Rupprecht & Patashnick Vacuum Pump
The CH 423 lab has two Rupprecht & Patashnick Co., Inc Model: 2688CE44-010 B 60Hz 4.5A E46046 Recognized Motor Projector Combination pumps available. The Model 266CE44 vacuum pumps were originally use for Tapered element oscillating microbalance (TEOM) instruments which have a cyclone on the inlet.