament K2471301 1 in. Glass tubulation 0.5 (1.0) K2471302 1 in. Kovar tubulation 0.5 (1.0) K2471304 ¾ in. Glass tubulation 0.5 (1.0) K2471305 ¾ in. Kovar tubulation 0.5 (1.0) K2471306 NW25 KF 0.5 (1.0) K2471311 NW40 KF 1.0 (2.0) K2471303 2.75 in. CFF 1.0 (2.0) 571 reference ionization tube with thoria-coated K2471307 – 0.5 (1.0) iridium filament (sealed off at ≤5 x 10-6 Torr)
Description Part Number Fitting Shipping Weight kg (lbs) 571 Ionization tube with thoria-coated iridium filament K2471301 1 in. Glass tubulation 0.5 (1.0) K2471302 1 in. Kovar tubulation 0.5 (1.0) K2471304 ¾ in. Glass tubulation 0.5 (1.0) K2471305 ¾ in. Kovar tubulation 0.5 (1.0) K2471306 NW25 KF 0.5 (1.0) K2471311 NW40 KF 1.0 (2.0) K2471303 2.75 in. CFF 1.0 (2.0) 571 reference ionization tube with thoria-coated K2471307 – 0.5 (1.0) iridium filament (sealed off at ≤5 x 10-6 Torr)
