274 Glass Bayard-Alpert Type Ionization Vacuum Gauge
(<1x10-9 Torr to 1x10-3)
Bayard-Alpert style hot-cathode ionization vacuum gauges

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

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

274 Glass Bayard-Alpert Type Hot Cathode Ionization Vacuum Gauges have a bifilar grid and either a burn-out resistant filament or dual tungsten filaments.

Features & Benefits:

  • Tubulation - 3/4 inch or 1 inch diameters in Kovar, Pyrex or flanged
  • Degas - resistance heating or electron bombardment
  • Electrical connections - mates with standard electrical connector

Configurations:

Purchase now or request a quote:
Enter a quantity and click "add to cart"

Part NumberFittingFilamentPriceQTY
2740023/4 inch Pyrex Glass portSingle thoria-coated iridium filamentQuote Only
2740033/4 inch Kovar metal portSingle thoria-coated iridium filamentQuote Only
2740051 inch Pyrex Glass portSingle thoria-coated iridium filamentQuote Only
2740061 inch Kovar metal portSingle thoria-coated iridium filamentQuote Only
27403615 mm Pyrex Glass portSingle thoria-coated iridium filamentQuote Only
274032NW25KF with 1 inch portSingle thoria-coated iridium filamentQuote Only
2740201.33 inch (NW16CF) non-rotateable, 3/4 inch portSingle thoria-coated iridium filamentQuote Only
2740072.75 inch (NW35CF) non-rotateable, 3/4 inch portSingle thoria-coated iridium filamentQuote Only
2740082.75 inch (NW35CF) non-rotateable, 1 inch portSingle thoria-coated iridium filamentQuote Only
2740123/4 inch Pyrex Glass portDual Tungsten FilamentsQuote Only
2740133/4 inch Kovar metal portDual Tungsten FilamentsQuote Only
2740151 inch Pyrex Glass portDual Tungsten FilamentsQuote Only
2740161 inch Kovar metal portDual Tungsten FilamentsQuote Only
27403715 mm Pyrex Glass portDual Tungsten FilamentsQuote Only
2740211.33 inch (NW16CF) non-rotateable, 3/4 inch portDual Tungsten FilamentsQuote Only
2740172.75 inch (NW35CF) non-rotateable, 3/4 inch portDual Tungsten FilamentsQuote Only
2740182.75 inch (NW35CF) non-rotateable, 1 inch portDual Tungsten FilamentsQuote Only

Need help?

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