274 Glass Vacuum Gauge – MKS
274 Glass Bayard-Alpert Type Ionization Vacuum Gauge
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.