177989-01 | Bently Nevada | Prox Accel Velom ModuleDescription The Bently Nevada 177989 01 Prox Accel Velom Module is a high performance input module designed to accept signals from proximity probes, accelerometers, and Velomitor velocity sensors. Its optimized for aeroderivative gas turbines and other high speed rotating machinery. Specifications Model: 177989 01 Sensor Inputs: Proximity probes, accelerometers, Velomitor velocity sensors Channels: Four channel input module Input Impedance: Prox