Bently Nevada 177989-01 Prox Accel Velom (PAV) Input Module

Overview

The Bently Nevada 177989-01 is a Prox Accel Velom (PAV) Module for the 3701/44 ADAPT Machinery Dynamics Monitor. It supports proximity probes, accelerometers, and Velomitors to enable versatile condition monitoring. Engineers apply it in turbines, compressors, and gearboxes. Its advanced algorithms provide precise vibration analysis and reliable fault detection.

Technical Specifications

• Model Number: 177989-01
• Module Type: Prox Accel Velom (PAV) Input Module
• System Compatibility: ADAPT 3701/44 Machinery Dynamics Monitor
• Supported Sensors: Proximity probes, accelerometers, Velomitors
• Signal Processing: Advanced vibration analysis and fault detection algorithms
• Channel Configuration: Multiple dynamic input channels
• Frequency Range: DC to 30 kHz
• Applications: Gearbox monitoring, bearing diagnostics, imbalance detection
• Mounting: Rack-mounted within ADAPT system chassis
• Sensor Power Supply: 23 VDC nominal, max 43 mA
• Input Impedance: Prox/Accel: 10 kΩ; Velomitor: 3.5 MΩ
• Frequency Range Details:
  • Non-integrated velocity: 4 Hz to 5500 Hz (–3 dB)
  • Integrated velocity: 18 Hz to 5500 Hz (–3 dB)
  • Non-integrated acceleration: 4 Hz to 30,000 Hz (–3 dB)
  • Integrated acceleration: 18 Hz to 14,500 Hz (–3 dB)
• Buffered Outputs: Coaxial connector per channel for diagnostics
• Output Impedance: 550 Ω
• Dimensions (H × W × D): 241.3 mm × 24.4 mm × 241.8 mm
• Weight: 0.91 kg
• Power Consumption: 7.7 W