Overview
The Bently Nevada 3500/42M module with part numbers 176449‑02 and 140471‑01 is part of the 3500 Machinery Protection System, combining proximity probe and acceleration/velocity transducer inputs to deliver comprehensive vibration, position, and motion monitoring for critical machinery protection.
General Information
Part Number: 176449‑02 + 140471‑01
Brand / Country of Origin: Bently Nevada / USA
Manufacturer: Bently Nevada (Baker Hughes)
Series: 3500 Series
Type: Proximitor / Seismic Monitor Module
Mounting: Rack-mounted within standard 3500 system
Power Specifications
Supply Voltage: ~18–32 V DC typical
Power Consumption: Low-power design appropriate for continuous operation
Protection: On-board isolation and signal filtering to preserve measurement accuracy
Communication & Interface
Interface Type: 3500 rack backplane
Inputs Supported: Proximity probe inputs and seismic (velocity/acceleration) transducers
Outputs: Buffered analog transducer channels plus 4–20 mA analog feedback
Diagnostics: LED indicators for module health, bypass mode, and communication status
Environmental
Operating Temperature: –30 °C to +65 °C
Humidity: 5% to 95% RH, non‑condensing
Installation Conditions: Suitable for standard machinery protection cabinets
Durability: Built for vibration, EMI, and harsh industrial operating conditions
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 241.8 mm
Weight: ~0.91 kg



