Pfeiffer
| Recommended controllers | TPS-200 • DCU-200 | 
| Recommended backing pumps | MVP 035-2 • DUO 2.5 | 
| Applications | electron optics/microscopy • leak detection • mass spectrometry • surface analysis • plasma monitoring • residual gas analysis • spectroscopy • defect analysis • sputtering • nuclear research • space applications • particle accelerators | 
