3500/40M-01-00 Bently Nevada Proximitor Monitor for Shaft Vibration

Product Overview

The 3500/40M Proximitor Monitor tracks shaft position and vibration.
It protects critical machines.
It works inside the 3500 monitoring rack.

• Manufacturer: Bently Nevada
• Model: 3500/40M-01-00
• Product type: Proximitor Monitor
• Country of origin: USA

Model Structure and Options

• 3500/40M-AA-BB
  • 3500
    • Machinery protection platform
  • 40M
    • Proximitor monitoring function
  • 01
    • Internal termination I O module
  • 00
    • No hazardous approvals

Signal Capacity

• Channels supported: 1 to 4 probes
• Signal type: Proximity transducers
• Input impedance: 10 kΩ
• Transducer power: -24 Vdc
• Power draw: 7.7 W typical

Measurement Sensitivity

• Radial vibration: 100 or 200 mV per mil
• Thrust measurement: Same sensitivity options
• Eccentricity tracking supported
• Differential expansion: 10 or 20 mV per mil
• REBAM range: Up to 2000 mV per mil

Frequency Performance

• Direct filter: 1 Hz to 4000 Hz selectable
• Gap filter: -3 dB at 0.09 Hz
• Not 1X filter: 60 cpm to 15.8X speed
• 1X and 2X vector filters available

Accuracy and Stability

• Typical accuracy: ±0.33 percent full scale
• Maximum error: ±1 percent
• Smax accuracy: ±5 percent
• Stable readings over wide speed ranges

Front Panel and Outputs

• OK LED for module health
• TX RX LED for rack communication
• Bypass LED for maintenance mode
• Buffered outputs per channel
• Output impedance: 550 Ω

Mechanical Design

• Main module size: 241.3 x 24.4 x 241.8 mm
• Main module weight: 0.91 kg
• I O module rear slot required
• Fits standard 19 inch racks

Installation Notes

• Front slot installation
• Rear slot for I O wiring
• Short circuit protected outputs
• Simple probe connection

Key Advantages

• High precision shaft monitoring
• Flexible filter selection
• Fast fault detection
• Long service life
• Easy system integration

Typical Applications

• Steam turbines
• Gas compressors
• Large pumps
• Electric motors

Warranty and Shipping

• Warranty period: 12 months
• Shipping methods: FedEx, UPS, DHL
• Industrial export packaging

Professional FAQ

• When should this monitor be selected
  Choose it for precise shaft vibration tracking.
• Is it suitable for retrofit projects
  Yes. It fits existing 3500 racks.
• How many probes can one module handle
  Up to four proximity probes.
• Does it help reduce false alarms
  Yes. Advanced filters improve signal clarity.
• What should buyers confirm first
  Confirm probe type and rack slot space.

Contact Information

• Email: info@oiltechcontrols.com
• WhatsApp: +86 158 8020 0923

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Partner: Powergear X Automation Limited

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