Cooke Vacuum Products Ion (Ionization) Guage 8136, Tested & Working

Duniway Stockroom Ion (Ionization) Guage T-100-N, Tested & Working

Duniway Stockroom Ion (Ionization) Guage I-100-K, Tested & Working

MKS HPS 421 Cold Cathode Ionization High Vacuum Gauge Micro-Controller

VARIAN 843 Vacuum Ionization Gauge

Perkin Elmer 8136k /1 ION Vacuum Gauge

Varian Ion (Ionization) Guage 0564-M2500-301, Tested & Working

MKS HIGH VACUUM PRODUCTS GLASS IONIZATION GAUGE (WVK3)