
Nude, Bayard Alpert Gauge, Twin Iridium Filaments
Our GB25IR is a Bayard Alpert style nude ionization gauge is mounted on a 2 3/4" flange and has a double helix tungsten grid, a tungsten collector, and a twin coated iridium filament assembly. We can supply replacement filaments GF12A for the gauge or we can rebuild the gauge for you. See our Nude Ionization Gauge Cross Reference Guide.