Overview
The Bently Nevada 3500/42M 176449‑02 + 135489‑01 monitor is a part of the 3500 Machinery Protection System. It offers precise vibration and position monitoring using proximity probes and seismic transducers to protect high-speed rotating machinery from faults through accurate displacement and velocity measurements.
General Information
Part Number: 176449‑02 + 135489‑01
Brand / Country of Origin: Bently Nevada / USA
Manufacturer: Bently Nevada (Baker Hughes)
Series: 3500 Series
Type: Proximitor / Seismic Monitor Module
Mounting: Rack installation in 3500 high-density I/O system
Power Specifications
Supply Voltage: Approximately 18–32 V DC (nominal)
Power Consumption: Moderate design optimized for continuous monitoring
Protection: Internal signal filtering and channel isolation ensure stable operation
Communication & Interface
Interface Type: 3500 backplane hardware interface
Supported Inputs: Proximity probe channels plus seismic velocity/acceleration sensors
Outputs: Buffered analog transducer outputs and 4–20 mA analog feedback
Diagnostics: LED status indicators for module health, bypass, and communication
Environmental
Operating Temperature: –30 °C to +65 °C
Humidity: 5% to 95% RH, non-condensing
Enclosure Recommendation: Industrial rack or cabinet with vibration damping
Design Lifetime: Built for harsh manufacturing and turbine environments
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 241.8 mm
Weight: ~0.91 kg
