Overview
This Bently Nevada 3500/42M module (140734‑02 paired with 135489‑02) is used for combined proximity and seismic (velocity/acceleration) monitoring. It protects rotating machinery by detecting vibration, displacement, and structural motion to prevent failure and maintain reliability.
General Information
Part Number: 140734‑02 + 135489‑02
Brand / Country of Origin: Bently Nevada / USA
Manufacturer: Bently Nevada (Baker Hughes)
Series: 3500 Series
Type: Proximitor + Seismic Monitor Module
Mounting: 3500 rack slot
Power Specifications
Supply Voltage: ~18–32 V DC typical
Power Consumption: Moderate, optimized for continuous monitoring
Protection: Internal signal isolation and filtering to maintain measurement fidelity
Communication & Interface
Interface Type: 3500 system backplane
Supported Inputs: Proximity probes and seismic transducers
Outputs: Buffered transducer outputs per channel, with 4–20 mA feedback
Diagnostics: Status LEDs for module health, bypass mode, and communication
Environmental
Operating Temperature: –30 °C to +65 °C
Humidity: 5% to 95% RH, non‑condensing
Installation Environment: Industrial rack or control cabinet
Durability: Designed for vibration, EMI, and harsh rotational equipment environments
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 241.8 mm
Weight: ~0.91 kg
