Bentley Nevada 3500/42M Proximitor® Seismic Monitoring Module

The Bentley Nevada 3500/42M is a four‑channel proximitor/seismic monitoring module engineered for critical rotating machinery. It conditions proximity, velocity, and acceleration signals to provide vibration, position, and seismic measurements, with programmable alarm setpoints for machinery protection. [quicktimeonline.com],
Technical Specifications
Model: 3500/42M
Type: 4‑channel proximitor/seismic monitor module
Inputs: Accepts 1–4 proximity, velocity, or acceleration transducer signals
Input Impedance: 10 kΩ (proximitor and acceleration inputs)
Power Consumption: Approx. 7.7 W typical
Supported Measurements: Radial vibration, thrust position, differential expansion, eccentricity, REBAM, acceleration, velocity, shaft absolute, circular acceptance region
Channel Configuration: Channels programmed in pairs; each pair can perform up to two measurement functions simultaneously
Sensitivity Options: 3.94 mV/µm or 7.87 mV/µm (varies by function); additional ranges for acceleration and velocity
Alarm Configuration: Programmable ALERT and DANGER setpoints per channel pair; alarm delay adjustable
Front‑Panel Indicators: OK, TX/RX, BYPASS LEDs for system status and communication
Buffered Outputs: Front coaxial buffered transducer outputs for diagnostics
Operating Temperature: –30 °C to +65 °C
Storage Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Dimensions: Approx. 241 mm × 24.4 mm × 241 mm
Weight: ~0.91 kg (2.0 lb)
Installation: Full‑height slot for 3500 rack system
Country of Origin: USA Please review pictures carefully and let us know if you have any questions!