CVM-211 “Stinger” Vacuum Gauge ModuleInstruTech Stinger Model CVM211GAL with KF-40 fittingTorr/mTorr Measurement Unit & DisplayCVM-211 Stinger Convection Vacuum Gauge Module –3 digit Torr/mTorr display, Log Linear analog output, one process setpoint relay.Power Supply: PS401-A