CryoTorr 7 vacuum chamber. Good for electrical tests over a range of temperatures, down to ~20K. Wired with 4 BNC feedthroughs for signal, 9 pin d-shell feedthrough for heater and two temperature sensors. One Pt RTD included. Vent valve is MDC 996035. 10 inch quick access door. 531 thermocouple vacuum gauge. No stage or heater, no helium compressor.Small dent in side, but doesn't effect operation.Depended on it for several years in my lab, but not used in the last few years.