Get current pricing for Bchi, 165/S Buchi Vacuum Controller B-165/s. Analog Display. 2 Measuring Sectors: 0-200/0-1000 Mbar. 220 V. 50 Hz. 2-16 W. With 2 Solenoid Valves. Water Jet Pump. . Product Category: Lab Equipment, Sub Category: Evaporators / Concentrators: