Get current pricing for Apd Cryogenics, HC-2D Apd Cryogenics Hc-2d Helium Compressor Module 208-230/200 Volts, 1 Phase, 60/50 Hz Charge To 240-245 Psig Equalized At 68f (20c) Use Helium Gas . Product Category: Lab Equipment, Sub Category: Computers: