The StrataVac multiple gauge, expandable vacuum controller is the core of this bundled system for short path distillation systems. The bundle includes the StrataVac usb and wifi capable control with an Agilent 536 expansion card, Agilent 536 KF25 sensor, KF25 bellows valve and valve expansion card. The large KF25 orifice facilitates high volume throughput and thereby extends the life of your vacuum pump. 10 millitor to 6 Torr control, 1 millitor to 760 Torr measurement range. 100-240vac 50/60Hz,CE rated.