274 Nude Bayard-Alpert Type Ionization Vacuum Gauge
(<3x10-11 Torr to 1x10-3)
Bayard-Alpert style hot-cathode ionization vacuum gauges

photo - MKS, Granville-Phillips 274 Nude Bayard-Alpert Type Ionization Vacuum Gauges

MKS, Granville-Phillips® industry standard 274 Nude Bayard-Alpert Type Hot Cathode Ionization Vacuum Gauges provide good vacuum/pressure measurement at an economical cost.

274 Nude Bayard-Alpert Type Hot Cathode Ionization Vacuum Gauges are available in two types: a single thoria-coated iridium filament gauge and a dual filament UHV gauge.

Features & Benefits:

  • Bifilar grid
  • Burn-out resistant filament
  • Degas - resistance heating or electron bombardment

Dual Filament Features & Benefits:

  • Cage grid
  • Burn-out resistant cathode or dual tungsten filaments
  • Electron bombardment degas only

Configurations:

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Part NumberFittingUHVFilamentPriceQTY
274053NW40KF with pin guard/locking strain reliefNoSingle thoria-coated iridium filamentQuote Only
2740282.75 inch (NW35CF) non-rotateableNoSingle thoria-coated iridium filamentQuote Only
2740432.75 inch (NW35CF) non-rotateable, pin guardNoSingle thoria-coated iridium filamentQuote Only
274029Replacement for Single iridium filamentQuote Only
274058NW40KF with pin guard/locking strain reliefYesDual thoria-coated iridium filamentsQuote Only
2740232.75 inch (NW35CF) non-rotateableYesDual thoria-coated iridium filamentsQuote Only
2740422.75 inch (NW35CF) non-rotateable, pin guardYesDual thoria-coated iridium filamentsQuote Only
274025Replacement for Dual iridium filamentsQuote Only
274050NW40KFYesDual Tungsten filamentsQuote Only
274057NW40KF with pin guard/locking strain reliefYesDual Tungsten filamentsQuote Only
2740222.75 inch (NW35CF) non-rotateableYesDual Tungsten filamentsQuote Only
2740412.75 inch (NW35CF) non-rotateable, pin guardYesDual Tungsten filamentsQuote Only
274024Replacement for Dual Tungsten filamentsQuote Only

Need help?

Contact an Applications Specialist by sending an email to MKS Instruments, or call 303-652-4400.