Bently Nevada|3500/40 143488-01| Proximitor Monitor

Description
The Bently Nevada 3500/40M Proximitor Monitor (P/N 143488-01) is a 4-channel vibration and position monitoring module for industrial machinery protection.

Features

• Supports Radial Vibration, Thrust Position, Differential Expansion, Eccentricity, and REBAM® monitoring
• Programmable alarms with configurable setpoints and delays
• LED indicators for module status (OK, TX/RX, Bypass)
• Buffered transducer outputs (-24Vdc, 550Ω impedance)

Technical Specifications

Inputs & Signal Conditioning

• Inputs

  • 1–4 proximity probes
  • 10kΩ impedance (50kΩ for TMR)

• Sensitivity

  • Radial/Thrust/Eccentricity: 3.94 mV/µm (100 mV/mil) or 7.87 mV/µm (200 mV/mil)
  • Differential Expansion: 0.394 mV/µm (10 mV/mil) or 0.787 mV/µm (20 mV/mil)
  • REBAM: 40 mV/µm (1000 mV/mil) or 80 mV/µm (2000 mV/mil)

• Frequency Response

  • Radial Vibration: 4 Hz–4 kHz (Direct), 0.09 Hz (Gap)
  • Thrust/Expansion: 1.2 Hz (Direct), 0.41 Hz (Gap)
  • REBAM Spike: 0.152–8,678 Hz (programmable)

Alarms & Accuracy

• Alarm Setpoints: 0–100% of full scale
• Alarm Accuracy: ±0.13% of desired value
• Alarm Delays
  • Alert: 1–60 sec
  • Danger: 0.1–60 sec
• Measurement Accuracy: ±0.33% typical, ±1% maximum

Environmental & Physical

• Operating Temperature: -30°C to +65°C
• Storage Temperature: -40°C to +85°C
• Humidity: 95%, non-condensing
• Dimensions: 241.3 × 24.4 × 241.8 mm (Monitor Module)
• Weight: 0.91 kg (Monitor), 0.46 kg (Barrier I/O Module)

Certifications

• EMC: EN 61000-6-2, EN 55011
• Safety: EN 61010-1
• Hazardous Area: ATEX, CSA, Ex nC compliant