Bently Nevada|3500/40 149716-01|Triple Modular Redundant

Bently Nevada 3500/40M Proximitor Monitor (P/N 149716-01) - Technical Summary

Description
A 4-channel TMR (Triple Modular Redundant) vibration monitoring module with external termination capability for critical machinery protection.

Key Features

• Triple-redundant signal processing (TMR architecture)
• External termination configuration
• Compatible with 3500 rack monitoring systems

Technical Specifications

Electrical Characteristics

• Input Impedance: 50kΩ effective (3 parallel TMR channels)
• Transducer Power: -24V DC ±10%
• Power Consumption: 7W typical

Measurement Capabilities

• Radial Vibration

  • Sensitivity: 3.94 or 7.87 mV/µm
  • Frequency Range: 4Hz–4kHz (Direct), 0.09Hz (Gap)

• Thrust Position

  • Sensitivity: 3.94 or 7.87 mV/µm
  • Frequency Response: 1.2Hz (Direct)

• REBAM®

  • Spike Filter Range: 0.152–8,678Hz
  • Element BPFO Range: 0.139–3,836Hz

Performance

• Accuracy: ±0.33% typical, ±1% maximum for most measurements
• Alarm Accuracy: ±0.13% of setpoint
• Phase Accuracy: ±3° maximum

Environmental Ratings

• Operating Temperature: -30°C to +65°C
• Hazardous Area Certification
  • ATEX II 3/(3) G Ex nC[nL Gc] IIC T4 Gc
  • CSA Class I, Div 2

Physical Dimensions

• Module: 241.3 × 24.4 × 241.8 mm (9.5 × 0.96 × 9.52 in)
• Weight:
  • 0.91 kg (2.0 lb) monitor
  • 0.46 kg (1.01 lb) I/O module

Compliance

• EMC: EN 61000-6-2, EN 55011
• Safety: EN 61010-1