bently nevada 3500/01 Configuration software [caption id="attachment_8728" align="aligncenter" width="600"] 3500/22M[/caption] Bently Nevada Bentley 3500 Series Monitor Product Overview: The bently3500 system monitors the vibration of large rotating machinery: steam turbines, water turbines, fans, compressors, turbo expanders, electric motors and generators, exciters, gearboxes, water pumps, and more. Bentley monitor type selection: 3500/40M vortex, 3500/42M vortex/watt vibration,