Bently Nevada 3500/44M 140471-01 Prox/Velom I/O Module with Internal Terminations140471 01 Proximitor Seismic Monitor I O Module by Bently Nevada The 140471 01 is a Proximitor Seismic Monitor I O Module, designed and manufactured by Bently Nevada as part of the 3500 Series. This module is used for monitoring and managing seismic activity. It serves as an interface between seismic sensors and a central monitoring or control system, collecting input from seismic sensors, processing the data, and providing output to the monitoring