Granville-Phillips Convectron (convection-enhanced Pirani) vacuum gauge package, including a  Convectron gauge tube.Series 375 Convectron gauge controller :

• 1/8 DIN, all-metal package
• digital display
• measurement range fromatmosphere down to10-4torr
• analog output
• two (2) setpoint control relays
• This unit isnotequipped with a serial interface.
• Includes mating connector for setpoint control relays.
• Includes mating connector for analog output.
• Includes CE-compliant universal power supply.
• Includes AC mains cable for power supply (North American 115 VAC).

Series 275 Convectron gauge tube :

• 1/8" NPT connection

cable to connect the gauge tube to the controller (USED condition):

• 10 feet in length